Sold2019Platinum 1950's Fancy Diamond Brooch / Pin1950's brooch made of platinum and set with approx 2.50ctw of diamonds with I-J color and SI clarity. In overall very good condition. Measurements: 49mm x 35mm, 9.40 dwt w17347xSee Sold Price
2018PLATINUM 13.98 CARAT FANCY YELLOW BRACELETVery Fine Platinum EGL USA certified 13.98 carat cushion shape diamond bracelet. This bracelet features 25 cushion shaped diamonds. Clarity VS1-VS2. Color - Fancy Yellow / Fancy Intense Yellow. Good cSee Sold Price
Sold2023Approx. 14ctw Fine White Clean Diamond Large Platinum Midcentury Swirl Brooch ClipTitle: Approx. 14ctw Fine White Clean Diamond Large Platinum Midcentury Swirl Brooch Clip Description: Brilliantly fiery diamond ca. 1950s platinum brooch / clip. We took out several of the stones toSee Sold Price
20231950's Platinum 7.70 Ct. Diamond Brooch1950Õs Platinum 7.70 Ct. Diamond Brooch Weighing 22.0 grams Set with 3 Diamonds weighing app. 1.70 Ct. Along with 78 Diamonds weighing app. 6.00 Ct. F-G Color, VVS-VS Clarity 2 inches in lengthSee Sold Price
Sold2022Vintage Platinum 3.5tcw Diamond Circle Brooch PinThis is an elegant vintage circle brooch pin rendered in fine platinum. The Art Deco pin is studded with 3.5tcw Old European and Old Mine cut diamonds of VS clarity and GH color. It is 1 3/8" diameterSee Sold Price
Sold2022A VINTAGE AQUAMARINE AND DIAMOND BOW BROOCH, CIRCA 1950 in platinum and 18ct white gold, set withA VINTAGE AQUAMARINE AND DIAMOND BOW BROOCH, CIRCA 1950 in platinum and 18ct white gold, set with two tapered fancy cut aquamarines, accented by rose cut, single cut and round brilliant cut diamonds,See Sold Price
Sold2017Fine Platinum, Diamond, & Sapphire Jewelry SuiteFine suite of platinum, diamond, and sapphire jewelry, to include brooch and earrings. Brooch: center old European cut diamond 1.0 CT, L color, SI2 perfection, (25) diamonds, approximately 1.25 ctw, (See Sold Price
Sold202318K YG + PLAT. 1950S ENAMEL DIAMOND KABUKI MASK BROOCH18K yellow gold and platinum 1940s Verde green enamel diamond kabuki mask brooch with 3 CTTW of brilliant cut VS F color diamonds.Measurements:Platinum weight: 23 G.Size: 48 MM X 45 MM.See Sold Price
Sold2020GIA 52.82ct Aquamarine Diamond Platinum Clip PendantStunning Color GIA 52.82ct Aquamarine Fine Diamond Platinum Retro Deco Pendant Brooch ClipDescription:A stunningly blue natural color 52.82ct emerald cut aquamarine with over 2ctw of very white G-H coSee Sold Price
Sold2021Art Deco Platinum, Diamond & Emerald Brooch / PinArt Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -See 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
Sold2022Antique Platinum Art Deco Filigree Diamond Brooch Pin PendantThis is an antique Art Deco bar brooch pin/pendant rendered in fine 14K white gold. The filigree brooch features 21 Old European cut diamonds of VS-SI clarity and HI color. It is 2 1/2" long and it weSee Sold Price
Sold2023Antique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin BroochTitle: Antique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin Brooch Description: Classic circle pin featuring approx. 3.0ctw of very well-matched, white F-H color, clean VS, hi-performance dSee Sold Price
