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All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1940 item #1384624 (stock #5639)
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Amazing, antique, Art Deco Era, platinum, carved natural jade, diamond, and black onyx or enamel necklace. The chain is 15 1/2" long, pendant with jade and old cut diamonds measures 1 1/2" x 1". This stunning necklace consists of approx. 0.40ctw of H color diamonds. It is hallmarked Plat. 5614-3. Condition is excellent. Weight is 9.71 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1383041 (stock #5613)
Kingston Bay Gallery
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Stunning, Art Deco, platinum, diamond and sapphire bracelet. This gorgeous bracelet measures 7" long x 1/2" wide, it consists approx. 3.5ctw of H-I color SI1 clarity diamonds and 0.08ctw of sapphires. The center diamond weights about 0.40ctw. Bracelet is in excellent pre-owned condition. Weight is 20.5 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1980 item #1379781 (stock #5588)
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GIA certify, natural no heat blue sapphire diamond platinum ring. Unheated, natural 3.87ctw blue sapphire diamond ring, accented with approx. 0.55 carats of F color tapered baguettes diamonds, mounted in platinum. Top of this 5.75 size ring measures 16mm x 10mm. Ring is in excellent pre-owned condition. It comes with GIA Certificate. Weight is 8.5 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1950 item #1378080 (stock #5572)
Kingston Bay Gallery
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Vintage pair of dangle earrings composed of platinum, diamonds, emeralds, rubies and sapphires . The earrings are for pierced ears, measuring about 2 1/2" long x 5/8" wide. Earrings consist of approx. 1.6ctw of diamonds, 1.7ctw of emeralds, 1.2ctw of rubies and 0.16ctw of sapphires. Earrings are in very good condition. Weight is 21.8 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1376347 (stock #5528)
Kingston Bay Gallery
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Exquisite, Art Deco, platinum, diamond and sapphire brooch with original box. This gorgeous brooch consisting of approx 4.5ctw of G-I color VVSI diamonds, measures 1 3/8" in diameter. It is in excellent pre-owned condition. Weight is 10.7 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1368550 (stock #5457)
Kingston Bay Gallery
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Antique, Art Deco Era, engagement ring, composed of platinum and 1.5ctw H color VSI clarity diamonds. Top of this 6 size ring measures 3/4" x 1/2". The center diamond measures 5mm x 4mm, little over 0.50ctw. Condition of this antique ring is very good. Ring is hallmarked 10% IRID PLAT. Weight is 4.5 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1364961 (stock #5535)
Kingston Bay Gallery
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Gorgeous, antique, Edwardian Era brooch, composed of platinum, 18k yellow gold and over 3ctw of H color VSI clarity diamonds. This magnificent brooch (which could be converted to pendant), measures 2 1/4" x 1 5/8". Brooch is in excellent condition. Weight is 13 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1364959 (stock #5532)
Kingston Bay Gallery
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Beautiful antique ring, composed of platinum and 5 H-I color, VSI clarity diamonds weighting approx. 2.25ctw. Top of this 7.5 size ring is 8mm wide. This amazing ring is in excellent pre-owned condition. Weight is 5.32 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1360242 (stock #5509)
Kingston Bay Gallery
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Gorgeous, Art Deco, engagement ring, composed of platinum, approx. 1ctw natural emerald and approx. 0.45ctw of sparkly H color diamonds. Top of this amazing, size 5.5 ring measures 15mm x 12mm. Ring is in very good pre-owned condition. Color of emerald is slightly darker then pictured. Ring weights 5.76 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1950 item #1359071 (stock #5500)
Kingston Bay Gallery
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Gorgeous, antique, platinum, cultured pearls and approx. 3.5ctw H color VSI clarity diamond bracelet. It is 6.5" long x 1 3/8" wide. Bracelet is in excellent pre-owned condition. The weight is 50.8 grams. We do have extra pearls for extension.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1960 item #1354176 (stock #5459)
Kingston Bay Gallery
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Spectacular, platinum and 8ctw H color round, marquise and baguette cut diamonds duette brooch pin. This magnificent brooch measures; 2 1/2" x 1 1/4". It is in excellent condition. Weight is 35.25 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1950 item #1350778 (stock #5446)
Kingston Bay Gallery
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Stunning, antique, Hamilton, platinum and approx. 4ctw of baguette and round cut diamond lady's watch. This beautiful hidden face watch is currently in good working condition. Bracelet is 7.5" long, . Watch consists of approx. 4ctw of F-G color VS1 clarity diamonds. This manual watch works well, it will fit medium size wrist . Weight is 28.49 grams. Watch was serviced and works well. It is marked 10% IRID. PLAT.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1940 item #1336665 (stock #5371)
Kingston Bay Gallery
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Exquisite, Art Deco Era brooch composed of platinum, 14k white gold, natural, untreated jadeite jade and diamonds. This beautiful pin measures 45mm x 12mm, carved emerald green jadeite jade is 35mm long x 12mm wide. Brooch consists of 6 small sparkly diamonds. It is in excellent condition. Weight is 7 grams.
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1970 item #1265853 (stock #5002)
Kingston Bay Gallery
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Absolutely gorgeous, Art Deco style, engagement ring. It is composed of platinum diamonds and sapphires. This size 6.5 ring is set with one brilliant cut diamond, thirty six full cut diamonds and ten natural sapphires. Round brilliant cut diamond measures 6.76mm x 6.70mm x 4.01mm and has weight of 1.10ctw. It has clarity grade of VS-I and a color grade of J. The 36 round full cut diamonds have a clarity grade of VS-2/SI-1, and a color grade of G-H. Ring is marked Platinum...
All Items : Archives : Estate Jewelry : Platinum : Vintage : Pre 1940 item #1239182 (stock #4820)
Kingston Bay Gallery
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Gorgeous, Art Deco Era, platinum, 2ct round brilliant cut diamond and carved imperial jadeite jade brooch. This fabulous brooch measure 2 1/4" x 2". Weights 20.5 grams. Signed Plat. Diamonds F-G color SI1 clarity.