{"id":1077,"date":"2026-10-07T04:59:28","date_gmt":"2026-10-07T04:59:28","guid":{"rendered":"https:\/\/oecler.com\/?page_id=1077"},"modified":"2026-10-21T02:21:21","modified_gmt":"2026-10-21T02:21:21","slug":"faqs","status":"publish","type":"page","link":"https:\/\/oecler.com\/zh\/faqs\/","title":{"rendered":"\u5e38\u89c1\u95ee\u9898"},"content":{"rendered":"\t\t
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Custom Jewelry & Lab-Grown Diamond FAQs<\/h1>\n\t\t\t\t\t

Official site: https:\/\/oecler.com \u00b7 Oecler (lab-grown only). Everything you want to know about Oecler in one place: custom jewelry, lab-grown diamonds and gemstones, Memorial Diamonds, sizing, shipping, returns and care. Still curious? Message us on WhatsApp and we reply personally.<\/p>\n\t\t\n<\/div>\n

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Custom Jewelry<\/h2>\n\t\t\n<\/span>\n
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How does the custom process work at Oecler?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler turns your idea into a one-of-a-kind piece in solid gold or platinum, set with lab-grown diamonds or gemstones. Share a sketch, reference photos or just a feeling, and we guide you through choosing the stone and cut, refine the design with you, and confirm every detail before production begins.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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How long does a custom piece take?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler custom pieces take 3\u20135 weeks to make after design approval, plus 7\u201310 days of free, duties-paid shipping to the US, UK and Australia. Complex designs may take longer, and we confirm your timeline before you begin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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Can I bring my own idea or a reference design?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, Oecler makes custom pieces from your sketch, inspiration photos, a vintage piece you love, or a simple description. We help turn it into a design that can be made.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Can you replicate a style I've seen elsewhere?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler creates pieces inspired by a style you love, not exact copies. We design with respect for original work and adapt the details so the piece is your own.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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Can I request changes after approving the design?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Small adjustments to a Oecler custom design are possible before production begins. Once production starts, changes may not be possible, so please review the design carefully.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Can I change the design of a finished piece?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, Oecler offers paid redesigns of finished custom pieces. Tell us what you would like to change and we will quote the cost and timeline before any work begins.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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What metals do you work with?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler crafts every piece in new solid gold, 14K or 18K, in yellow or white gold, or in platinum. Yellow gold is our signature, and we advise on the best metal for your design and stone.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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What stones can I choose from?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler specializes in fancy-cut lab-grown diamonds and lab-grown colored gemstones. Shapes such as kite, pear, marquise, emerald, oval and letter-shaped cuts \u2014 and other custom fancy or irregular cuts \u2014 are for lab-grown diamonds only (cut to order). Colored gemstones use standard cuts. If you don’t see the diamond shape, size or color you want, tell us and we can cut it for you.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How much does a custom piece cost?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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The price of a Oecler piece depends on the metal and the stone you choose. You receive a clear quote before anything begins.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Is Oecler the same as Mayav\u00e9, MAVE Collection NYC or Maeve Jewellery?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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No. Official site: https:\/\/oecler.com \u00b7 Oecler (lab-grown only). We are an independent brand founded by Marie and are not affiliated with Mayav\u00e9 (mayave.com), MAVE Collection NYC (mavecollectionnyc.com) or Maeve Jewellery (maevejewellery.com).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n\n<\/details>\n

