| Product Categories | Engagement rings, wedding bands, loose diamonds, diamond and gemstone jewellery; Design Your Own customisation | Fine jewellery, engagement rings, sterling silver, watches, home and accessories, leather goods, fragrance | — | — |
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| Signature Collections | — | Tiffany Setting engagement ring (1886), Tiffany T, Tiffany HardWear, Schlumberger | — | — |
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| Price Positioning | Fine jewellery; online-first retailer with US showrooms | Luxury; spans sterling silver pieces to high jewellery | — | — |
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| Warranty | Limited lifetime warranty on gold and platinum jewellery US$1,000+ against manufacturing defects; one free resize within 6 months | Watches: 5-year limited warranty against material and manufacturing defects; signed warranty certificate required | — | — |
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| Personalisation & Engraving | Engraving and custom Design Your Own pieces (non-returnable) | Engraving and personalisation offered; personalised, altered or engraved items are not eligible for return or exchange | — | — |
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| Responsible Sourcing | — | Discloses region/country of origin for registered diamonds 0.18 ct+ (since 2019) and crafting countries (Diamond Craft Journey, 2020); owns polishing workshops in 6 countries | — | — |
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| Returns Policy | 30 days from shipment, free returns (2 free return shipments per year); engraved, custom, resized and final-sale items excluded; international return airway bill | US: 30 days for credit or exchange in saleable condition with receipt; purchases of $75,000+ exchange only; returns only in country of purchase | — | — |
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| Founded | 1999, US (online diamond retailer); showrooms in several US states | 1837, New York City, US | — | — |
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| Parent Company | Signet Jewelers (acquired 2022) | LVMH (acquired January 2021) | — | — |
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| Key Materials | Gold and platinum settings; silver, pearl and alternative-metal pieces also sold | Sterling silver, precious metals, diamonds, coloured gemstones (e.g. tsavorite, morganite, kunzite), pearls | — | — |
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| Diamond Types | Natural, coloured and lab-grown diamonds | — | — | — |
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| Diamond Certification | Grading reports from labs such as GIA and IGI; new lab-grown stones graded by GCAL | — | — | — |
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