Platinum Jewelry

Platinum Jewelry

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Midcentury Cartier Diamond Carved Coral Jade Lapis 18k Gold Platinum Flower Brooch Signed & Numbered: Title: Midcentury Cartier Diamond Carved Coral Jade Lapis 18k Gold Platinum Unique Flower Pot Brooch Signed & Numbered Description: A one-of-a-kind midcentury Cartier treasure made in 18k gold & plati

2024Hess Fine Auctions

Midcentury Cartier Diamond Carved Coral Jade Lapis 18k Gold Platinum Flower Brooch Signed & Numbered

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EDWARDIAN PERIOD PLATINUM DIAMOND RING: Centrally set transitional cut 1.85ct (by calculation) Diamond. Clarity SI-1, Color M-N. (8) Single cut and Old Mine cut Diamond accents in setting and under gallery. Good condition. Size 6. 2.27dwt.

2024Thomaston Place Auction Galleries

EDWARDIAN PERIOD PLATINUM DIAMOND RING

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(PAIR) ESTATE PLATINUM EMERALD & 4.00CTTW DIAMOND DROP EARRINGS: (pair) Estate platinum drop earrings, square cut emeralds, approx 12.00cttw, round diamonds, approx 2.00cttw, baguette diamonds, approx 1.00cttw, and marquise diamonds, approx 1.00cttw, average color:

2024Austin Auction Gallery

(PAIR) ESTATE PLATINUM EMERALD & 4.00CTTW DIAMOND DROP EARRINGS

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ART DECO DIAMOND BRACELET: ART DECO DIAMOND BRACELET Details Old and marquise-cut diamonds, platinum, circa 1935 Diamonds: approximately 310 old-cut with approximate total weight of 9.00 - 10.00 carats, 12 marquise-cut with app

Feb 20, 2025

ART DECO DIAMOND BRACELET

LADY'S DIAMOND RING: 2.49ct Round Brilliant Cut Diamond solitaire ring. Set in 18K Gold with Platinum setting. Clarity VS2, Color O-P. Size 5 1/2. Retail replacement value $22,000. With appraisal from GIA certified jewele

2024Thomaston Place Auction Galleries

LADY'S DIAMOND RING

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CARTIER, PLATINUM 'TONNEAU': CARTIER, PLATINUM 'TONNEAU' Details CIRCA: 1990s CASE MATERIAL: Platinum CASE DIAMETER: 26 x 46 mm. CASE NO’: A111045 DIAL: White Guilloché MOVEMENT: Manual FUNCTIONS: Time only CLASP: Whit

Feb 20, 2025

CARTIER, PLATINUM 'TONNEAU'

Antique Platinum Diamond Engagement Ring: Antique Platinum Diamond Engagement Ring, featuring one centered prong set round brilliant cut diamond, I-J color, SI2 clarity, approx. 0.65 carat, further adorned with 4 single cut diamonds bead set

2024Auctions at Showplace

Antique Platinum Diamond Engagement Ring

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EDWARDIAN PERIOD DIAMOND AND SAPPHIRE RING: Centrally set Round Brilliant cut Diamond. 0.67ct (by calculation). Clarity SI-2, Color J. Side natural Sapphires are vivid blue. Stamped Platinum. Size 4 1/2. 2.65dwt. Good condition. 2.65dwt. Catalo

2024Thomaston Place Auction Galleries

EDWARDIAN PERIOD DIAMOND AND SAPPHIRE RING

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Art-Deco Platinum Filigree Diamond Engagement Ring, Size 6.0: Art-Deco Platinum Filigree Diamond Engagement Ring, Size 6.0, Consisting of One Natural Round Diamond Weighing 1.05 Carats. Diamond is H in Color and VS1 in Clarity. Ring also Contains Four (4) Side R

2024Northgate Gallery, Inc.

Art-Deco Platinum Filigree Diamond Engagement Ring, Size 6.0

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CARTIER 5.45 Carat Pear-Shaped Diamond Platinum Ring: This Breathtaking Classic Cartier diamond ring is centered With a stunning pear-shaped natural diamond weighing 4.07cts, E color, VS1, set in a beautiful platinum setting. This is an impeccable Diamon

2024Miami Auctions & Appraisals LLC

CARTIER 5.45 Carat Pear-Shaped Diamond Platinum Ring

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Antique Aprx 6ctw Quality Old Euro Diamond 18k Gold Platinum Victorian Snowflake Pendant Brooch: Title: Antique Approx 6ctw Quality Old Euro Diamond 18k Gold Platinum Victorian Era Snowflake Pendant or Brooch Description: A genuine Victorian era 18k & platinum snowflake design brooch featuring ex

2024Hess Fine Auctions

Antique Aprx 6ctw Quality Old Euro Diamond 18k Gold Platinum Victorian Snowflake Pendant Brooch

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Pair of Platinum, Natural Pearl and Diamond Pendant-Earrings: 2 old-mine cut diamonds ap. .85 ct., 2 small old European-cut diamonds, rose-cut diamonds, 2 pearls ap. 7.29 x 7.17 and 7.91 mm., c. 1910, posts added later, ap. 4.6 dwts. With GIA report no. 22391590