Sold2017Circa 1950s Approx. 4.43 Carat Conch Pearl and 6.25Circa 1950s Approx. 4.43 Carat Conch Pearl and 6.25 Carat European Cut Diamond and Platinum Earrings. Pearls with very fine flame pattern and excellent luster. Diamonds F-G color, VS1-VS2 clarity. UnsSee Sold Price
Sold2015FINE PLATINUM AND DIAMOND BROOCHPLATINUM AND DIAMOND BROOCH Composed of round cut diamonds, weighing approximately 5.00 cts., Length 2 1/2 inches, Weight 9.3 dwt.See Sold Price
2020Fine Platinum Diamond Horseshoe Brooch c.1925Period c.1925 Composition Platinum & diamonds (approx 2ct) Dimensions 3 x 3.5 x 1 cm Weight 5.3 g Fine Platinum Diamond Horseshoe Brooch c.1925 Reserve: $1,600.00 Shipping: Domestic: Flat-rate of $38.See Sold Price
Sold2020Mid Century 1950's Platinum 4.00ctw Diamond Brooch PinMid Century Platinum Diamond Pin. Adorned with round and baguette cut diamonds - approx.4.00ctw . Measurements - Pin is 34mm in diameter. Tested - Platinum. Weight - 14.1 grams.See Sold Price
Sold20201950s Platinum Diamond Pearl Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 46mm x 27mm. GEMSTONES: Diamonds approx. 1.22ctw, Pearls - 4 - 5mm. Comes with JACi valuation card of $4999. TESTED: Plat. WEIGHT: 11.3 grams. Gemstones have nSee Sold Price
2023Fine Platinum and Diamonds Butterfly BroochFine Platinum and Diamonds Butterfly Brooch. There is Well Over 1ct Worth of Diamonds. Condition: Excellent. Dimensions: 1.25" x 1". Total Weight: 3.7dwt / 5.7g. Provenance: From a Long Island, NY PriSee Sold Price
Sold2021Art Nouveau 18k & Platinum Multi Color Fancy DiamondArt Nouveau 18k & Platinum Weight 4.09g Multi Color Fancy Euro Cut Diamond Approx. 2ct Ring  Size 8 Measurements 0.62”x0.78”See Sold Price
Sold2022Contemporary Platinum Diamond and Fancy Color Sapphire RingTitle: Contemporary Platinum Diamond and Fancy Color Sapphire Ring Description: Contemporary Platinum Diamond and Fancy Color Sapphire Ring; platinum; 6.00dwt; 1 oval fancy natural pink sapphire 2.72cSee Sold Price
20201.25ct Natural Blue Sapphire Fine Diamond Platinum Ring1.25ct Natural Blue Sapphire Fine Quality Diamond Fancy Platinum 3 Stone RingDescription:The 7mm round natural sapphire at center is approx. 1.25ct, a bit dark with nice flashes of blue. Natural sideSee Sold Price
Sold2021TIFFANY & CO. PALOMA PICASSO 18KT/PLAT./DIAM. BROOCHFINE TIFFANY & CO. PALOMA PICASSO 18KT/PLATINUM/DIAMOND BROOCH, C. 1980/90, WEIGHT 12.7 GRAMSSee Sold Price
SoldA GROUP OF PLATINUM-TOPPED GOLD, BI-COLOR GOLD, SAPPHIRE AND DIAMOND BROOCHESA GROUP OF PLATINUM-TOPPED GOLD, BI-COLOR GOLD, SAPPHIRE AND DIAMOND BROOCHES • Platinum, 14k white gold, 18k yellow gold • 5 old European-cut, 1 old-mine cut and numerous rose-cut diamondSee Sold Price
22 hrs LeftHess Fine AuctionsArt Deco Platinum 5.35ctw Fine Diamond Natural Sapphire Antique Brooch 14K White Gold Pin$550(7 bids)
22 hrs LeftHess Fine AuctionsOscar Heyman Approx 4.80ctw Vivid Natural Emerald Fine Diamond Platinum Midcentury Pendant$1,900(4 bids)
22 hrs LeftHess Fine AuctionsApprox 5ctw Old Euro Diamond Platinum Filigree Antique Art Deco Era Brooch$600(10 bids)
Jun 24Platinum Auction GroupFabulous 4.00ct Diamond Ruby 18k Yellow Gold 5 Row Flex Link Bracelet$750(1 bid)
Jun 24Platinum Auction GroupMagnificent 3.00ct Diamond White Coral 18k Gold 23.5mm Fancy Link Bracelet$1,000(1 bid)