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Tiffany & Co. Schlumberger 18k Gold Platinum & Diamond Stickpin: Tiffany & Co. Schlumberger 18k Gold Platinum & Diamond StickpinCirca: 20th Century, USA.Jean Schlumberger for Tiffany & Co. stickpin, modeled as a radiating spray of 18K yellow gold rods, each termina

2026

Tiffany & Co. Schlumberger 18k Gold Platinum & Diamond Stickpin

Akiba Galleries

Chopard “Your Hour" 18k Gold & Diamond Watch REF#13/5951: Chopard “Your Hour” 18k Gold & Diamond Watch REF#13/5951Circa: 2002, Switzerland.Chopard “Your Hour” H wristwatch in 18k white gold, the rectangular H-form case set with baguette-cut d

2026

Chopard “Your Hour" 18k Gold & Diamond Watch REF#13/5951

Akiba Galleries

Art Deco Platinum Diamond & Sapphire Circle Bow Necklace: Art Deco Platinum Diamond & Sapphire Circle Bow NecklaceCirca 1930s-1940sCircular openwork pendant necklace executed in platinum, centering a diamond-set hoop accented by a stylized bow motif. The cir

2026

Art Deco Platinum Diamond & Sapphire Circle Bow Necklace

Akiba Galleries

Art Deco Platinum & Old European Cut Diamond Brooch: Art Deco Platinum & Old European Cut Diamond BroochCirca: 1920s-1930s, European.Hand-fabricated platinum brooch set with approximately 14.0–16.0 cts of Old European-cut diamonds arranged in bold geo

2026

Art Deco Platinum & Old European Cut Diamond Brooch

Akiba Galleries

Riviera 18k Gold Diamond & Ruby Owl Brooch Pendant: Riviera 18k Gold Diamond & Ruby Owl Brooch PendantCirca 1960s-1970s, FrenchFigural owl brooch by Riviera, executed in 18 karat yellow gold with finely textured sculptural detailing. The owl’s eyes a

2026

Riviera 18k Gold Diamond & Ruby Owl Brooch Pendant

Akiba Galleries

18k Gold Emerald Cut Diamond & Baguette Ring Signed: 18k Gold Emerald Cut Diamond & Baguette Ring Signed1980s, FrenchMiid-20th century French diamond ring executed in 18k yellow gold, centered by an emerald-cut diamond weighing approximately 2.00 carats

2026

18k Gold Emerald Cut Diamond & Baguette Ring Signed

Akiba Galleries

Vintage Tiffany & Co. 18k Gold Diamond & Ruby Watch: Vintage Tiffany & Co. 18k Gold Diamond & Ruby Watch1950s, SwissA vintage 18k gold Tiffany & Co. watch features a manual wind movement, 17 jewels, white dial, decorated with rows of diamonds and rubies

2026

Vintage Tiffany & Co. 18k Gold Diamond & Ruby Watch

Akiba Galleries

EDWARDIAN MULTI STRAND SEED PEARL AND DIAMOND NECKLACE: EDWARDIAN MULTI STRAND SEED PEARL AND DIAMOND NECKLACE,27.6 grams, testing platinum.Diamonds bright and lively.Fine seed pearls (untested).L. 82 cm.

2026

EDWARDIAN MULTI STRAND SEED PEARL AND DIAMOND NECKLACE

Etrusca Auctions

Vintage Italian 18k Gold Diamond by the Yard Necklace: Vintage Italian 18k Gold Diamond by the Yard NecklaceCirca: 1970s / 1980s, Italy.Vintage 30-inch diamonds-by-the-yard necklace crafted in 18k white gold, set with 154 bezel-set round brilliant-cut dia

2026

Vintage Italian 18k Gold Diamond by the Yard Necklace

Akiba Galleries

Vintage 18k Gold Diamond & Ruby Enamel Owl Brooch Signed: Vintage 18k Gold Diamond & Ruby Enamel Owl Brooch SignedCirca: 1990s-2000s, Italy.Stylized perched owl brooch executed in 18K yellow gold with translucent enamel body, Set with approximately 1.25ct of

2026

Vintage 18k Gold Diamond & Ruby Enamel Owl Brooch Signed

Akiba Galleries

Chopard "H-Watch" 18k Gold Emerald Diamond & MOP Watch: Chopard "H-Watch" 18k Gold Emerald Diamond & MOP WatchCirca: 1990s-2000s, Switzerland.Chopard H-Watch (Ref. 136818-0006) in solid 18k yellow gold, the bezel set throughout with approximately 1.50 cara

2026

Chopard "H-Watch" 18k Gold Emerald Diamond & MOP Watch

Akiba Galleries

(2 Pcs) Penny Preville 18k Gold Diamond Bangle Bracelet Set: (2 Pcs) Penny Preville 18k Gold Diamond Bangle Bracelet SetCirca: Late 20th Century, USA.Set of (2) Penny Preville hinged bangle bracelets made in 18k yellow gold, each featuring a continuous channel

