Sold2022GRANAT BROS. PLATINUM & DIAMOND BAND RINGThe ring is set with a center row of eight full cut round diamonds [I-K/VS], approximate total weight 0.40 carats, bordered by two rows of 20 single cut round diamonds [I-K/VS], approximate total weigSee Sold Price
Sold2018ALMOST ANTIQUE GRANAT BROS PLATINUM DIAMOND RINGGranat Brothers, jewelers of San Francisco, wedding band or engagement ring. Hallmarked "Granat", "Platinum/iridium" and inscribed w/ 1935. Cut shank. Ring size 9. Weighs 2.7g. U.S. SHIPPING $15 + INSSee Sold Price
Sold202314K Gold & Pearl Art Deco Moderne Designer Bar PinA ladies designer 14k gold jewelry pin. Elegant oblong Art Deco bar form design nestling a dozen small pearl accents. Stamped to lock 14K with additional mark. Accompanied by vintage GRANAT BROS. JEWESee Sold Price
Sold2024Granat Bros. Diamond, Platinum Band.Granat Bros. Diamond, Platinum Band. Featuring five baguette-cut and eighteen single-cut diamonds weighing a total of approximately 0.35 cttw., set in a platinum mounting measuring approximately 6 mmSee Sold Price
Sold2017Collection of Two Diamond, Platinum Rings.Collection of Two Diamond, Platinum Rings. Including one Granat Bros. diamond, engraved platinum ring, size 5 3/4 together with one diamond, platinum ring, size 6 1/4. {Gross Weight: 4.2 dwts}See Sold Price
Sold2024Granat Bros. Synthetic Emerald, Diamond, Platinum Ring.Granat Bros. Synthetic Emerald, Diamond, Platinum Ring. Featuring one square emerald-cut synthetic emerald measuring approximately 6.8 x 6.82 x 4.7 mm, accented by two full-cut and twenty-two single-cSee Sold Price
Sold2023Vintage Platinum & diamond broochVintage Platinum & diamond brooch, c. 1950, set with a cluster of pear-shaped and marquise-cut diamonds, H-J color, VS-SI clarity, est. 10.0 carats, 2.5"l, approx. 18 dwt., illegibly stamped 869(?) PrSee Sold Price
Sold2018VINTAGE PLATINUM 4.00 ct DIAMOND SOLITAIRE RING (LABPLATINUM 4.20 ct DIAMOND ENGAGEMENT RING (LAB CERTIFIED) ITEM SPECIFICS MATERIAL: PLATINUM PRIMARY STONE: 4.20 CARAT ROUND BRILLIANT DIAMOND MEASUREMENTS: 10.50MM-10.55MM X 6.20MM QUALITY: VS1, NEAR CSee Sold Price
Sold2022Stunning Vintage Platinum & Diamond Bracelet - Missing StonesMeasuring 7.25” in length adorned with round brilliant cut and baguette cut diamonds (F-G VS1 approx. 27.4ct tdw) unsigned piece numbered #1155, missing a baguette, electronically tested (96.8 gSee Sold Price
Sold2023Vintage Platinum diamond bracelet deco Just Reduced !!!Vintage from the 1940s Bracelet width: 1 1/2 Inches; Bracelet length: 7 Inches Materials: Platinum Gemstone: Diamond Style: Art deco Description On Sale Now ! Vintage Solid platinum diamond art deco bSee Sold Price
Sold2022Vintage Platinum and Diamond Evening BraceletDESCRIPTION: An Elegant Platinum Evening Bracelet features a unique design, centered by (12) Marquee cut diamonds each Weighing approx. .50cts. The center stone flanked on either side by strips of SquSee Sold Price
Sold2022Vintage Platinum Diamond Tennis BraceletVintage Platinum Diamond Tennis Bracelet Measuring 7.25" in length (4.4mm) wide containing (38) 3.8mm European cut diamonds (H-SI1, approx. 7.6ct tdw) - several diamonds have small chips, unsigned pieSee Sold Price
Sold2021Vintage Platinum Edwardian Diamond Necklace.Fabulous piece done with briolette fancy color drop diamonds. Constructed of Platinum with a total of one hundred fifty eight (158) round brilliant cut diamonds on the line bezel set, ranging from 0.0See Sold Price
Sold2018Lambert Bros. Platinum Diamond & Sapphire Art DecoLambert Bros. Platinum Diamond & Sapphire Art Deco Brooch 1.5''x1.25. Includes an Old European Cut diamonds of 1.66ct, clarity VS-1 color K. Also an Old European Cut diamond of 1.05ct and a .15ct diamSee Sold Price
Sold2022Vintage Platinum and Diamond Solitaire RingOld mine cut diamond center stone measuring 9.5mm - 9.75mm in diameter (VERY chipped/off-color), shank stamped and tested 90% platinum composition, size 6.25, 4.5 grams total weight.See Sold Price
