Sold2020Art Deco Diamond Sapphire Platinum Stick PinEstate Art Deco Diamond Sapphire Platinum Stick Pin - A lovely bar stickpin that is approximately 2.3 grams and .75 x .25 inches. About .5 carat of white diamonds .375 carat of sapphires. An easy convSee Sold Price
Sold2022Antique Platinum Diamond Sapphire Fish Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 44mm x 17mm. GEMSTONES: Sapphire, Emerald, Diamonds approx. 0.70ctw. MARKED: 8990P. WEIGHT: 5.1 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold2020Platinum Diamond Sapphire RingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.30ctw H-I/VS. Sapphire approx. 1.66ct. MEASUREMENTS: Ring size 6 1/2, ring top is 12mm wide. MARKED: PT950. WEIGHT: 18 grams.Gemstones have not been gradSee Sold Price
Sold2022Retro Diamond, Ruby, Sapphire, Emerald, Platinum PinDesigned as two flowers with leaves, one flower centering a round sapphire cabochon measuring approximately 14.50 mm, highlighted by eight carved and one oval ruby cabochon, each ranging from approximSee Sold Price
Sold2023CARTIER 14K PLAT SAPPHIRE DIAMOND BLUEBONNET PINEstate 14kt yellow gold and platinum brooch, Cartier, serial number 833, modeled as a Bluebonnet flower stem, with gold wire leaves, (eleven) blue sapphires, approx 3.60cttw, (twenty) diamonds, approxSee Sold Price
Sold202314K Gold, Pearl, Diamond & Sapphire Estate Necklace & PinArtist/Designer; Manufacturer: unknown Marking(s); notes: 14K (necklace clasp), stick pin unmarked Country of origin; materials: 14K gold, platinum, diamond, sapphire, Japanese Akoya cultured pearl DiSee Sold Price
Sold2021Simply Beautiful Diamond Sapphire Starburst PinMagnificent 1940's Hand Made Sapphire & Diamond Starburst -Stunning Colors - Unmarked Acid Tested Platinum .65 TCW. - 8 Total G-H- Sapphires 3.20 ct - 25 sapphires 19.9 g with stones 1.5"DSee Sold Price
Sold2017Platinum Diamond Ring Mounting Loose GIA 8.10ct OvalMETAL: platinum. GEMSTONES: diamonds-approx. 2.20-2.30ctw. Oval modified brilliant cut sapphire-8.10ct, measurements-14.06mm x 11.12mm x 6.44mm. Stone is chipped on girdle. Original GIA Report #518106See Sold Price
Sold2017J. Roca Platinum Diamond Leaf Brooch PinMETAL: platinum. GEMSTONES: diamonds- 1.30ctw. MEASUREMENTS: 55mm X 33mm at widest point. MARKED: J. Roca. WEIGHT: 12.8g. Gemstones have not been graded for color and clarity ,and tested for clarity aSee Sold Price
Sold2024Honora 18k Gold Diamond Sapphire Brooch PinMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.30ctw. Sapphires. MEASUREMENTS: Brooch is 38mm x 36mm. MARKED: Maker's logo mark 18k. WEIGHT: 15 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2019Estate Platinum GIA Ceylon Sapphire and Diamonds RingThis elegant ring displays one natural oval cut Ceylon Gia sapphire that weighs 2.27ctw. This gorgeous piece of jewelry holds old mine cut diamonds of H-VS2/SI1 quality that weigh 1.40ctw. Handmade inSee Sold Price
Sold2021Art Deco Platinum Gold Diamond Sapphire Necklace ClaspMTAL: Platinum/14k Gold hardware. MEASUREMENTS: Clasp is 25mm x 35mm. GEMSTONES: Sapphires, Diamonds approx. 1.40ctw. TESTED: Plat/14k. WEIGHT: 11.3 grams.Gemstones have not been graded for color andSee Sold Price
Sold2023Retro 18k Gold Platinum Ruby Diamond Sapphire Flower EarringsMETAL: 18k Gold/ Platinum. MEASUREMENTS: Earrings are 28mm x 25mm. GEMSTONES: Sapphire, Ruby, Diamonds approx.0.40ctw. TESTED: 18k. WEIGHT: 9.3 grams.Gemstones have not been graded for color and clariSee Sold Price