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Lab-Grown Diamonds & Loose Stones<\/h2>\n\t\t\n<\/span>\n
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What is a lab-grown diamond?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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A lab-grown diamond is a real diamond grown in a laboratory instead of mined, with the same chemical composition, crystal structure and hardness as a mined diamond. The only difference is where it comes from.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Is a lab-grown diamond a real diamond?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, a lab-grown diamond is a real diamond made of crystallized carbon, and it cannot be told apart from a mined diamond by eye. It is not a simulant like cubic zirconia or moissanite, which are different materials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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What is the difference between lab-grown and mined diamonds?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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The main difference between lab-grown and mined diamonds is origin: lab-grown diamonds grow in weeks, while mined diamonds formed over billions of years. Because they are grown, lab-grown diamonds let you choose a larger or rarer stone for the same budget.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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How are lab-grown diamonds made?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Lab-grown diamonds are made with one of two methods, HPHT (high pressure, high temperature) or CVD (chemical vapor deposition). Both start from a tiny diamond seed and build up carbon layer by layer into a rough crystal, which is then cut and polished.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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Do Oecler diamonds come with a certificate or grading report?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler pieces do not include a certificate by default, but on request Oecler arranges an IGI report for loose lab-grown diamonds (about 20 days, $50) or an NGTC report for finished jewelry (about 3 days, free). Loose lab-grown colored gemstones can get an AGL report on request (about 3 days, free). A few loose diamonds already come with IGI certificates, and this is stated on their product pages. Each report confirms the stone is lab-grown and details its grading.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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What is the difference between IGI, NGTC and AGL reports?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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On request, Oecler arranges IGI reports for loose lab-grown diamonds (about 20 days, $50), NGTC reports for finished jewelry (about 3 days, free) and AGL reports for loose lab-grown colored gemstones (about 3 days, free). IGI (International Gemological Institute) and NGTC (National Gemstone Testing Center of China) are independent labs that grade diamonds and confirm whether a stone is lab-grown. IGI is the report most widely recognized in the US, UK and Australia. AGL (American Gemological Laboratories) reports on colored gemstones.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How does Oecler choose and grade fancy-cut stones?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler selects every stone by hand, judging color, clarity, proportions and overall character. Fancy shapes such as kites, pears and marquises are judged differently from round diamonds, so we add careful visual inspection to the grading report.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Can I see photos or a video of the exact stone?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, every Oecler listing shows photos of the actual stone, and we send a video of any stone on request through WhatsApp or email.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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Are Oecler's colored stones natural or treated?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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All Oecler colored diamonds and gemstones are lab-grown, created in a laboratory rather than mined. The details for each stone are listed on its product page.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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What is the difference between lab-grown and natural colored gemstones?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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A lab-grown gemstone, such as a lab-grown ruby or emerald, has the same chemistry and crystal structure as its natural counterpart but is grown in a laboratory. It typically offers richer color and fewer inclusions for the same budget, and every colored stone Oecler sells is lab-grown.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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What shapes and sizes do you offer?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler specializes in distinctive fancy cuts of lab-grown diamonds, including kite, pear, marquise, emerald, oval and letter-shaped stones. Sizes and colors vary by availability, and we can custom-cut a lab-grown diamond for anything you don’t see listed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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What if I can't find the shape, size or color I want?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler can custom-cut a lab-grown diamond into the shape you want, sourced directly in Henan, China. Share your preferred shape, size, color and budget, and we’ll confirm the design and timeline before cutting begins.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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Can Oecler set the stone for me?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, any loose stone you buy from Oecler can be set into a ring, pendant, earrings or a custom piece in solid gold or platinum.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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How durable is a lab-grown diamond for everyday wear?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Lab-grown diamonds score 10 on the Mohs hardness scale, the same as mined diamonds, which makes them suitable for daily wear. Colored gemstones vary in hardness, so we advise on the best setting for each stone.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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Do lab-grown diamonds hold their value?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Lab-grown diamonds are valued for their beauty and meaning rather than as an investment, and their resale value is generally low. We recommend buying a stone because you love it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n\n<\/details>\n

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Sizing & Resizing<\/h2>\n\t\t\n<\/span>\n
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How do I find my ring size?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler makes rings in US, UK and Australian sizes: US sizes are numbers (for example 6), while UK and Australian sizes are letters (for example L\u00bd). Tell us your size in any system, or see our ring size guide<\/a>, and we confirm it before production.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Can Oecler resize my ring?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, Oecler resizes rings for a low fee of $20, and the customer covers shipping both ways.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n