Sold2022Stunning Vintage Platinum Bracelet with Diamonds and SapphiresStunning Vintage Platinum Bracelet with Diamonds and Sapphires Measuring 7" in length, tapered design with marquise & European cut diamonds accented with channel set rectangular cut sapphires. Art DecSee Sold Price
Sold2023Cartier GIA 1.22ct Fancy Colombian Emerald 2.73ctw Diamond Vintage Platinum Ring w/ Orig Box PapersTitle: Cartier GIA 1.22ct Fancy Colombian Emerald 2.73ctw Diamond Vintage Platinum Ring w/ Orig. Receipt Paperwork & Box Description: You can expect the utmost quality here with this signed & numberedSee Sold Price
Sold2023VINTAGE PLATINUM & DIAMOND BRACELETset throughout with round, baguette and marquise diamonds approx. 14.70 carats (in our opinion: E-F color, VS-SI clarity, however not guaranteed), center marquise diamond approx. 0.60 carat (10.5x4.9xSee Sold Price
Sold2022Vintage Platinum Bracelet With Diamonds and SapphiresVintage Platinum Bracelet With Diamonds and Sapphires Measuring 7" in length (8.8mm wide) featuring (2) rows of European cut diamonds in illusion style heads (H-SI1, SI2 approx. 4.68ct tdw.) accentedSee Sold Price
Sold2022Vintage Platinum Diamond Engagement RingVintage Platinum Diamond Engagement Ring 1.76 ctw round cut diamond center stone (8.2mm x 4.3mm, I color, SI2 clarity) accented by two straight cut baguettes (2 @ 4.5mm x 1.6mm, H color, VS2 clarity).See Sold Price
Sold2022Stunning Vintage Platinum, Diamond Filigree PinStunning Vintage Platinum, Diamond Filigree Pin Measuring (2.39" x 0.95") adorned with European cut diamonds including a 1.70ct center stone (I-VS2, I-SI1) approx. 3.42ct tdw, pendant bar located at tSee Sold Price
Sold2022LADIES VINTAGE PLATINUM, EMERALD AND DIAMOND RINGHandmade, set with central cushion cut Colombian emerald, 1.45ct (by measurement). Deep green color, eye clean, AAA quality. Surrounded by (8) Old Mine cut round brilliant cut diamonds, approx. .33ctSee Sold Price
Sold2022LADIES VINTAGE PLATINUM AND SAPPHIRE RINGSet with (1) natural Ceylon blue sapphire antique cushion shape, 6.06ct (by measurement). Color is medium to light sleepy blue with color zoning. Set on each side by (1) straight baguette diamond, appSee Sold Price
Sold2024Cartier Vintage Platinum Emerald Cut Diamond Sapphire RingMetal : Platinum Designer : Cartier Gemstone : Diamond approx. 1.20ct E VVS1. Sapphire Measurements : Ring size 6 1/4, top is 8.3mm Marked: : Cartier Plat, C41272 Weight:See Sold Price
3 days LeftTremont AuctionsVintage platinum diamond mounted anniversary ring band. Channel set square cut diamonds. Area ofUS$475(5 bids)
3 days LeftTremont AuctionsVintage platinum diamond and sapphire art deco bracelet. 2 blue square cut sapphires and 3 round cutUS$300(1 bid)
2024Seized Assets AuctioneersVintage Platinum Etched Petite QUALITY .51 ctw Emerald Solitaire Ring EngagementSee Sold Price
1 day LeftFederal Assets AuctioneersVintage Platinum 1.48 ctw Round Sapphire Solitaire Diamond 3 Stone Engagement RiUS$1
4 days LeftSeized Assets AuctioneersVintage Platinum 3.43 ctw AGL Cushion Sapphire & Diamond Ballerina Cocktail RingUS$1
4 days LeftSeized Assets AuctioneersVintage Platinum 1.21 ctw GIA Old European Diamond Dome Filigree Engagement RingUS$1
6 days LeftJasper521.30ct Natural Diamonds Platinum Pin Edwardian Deco Vintage Platinum 12310US$2,000
1 day LeftSeized Assets AuctioneersVintage Platinum 6.90 ctw GIA Oval Pink Ceylon Sapphire Round Diamond Swirl RingUS$1
2 hrs LeftSeized Assets AuctioneersVintage Platinum GIA 14mm Saltwater White Pearl Solitaire Baguette Diamond RingUS$1
2 hrs LeftSeized Assets AuctioneersVintage Platinum 1.30 ctw Diamond Domed Open Work & Milgrain Eternity Band RingUS$1
2 days LeftSeized Assets AuctioneersVintage Platinum 1.35 ctw Floating Diamond w/ Accents Hand Engraved Work Band RiUS$1
4 days LeftFederal Assets AuctioneersVintage Platinum 4.02 ctw Rhodolite Garnet & Diamond Snowflake Post Stud EarringUS$1