Sold2020Platinum Diamond Sapphire Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6, center will fit approx. 5.2mm x 5mm stone. GEMSTONES: Side sapphires and approx. 0.30ctw in diamonds. MARKED: pt950, engraving "With all my love"See Sold Price
Sold202418k Gold Platinum Diamond Bird Brooch PinMETAL: 18k Gold/Platinum. GEMSTONES: Diamonds approx. 0.54ctw. Synthetic sapphire and ruby. MEASUREMENTS: Brooch is 34mm x 30mm. TESTED: Plat. 18k. WEIGHT: 9.4 grams.Gemstones have not been graded forSee Sold Price
Sold2023Midcentury Platinum Diamond Brooch PinMETAL: Platinum. GEMSTONES: Diamonds approx. 3.40ctw (one missing stone). MEASUREMENTS: Brooch is 38mm x 30mm. TESTED: Plat. WEIGHT: 13.6 grams.Gemstones have not been graded for color and clarity ,anSee Sold Price
Sold2019Platinum Diamond Green Gemstone Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 55mm x 25mm. GEMSTONES: Green gemstones, Diamonds approx. 0.30ctw. MARKED: P.T. WEIGHT: 10.6 grams.Gemstones have not been graded for color and clarity ,and teSee Sold Price
Sold2023Art Deco Platinum Diamond Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 35mm x 17mm. GEMSTONES: Diamonds approx. 1.40ctw (center stone approx. 0.40-0.44ct). TESTED: Plat top. WEIGHT: 7.7 grams.Gemstones have not been graded for colSee Sold Price
Sold2016Art Deco 1.50ctw Diamond Platinum Brooch PinA platinum brooch set with approximately 1.50ctw of old mine cut diamonds separated by synthetic sapphires. The brooch measures 43mm x 23mm and weighs 6.0 grams.Gemstones have not been graded for coloSee Sold Price
Sold2017PLATINUM DIAMOND & SAPPHIRE PIN APPROX. 1.75 CT-Platinum 1.75 ct. diamond and sapphire pin -Sapphire center stone 3/8 ct. -Overall condition is excellent, no surface wear or scratches -Estimated total diamond weight = 1.75 ctw -Approx. total weighSee Sold Price
Sold2015Estate Platinum Diamond & Sapphire Channel Set RingEstate Platinum Diamond & Sapphire Channel Set Ring. Weight - 6.3 grams. Approx. 1.30ct. Size - 7. Retail - $3,000.See Sold Price
Sold2023Vintage Estate Platinum Diamond Sapphire Art Deco RingVintage Estate Platinum Diamond Sapphire Art Deco Ring Vintage Estate Platinum Diamond Sapphire Art Deco Ring Product Description About This Piece: Vintage / Estate 14k White Gold Art Deco Ring with aSee Sold Price
Sold2023Vintage Estate Platinum Diamond Sapphire Art Deco RingVintage Estate Platinum Diamond Sapphire Art Deco Ring Vintage / Estate 14k White Gold Art Deco Ring with a center round Sapphire and surrounding mix-shape Diamonds. Antique, circa 1920's, one-of-a-kiSee Sold Price
Sold2024Platinum Diamond Sapphire PinPlatinum diamond sapphire pin; frame tests platinum and is set with a 6x6mm cushion shaped blue sapphire in a flower, and additional small 1.0x1.0mm square calibre accent blue sapphires in a ribbon deSee Sold Price
6 days LeftJasper52Oscar Heyman Sapphire Diamond Platinum Necklace Bracelet Brooch Pin PendantUS$68,000
5 days LeftFederal Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch PinUS$1
Jun 09Austin Auction GalleryESTATE CUSTOM PLATINUM, 10CT SAPPHIRE & 2.5CTTW DIAMOND RINGUS$2,000(1 bid)
Jun 06Akiba GalleriesTiffany & Co. Platinum, Diamond, Sapphire and Ruby American Flag BroochUS$5,000(1 bid)
May 31Miami Auctions & Appraisals LLC Vintage GIA Blue Sapphire Diamond Platinum Star Flower Brooch PinUS$8,200
Jun 02Tremont AuctionsVintage diamond and sapphire mounted platinum round pin. 16 round cut diamonds, approx. 1.2 CTW. 16US$300(1 bid)
Featured6 days LeftJasper52Tiffany & Co Platinum Diamond Pink Sapphire Milgrain 2.5mm Band Ring sz 5.75US$1,700