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https://www.ebay.com/authenticity-guarantee/jewelry
Which jewelry items are eligible for Authenticity Guarantee?
Authenticity Guarantee is available for select unbranded and branded jewelry, in new or preowned condition, and sold for $500 USD or more. Auction items are also included in the service if the eligible item sells above $500.
All jewelry categories have eligible items except for Loose Beads, Loose Diamonds & Gemstones, Jewelry Care, Design & Repair, Jewelry Mixed Lots, Watches, Parts & Accessories.
Eligible brands are Bulgari, Cartier, Chanel, Chopard, David Yurman, Hearts On Fire, John Hardy, Judith Ripka, Le Vian, Pomellato, Roberto Coin, Tacori, Tiffany & Co., Van Cleef & Arpels, Scott Kay, Verragio and Simon G.
To be eligible for Authenticity Guarantee, unbranded and branded jewelry must also meet the following criteria:
Metal purity: Items must be one of the following metal types and purity: Sterling silver (925+), gold (9K+), palladium (500+), platinum (850+). For plated metal, the base metal composition must be as listed above.
Gemstone type: Gemstones are not required. However, for items with a main gemstone(s), the gemstone must be one of the following: alexandrite, aquamarine, cat’s-eye chrysoberyl, cryptocrystalline quartz, diamond, emerald, garnet, moissanite, morganite, peridot, ruby, sapphire, shell, spinel, tanzanite, topaz, tourmaline, Quartz (all varieties), Labradorite, Moonstone, Coral, Lapis, Zircon, Morganite, Larimar, Malachite.Secondary Stone: Any Stone, No Stone, except Ineligible
Ineligible: Amber, Jade, Opal, Pearl, Quartz, Turquoise
Only select items purchased on eBay.com are eligible for Authenticity Guarantee. Items that are listed on eBay.com from eligible sellers located in the United States to a buyer located in the United States are eligible for Authenticity Guarantee.
Items shipping to addresses outside of the United States are not eligible. Unincorporated territories (including Puerto Rico and the U.S. Virgin Islands) and armed forces postal locations are not currently covered.
