Diamond

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Vasari 18k Gold Turquoise & Diamond Owl Earrings: Vasari 18k Gold Turquoise & Diamond Owl Earrings Circa 1990s-2000s, Italian Vasari earrings, figural owls, executed in 18k gold, each set with an oval turquoise cabochon framed by sculptural scrollwor

2026

Vasari 18k Gold Turquoise & Diamond Owl Earrings

Akiba GalleriesDania Beach, FL

Dunay 18k Gold Diamond & Tourmaline Pendant-Brooch: Dunay 18k Gold Diamond & Tourmaline Pendant-Brooch Circa: 1980s, USA. Vintage 18k yellow and white gold brooch by Dunay, designed in an organic leaf-form motif. The center set with approximately 2.40�

2026

Dunay 18k Gold Diamond & Tourmaline Pendant-Brooch

Akiba GalleriesDania Beach, FL

Cartier “Panthère" Stainless Steel & Diamond Ladies Watch: Cartier “Panthère” Stainless Steel & Diamond Ladies Watch Circa: 1990s, Switzerland. Cartier, Panthère de Cartier wristwatch in stainless steel, square case with factory diamond-set bezel se

2026

Cartier “Panthère" Stainless Steel & Diamond Ladies Watch

Akiba GalleriesDania Beach, FL

Tiffany & Co. Rose Collection Platinum & Diamond Drop Earrings: Tiffany & Co. Rose Collection Platinum & Diamond Drop Earrings 20th Century, USA Platinum and diamond drop earrings from the Tiffany & Co. Rose Collection, composed of cascading pavé-set floral roset

2026

Tiffany & Co. Rose Collection Platinum & Diamond Drop Earrings

Akiba GalleriesDania Beach, FL

Vintage 18k Gold Diamond Emerald Sapphire & Ruby Ring: Vintage 18k Gold Diamond Emerald Sapphire & Ruby Ring Circa 1960s-1970s Domed 18 karat yellow gold multi-gem ring set with three cabochon gemstones arranged in a triangular composition, comprising one

2026

Vintage 18k Gold Diamond Emerald Sapphire & Ruby Ring

Akiba GalleriesDania Beach, FL

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

2026

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

Akiba GalleriesDania Beach, FL

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

2026

Art Deco Platinum & Old European Cut Diamond Brooch

Akiba GalleriesDania Beach, FL

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

2026

Riviera 18k Gold Diamond & Ruby Owl Brooch Pendant

Akiba GalleriesDania Beach, FL

18k Gold Emerald Cut Diamond & Baguette Ring Signed: 18k Gold Emerald Cut Diamond & Baguette Ring Signed 1980s, French Miid-20th century French diamond ring executed in 18k yellow gold, centered by an emerald-cut diamond weighing approximately 2.00 cara

2026

18k Gold Emerald Cut Diamond & Baguette Ring Signed

Akiba GalleriesDania Beach, FL

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

2026

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

Akiba GalleriesDania Beach, FL

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

2026

Art Deco Platinum Diamond & Sapphire Circle Bow Necklace

Akiba GalleriesDania Beach, FL

Vintage Tiffany & Co. 18k Gold Diamond & Ruby Watch: Vintage Tiffany & Co. 18k Gold Diamond & Ruby Watch 1950s, Swiss A vintage 18k gold Tiffany & Co. watch features a manual wind movement, 17 jewels, white dial, decorated with rows of diamonds and rubi

2026

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

Akiba GalleriesDania Beach, FL

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 AuctionsLondon, UK

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

2026

Vintage 18k Gold Diamond & Ruby Enamel Owl Brooch Signed

Akiba GalleriesDania Beach, FL

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

2026

Vintage Italian 18k Gold Diamond by the Yard Necklace

Akiba GalleriesDania Beach, FL

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

2026

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

Akiba GalleriesDania Beach, FL

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

2026

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

Akiba GalleriesDania Beach, FL

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

2026

Platinum GIA Certified No Heat Sri Lankan Sapphire & Diamond Ring

Akiba GalleriesDania Beach, FL

Britain: 2012 The Queen's Diamond Jubilee Royal .999 Fine Silver Sets: Britain: 2012 The Queen's Diamond Jubilee Royal .999 Fine Silver Sets (2) sets, both having presentation boxes and paperwork Property from: a Private Collector, Randolph, Wisconsin Category: World Coi

2026

Britain: 2012 The Queen's Diamond Jubilee Royal .999 Fine Silver Sets

Leonard Auction, a division of The Leonard CompanyAddison, IL

2026

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

Hampton Estate AuctionNew York, NY

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 AuctionNew York, NY

2026

Tacori Platinum and Diamond Ring Setting

Hampton Estate AuctionNew York, NY

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 AuctionNew York, NY

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 GalleriesFalls Church, VA

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Diamond Auctions

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

7.50 CT Lab Grown Oval Cut Diamond Vintage Halo Ring in 14K White Gold

15.00 CT Emerald Cut Lab Grown Emerald Halo Ring with Lab Grown Diamond Side Stones in 14K White

8.50 CT Lab Grown Emerald Cut Diamond Three-Stone Ring with Trapezoid Side Stones in 14K Yellow Gold

Fine Diamond & Gemstone Jewelry

Starts on:

veraval, Gujrat, IN

IGI Oval 2.03ct E VVS2 - Loose Lab Diamond

IGI Marquise 1.06ct D VVS2 - Loose Lab Diamond

IGI Rose 1.09ct E VVS2 - Loose Lab Diamond

Luminesce Lab: Diamonds & Beyond

Starts on:

Raleigh, NC, US

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