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Memorial Diamonds<\/h2>\n\t\t\n<\/span>\n
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What is a Memorial Diamond at Oecler?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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A Oecler Memorial Diamond is a real lab-grown diamond created from a meaningful personal sample, such as hair or ashes, so you can keep a loved one or a beloved pet close in a form you can wear.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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What can be used to create a Memorial Diamond?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler creates Memorial Diamonds from human hair, pet hair or ashes (cremated remains).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How is hair or ashes turned into a diamond?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Hair and ashes contain carbon, the element diamonds are made of. In the laboratory, the carbon is extracted from your sample, purified and used to grow a diamond crystal, which is then cut, polished and, if you wish, set into jewelry designed by Oecler.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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How much of my sample do you need?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler typically needs at least 25 grams of hair or 20 grams of ashes to create a Memorial Diamond. We confirm the exact amount for your sample type when you contact us.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How long does a Memorial Diamond take?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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A Oecler Memorial Diamond generally takes 6\u201312 months from the time we receive your sample, and we keep you updated at each stage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Will the diamond really be made from my sample?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, Oecler processes each Memorial Diamond order individually, and your sample is kept separate and labeled throughout. Contact us for full details of how we handle your sample.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How much does a Memorial Diamond cost?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler Memorial Diamonds typically start from $10,000, depending on the sample type, diamond size and jewelry design. You receive a clear quote before anything begins.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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How do I get started with a Memorial Diamond?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Message Oecler on WhatsApp<\/a> or email info@oecler.com<\/a>. We answer your questions, explain every step and handle your sample with respect, with no obligation to begin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n\n<\/details>\n

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Orders & Shipping<\/h2>\n\t\t\n<\/span>\n
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Where is Oecler based, and where are your stones sourced?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler is based in Shanghai, China, and sources its lab-grown diamonds directly in Henan, China.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Where does Oecler ship?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler ships to the US, UK and Australia with free, duties-paid shipping. If you don’t see your country at checkout, message us and we’ll let you know whether we can arrange delivery.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How long will it take to receive my order?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Ready-to-ship Oecler pieces are dispatched within 3 business days and delivered within 5\u201310 business days. Loose stones in stock ship within 3 days, and stones not in stock are cut to order and ship in about 2 weeks, plus 7\u201310 days of free, duties-paid shipping to the US, UK and Australia. Custom pieces take 3\u20135 weeks to make plus 7\u201310 days of shipping, and Memorial Diamonds follow the timeline we confirm with you.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Is shipping free?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, every Oecler order ships free and fully insured to the US, UK and Australia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How can I track my order?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler emails you a tracking number as soon as your order ships, so you can follow it on the carrier’s website.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Do I have to pay customs duties or import taxes?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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No, Oecler ships DDP (delivered duty paid) to the US, UK and Australia, so duties and import taxes are included in the price at checkout.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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What payment methods does Oecler accept?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Oecler accepts credit and debit cards, bank transfer, Wise and USDT cryptocurrency. For larger orders we can arrange the method that works best for you, and all payment details are confirmed with you before you pay.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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What currency are prices shown in?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Prices on oecler.com are shown in US dollars.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How can I contact Oecler?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Email Oecler at info@oecler.com<\/a> or message us on WhatsApp<\/a> at +86 159 0212 7864 for help with custom designs, stones or your order.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n

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Returns, Warranty & Care<\/h2>\n\t\t\n<\/span>\n
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What is Oecler's return policy?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Ready-to-ship Oecler jewelry can be returned within 7 days of shipment if they are complete, in original condition, and returned with their certificate and all original items. Loose stones are final sale and cannot be returned or exchanged. Custom pieces are made for you and cannot be returned or exchanged, but paid redesigns are available.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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Does Oecler offer a warranty or lifetime care?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Yes, every Oecler piece includes free lifetime care and refurbishment, such as cleaning, polishing and checking or tightening the stones. The customer covers shipping and insurance both ways.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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What should I do if a stone becomes loose or my piece is damaged?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Stop wearing the piece and contact Oecler right away; all Oecler jewelry comes with free lifetime refurbishment, with shipping and insurance paid by the customer.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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How do I care for my stone?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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To clean Oecler jewelry at home, soak it for 15\u201320 minutes in warm water with a few drops of mild dish soap, brush gently with a soft toothbrush behind the stones, rinse, and pat dry with a lint-free cloth. Avoid harsh chemicals and abrasive cleaners.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n

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How do I care for my colored gemstones?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Clean lab-grown colored gemstones with lukewarm water, mild soap and a soft brush, and avoid ultrasonic or steam cleaners unless Oecler has confirmed they’re safe for your stone. Keep them away from hard knocks, sudden temperature changes and harsh chemicals.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n

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How should I store my jewelry?<\/h3>\t\t\t\t<\/div>\n\t\t\n<\/span>\n
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Store each Oecler piece in its own soft pouch or a separate compartment of a lined jewelry box, in a cool, dry place away from sunlight. Diamonds can scratch other stones and metals, so keep pieces from touching.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\n<\/details>\n\n<\/div>\n\n<\/div>\n\n<\/details>\n

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