Buy Pre-Owned Diamond and Gemstone Necklaces Online | GEMGEM

Browse authenticated diamond and gemstone pendants on GEMGEM. Every piece is verified for quality and authenticity so you can shop focal designs with confidence and fair value.

61 Result Available

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Delicate 18K White Gold Diamond Necklace, Artisanal Design

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18K White Gold Diamond Necklace, Round Studded Elegance

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Pearl Necklace with an elegant Brooch

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Diamond Necklace 18K White Gold NK1328

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Freshwater Pearl Studded Necklace NK937

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Sapphire Necklace 18K Rose Gold NK1127

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0.06ct Diamond Pendant 18K White Gold NP513

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Diamond Pendant 18K White Gold NP509

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Diamond Necklace 18K Yellow Gold NK971

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0.35ct Diamond Pendant 18K White Gold NP510

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Multi coloured Pearl Necklace NK938

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Elegant 18K White Gold Studded Necklace – NK637

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Round Studded 18K White Gold Necklace – NK1048

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Yellow Cushion Platinum Neck Pendant – NP491

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Diamond Round Necklace in 18K White Gold

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White Diamond Round Two Tone Gold Necklace

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White Diamond Stud Necklace

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Mogok Natural No-Heat Burmese Ruby Tennis Necklace | GEMGEM

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Diamond Necklace in 14K Yellow Gold

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Diamond Lariat Tennis 14K Yellow gold Necklace

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Yellow Sapphire and Diamond Cluster Collar Necklace

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Authenticity GuaranteedAll items are real gold, real diamonds, real gemstones — as described.

IGI AuthenticationC2C items are physically authenticated by the International Gemological Institute.

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Insured DeliveryEvery shipment is fully insured and signature-confirmed.

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