2026

(2 Pcs) Penny Preville 18k Gold Diamond Bangle Bracelet Set

Akiba Galleries

Platinum GIA Certified No Heat Sri Lankan Sapphire & Diamond Ring: Platinum GIA Certified No Heat Sri Lankan Sapphire & Diamond RingCirca: 1990s-2000s, Sri Lanka.Platinum ring centering a GIA-certified natural sapphire from Sri Lanka, oval modified brilliant cut, mea

2026

Platinum GIA Certified No Heat Sri Lankan Sapphire & Diamond Ring

Akiba Galleries

2026

EFFY Safari 14K Rose Gold Diamond, Tsavorite, And Brown Diamond Snake Pendant Necklace

Hampton Estate Auction

Platinum and Diamond Engagement Ring Setting: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.24 ctw; STAMPED: number, 10% IRID PLATINUM; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 4.34 g; MEASUREMENTS: Ring size 5 1/4, Center will fit

2026

Platinum and Diamond Engagement Ring Setting

Hampton Estate Auction

2026

Tacori Platinum and Diamond Ring Setting

Hampton Estate Auction

John Hardy sterling silver and diamond pendant.: A John Hardy sterling silver and diamond pendant approx. 3 1/4" diameter with diamond pave in two sections, stamped and tested sterling silver, gross weight approx. 32.65dwt.

2026

John Hardy sterling silver and diamond pendant.

Quinn's Auction Galleries

14K Yellow Gold and Diamond Leaf Earrings: METAL: 14K Yellow Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 2.14 ctw; STAMPED: 14K; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 9.41 g; MEASUREMENTS: Earrings 1 inch long; ADDITIONAL COMMENTS:

2026

14K Yellow Gold and Diamond Leaf Earrings

Hampton Estate Auction

Platinum Cultured Pearl and Diamond Starburst Earrings: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 1 ctw; GEMSTONES: Cultures pearls approx. 8.50mm in diameter; TESTED: Platinum; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 10.7 g; MEASURE

2026

Platinum Cultured Pearl and Diamond Starburst Earrings

Hampton Estate Auction

Platinum and Round Cut Diamond Band Ring: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.90 ctw; STAMPED: PLAT; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 4.45 g; MEASUREMENTS: Ring size 4 1/2

2026

Platinum and Round Cut Diamond Band Ring

Hampton Estate Auction

Platinum and Old European Cut Diamond Ring: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 1.30 ctw; TESTED: Platinum; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 3.1 g; MEASUREMENTS: Ring size 5 1/4

2026

Platinum and Old European Cut Diamond Ring

Hampton Estate Auction

18K White Gold Diamond Line Drop Earrings: METAL: 18K White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 1.20 ctw; STAMPED: Clutches stamped 750, maker's mark; TESTED: 18K White Gold; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 6 g; MEASUREMEN

2026

18K White Gold Diamond Line Drop Earrings

Hampton Estate Auction

18K White Gold Tanzanite and Diamond Cocktail Ring: METAL: 18K White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 2.78 ctw; GEMSTONES: Tanzanite approx. 21.77 carats, With fleabite chips on girdle; STAMPED: 18K; CONDITION: Pre-owned, Very Good; ITEM WEIGHT

2026

18K White Gold Tanzanite and Diamond Cocktail Ring

Hampton Estate Auction

14K White Gold and Diamond Love Station Bracelet: METAL: 14K White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.18 ctw; STAMPED: 14KT, 585; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 2.2 g; MEASUREMENTS: Bracelet 7 inches long

2026

14K White Gold and Diamond Love Station Bracelet

Hampton Estate Auction

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Diamond Bracelets Auctions

Victorian Drop Earrings 7.40ct Rose Cut Diamonds Gold Silver 1950s

2.14ct Heart Diamond Eternity Band Platinum GIA Appraised

Loose Diamond - ROUND 0.2ct Fancy Vivid Yellow VS2

Daily Natural Loose Diamonds & Fine Jewelry

Starts on:

New York, NY, US

4 days Left

HUGE & RARE 4 Ct Treated Certified Off White Diamond Solitaire Stud, 925 Silver

Rare 12 Ct Certified HPHT - Treated Off White Diamond Solitaires Ring In 925 Silver

20 Ct Certified HPHT Treated Gorgeous Off White Diamond Engagement Ring.925 Silver

Diamond Jewelry

Believe Diamond Hong Kong

Starts on:

Kowloon, Hong Kong , HK

Harry Winston Set of Engagement (0.53 ct) & Ribbon Diamond Wedding Band. Sz 6

Tiffany & Co. 18k Yellow Gold Double Twisted Rope Link Collar Necklace 17.1/4"

Cartier Love Bracelet 4 Diamond 18K Rose Gold Size 16

VINTAGE LUXURY DESIGNER JEWELRY & WATCHES

Diamond District Gold Buyers

Starts on:

New York, NY, US

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