2024DOYLE Auctioneers & Appraisers

Pair of Platinum, Natural Pearl and Diamond Pendant-Earrings

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Gold, Platinum, Plique-à-Jour Enamel, Sapphire and Diamond Dragonfly Brooch, Retailed by Moira: Pastel green and blue plique-à-jour enamel, 5 round sapphires, small round ruby eyes, 12 round rose-cut diamonds, small old European and single-cut diamonds, retailed by Moira, London, ap. 12.2 d

2024DOYLE Auctioneers & Appraisers

Gold, Platinum, Plique-à-Jour Enamel, Sapphire and Diamond Dragonfly Brooch, Retailed by Moira

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Antique Art Deco Platinum & 2.5ctw Diamond Watch: Antique Art Deco Hamilton platinum ladies watch set with approx. 2.5ctw of stunning round brilliant cut diamonds. Circa: 1920s-1940s. Measures approx. 7" Long. Total Weight: 15.86 dwt (24.66 grams). C

2024Napoleon's Fine Art

Antique Art Deco Platinum & 2.5ctw Diamond Watch

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Edwardian Tiffany & Co. Aprx 1ctw Fine Old Euro Diamond Natural Pearl Platinum Top 14k Gold Brooch: Title: Edwardian Tiffany & Co. Approx. 1ctw Fine Old Euro Diamond Natural Pearl Platinum Top 14k Gold Brooch Description: A finely made Edwardian Era brooch by Tiffany & Co. comprised of a platinum t

2024Hess Fine Auctions

Edwardian Tiffany & Co. Aprx 1ctw Fine Old Euro Diamond Natural Pearl Platinum Top 14k Gold Brooch

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Art Deco Platinum Diamond Sapphire Ring: Art Deco Period Ring, fabricated in platinum, adorned with 3 transitional round brilliant cut diamonds, J-L color, SI clarity, weighing a total of approx. 0.66 carats, further adorned with 6 single cu

2024Auctions at Showplace

Art Deco Platinum Diamond Sapphire Ring

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Seidengang 18K Gold & Diamond Earrings: Metal Type: 18K Yellow Gold, 900 Platinum. Marks: 18K, PLAT, Designer Signature. Total Item Weight (g): 23.5. Gemstone: Diamond. Carat Weight: 0.32. Stone Count: 9. Stone Shape: Round Brilliant. Color

2024Napoleon's Fine Art

Seidengang 18K Gold & Diamond Earrings

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Very Art Deco Natural Jadeite Jade Sapphire Natural Pearl Diamond Platinum 18k Gold Antique Bracelet: Title: Very Art Deco Natural Jadeite Jade Natural Sapphire Natural Pearl Diamond Platinum 18k Gold Antique Bracelet Description: A truly unique & stunning Art Deco era platinum bracelet comprised of a

2024Hess Fine Auctions

Very Art Deco Natural Jadeite Jade Sapphire Natural Pearl Diamond Platinum 18k Gold Antique Bracelet

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Antique Gold, Platinum, Colored Diamond and Diamond Flower Brooch: Estate / Collection: Property of an International Collector One old European-cut yellow diamond ap. .60 ct., old European and old-mine cut diamonds ap. 1.70 cts., c. 1905, ap. 6.7 dwts. The yellow dia

2024DOYLE Auctioneers & Appraisers

Antique Gold, Platinum, Colored Diamond and Diamond Flower Brooch

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Frank Walter Lawrence Platinum, Gold, Star Sapphire and Diamond Pendant-Brooch with Chain Necklace: One oval pyramidal cabochon star sapphire ap. 43.35 cts., 41 old European-cut diamonds ap. 1.15 cts., small old European-cut diamonds, pendant-brooch signed F. W. L., detachable, c. 1920, ap. 13.6 dwt

2024DOYLE Auctioneers & Appraisers

Frank Walter Lawrence Platinum, Gold, Star Sapphire and Diamond Pendant-Brooch with Chain Necklace

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Art Deco 1.65 carat Old European cut diamond platinum engagement ring SKU-390: Measurements: 10mm Wide size: 8 1/4 Features an approximate 7.55mm - 1.65 carat VS2 - J / K Old European cut diamond Note

Art Deco 1.65 carat Old European cut diamond platinum engagement ring SKU-390

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24

Platinum Collectibles Auctions

Tom Wesselmann 1931-2004 Claire Nude Litho SIGNED

Hans Hopfer Roche Bobois Mah Jong 12pc. Sectional

Frank Stella b.1936 Eskimo Curlew LE Litho SIGNED

Up For Grabs - Day 2

Hill Auction Gallery

Sunrise, FL, US

Auction Ended

6.39ct Brilliant Pear Shaped Diamond & Platinum Ring, GIA Report, VSI, Color H, 13g Size: 7.25

Chinese Green Jade Urn, Edward Farmer Mount, From The Estate Of Fred Fisher, H 17" W 6.25" L 9"

Rolex Oyster Perpetual Superlative Chronometer 18kt Gold And Stainless Steel Daytona Cosmograph, Ca.

September Auctions: Day 1

Detroit, MI, US

Auction Ended

Manoucher Yektai (Iranian, 1922-2019) Oil on Canvas, 1967, "The Letter", H 18.125" W 26"

Damien Hirst (British, B. 1956) Woodcut in Colors on Somerset Paper, "Esculetin, from 40 Woodcut

Anton Chotka (Austrian, 1875-1925) Cold Painted Bronze Sculpture - Bedouin in Tent, Table Lamp Ca.

January 2025: Curated Selections

Detroit, MI, US

Auction Ended

Platinum Jewelry

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