Sold2023Vintage 4.35cts Diamond Cabochon Ruby Sapphire Platinum Floral Brooch Pinweighing approximately 10.0 grams. crafted in solid Platinum, this exquisite piece is adorned by an outstanding (4) Large Genuine Diamonds round-cut, prong-set, ( G-H color and VS clarity) & (16) LargSee 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
Sold202318K YG 20 CTTW SAPPHIRE AND DIAMOND FLORAL PIN18K yellow gold 20CTTW sapphire and diamond floral bouquet brooch. Measurements: 50 MM x 44 MM.See Sold Price
Sold2018An Art Deco Sapphire & Diamond Bar Pin in Platinumc. 1915 platinum bar pin featuring 16 round sapphires bezel set with milgrain accent separated by diamonds set in leaf design, 3.5 in. L, 8.7 gramsSee Sold Price
Sold2022Stunning Platinum Diamond PinStunning Platinum Diamond Pin Measuring 3.75" in length, possibly a hat pin and or hairpiece, featuring three rows do round brilliant cut diamonds and a row of straight baguettes (g-VS1) approx. 12ctSee Sold Price
Sold2022Stunning Platinum Diamond PinStunning Platinum Diamond Pin Measuring 3.25" in length, likely a hat pin or hairpiece, with wave like placeholders on the reverse, featuring three rows of brilliant round cut diamonds accented with aSee Sold Price
Sold2024An Art Deco Sapphire & Diamond Bar Pin in 14K & PlatinumArt Deco Platinum and 14K yellow gold bar pin featuring 10 round sapphires weighing approx. 2.50ctw, possibly Ceylon, alternating with 18 rose cut diamonds weighing approx. 0.20ctw, lock safety catch,See Sold Price
Sold2017Platinum Sapphire Diamond Pin BroochSapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reserSee Sold Price
Sold2018Platinum Sapphire Diamond Pin BroochSapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reserSee Sold Price
Sold2023Platinum Tri-Color Sapphire & Diamond Brooch Pin" A lovely, remarkably wearing tri-color sapphire and diamond brooch pin set in Platinum 950 is accentuated with oval sapphires and linked by over 1 carat marquise-shaped diamonds in a prong setting.See 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
Sold2015PLATINUM, INVISIBLE SET SAPPHIRE, & DIAMOND FLORALwith approximately 540 square faceted sapphires weighing approximately 43.20 total carats and 19 diamonds weighing approximately 1.54 total carats (I-K, SI1-SI2, few I1) 49 grams Condition: with two sSee Sold Price
Sold2019Art Deco Platinum Sapphire and Diamond Pin, FrenchCrafted in platinum; centering a rectangular cut sapphire weighing approximately 2.50 carats; accented with 34 square- and rectangular-cut sapphires, weighing a total of approximately 2.80 carats; andSee Sold Price
Sold2023GIA 2.40ct Stunning Blue Natural Sapphire 1ctw Fine Diamond Halo Platinum Ring w/ ReportTitle: GIA 2.40ct Stunning Blue Natural Sapphire 1ctw Fine Diamond Halo Platinum Ring w/ Report Description: A stunning blue approx 2.40ct natural sapphire is set in a fancy halo style platinum mountiSee Sold Price
Sold2021PLATINUM & DIAMOND FLORAL SPRAY PIN, 2.30CTWset with 80 round, marquise and baguette diamonds approx. 2.30 carats (in our opinion: F-G color, VS2-SI1 clarity, however not guaranteed), tests platinum, 1.78x1in., 14gms.See 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
Sold2023Stunning 14K Diamond & Sapphire Firework PinBeautiful 14k Yellow gold, diamond and sapphire Firework brooch set with 8 round brilliant diamonds for approximately 1 CTW. Excellent condition. 55 mm x 35 mm. Total weight: 16.6 grams / 10.6 dwt.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
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
Sold201818.77ct GIA Yellow Sapphire, Diamond Platinum Ring18.77ct GIA Certified (No Heat) Sri Lankan Yellow Sapphire in 3.80ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring From Vietnamese Royal Family (W/$52,000 Appraisal) - This stunning cocktail rinSee Sold Price
Sold201914.1ctw Blue Sapphire & Diamond Platinum Bracelet7.85ctw Blue Sapphire, 6.25ctw VS1-VS2/G-H Diamond & Solid Platinum Art Deco Cocktail Bracelet (Comes W/$58,000 Appraisal) - This stunning bracelet was finely crafted of solid platinum, and is embelliSee Sold Price
Sold2019STUNNING Platinum, Sapphire & Rose Cut Diamond CrescentDK Platinum, Sapphire & Diamond Crescent Necklace Circa 1900! This wonderful necklace is one of a kind!The weight is 9.3 grams.There are 0.90 points of rose cut diamonds. There are 4 carats of naturalSee Sold Price
2019Art Deco 25.75ct Star Sapphire Diamond Dome RingArt Deco 25.75 Carats Star Sapphire & Diamond Platinum Dome Ring Size 4 This is a stunning Art Deco ring, it is crafted from platinum featuring a high dome shape star sapphire mounted on a round frameSee 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
Jun 24Platinum Auction GroupArt Deco Diamond Pendant Pin Old Mine Cut Platinum 14k Floral FiligreeUS$5,000
1 day LeftJasper52Oscar Heyman Sapphire Diamond Platinum Necklace Bracelet Brooch Pin PendantUS$68,000
Jun 25Miami Auction GalleryVintage GIA Blue Sapphire Diamond Platinum Star Flower Brooch PinUS$16,000
3 days LeftModern JewelryFrench EARRINGS by Mouawad Platinum Sapphire Diamond Estate JewelryUS$22,000
3 days LeftModern JewelryHenri PIQUET Turquoise Diamond Platinum Pin BROOCH Clip Art Deco1920s FrenchUS$21,250
Jun 25Miami Auction Gallery9.89 carats No-Heat Ceylon GIA Sapphire Fancy Diamond three stone Platinum RingUS$42,000
6 days LeftModern JewelryTiffany & Co. 13.00 Carat Sapphire 1.00 Diamond 18 Karat Yellow Gold PinUS$38,750
Jun 25Miami Auction GalleryBuccellati GIA NO HEAT Blue Sapphire 18K Gold Floral Square Brooch PinUS$10,000
7 days LeftMynt AuctionsDavid Webb Platinum & 18K Yellow Gold Diamond Sapphire Rock Crystal Choker NecklaceUS$5
Jun 24ATTIC TO AUCTION, LLCLUXURY ESTATE Antique Approx 2.5 carat Platinum top & 14kt Yellow Gold Diamond Flower Ring 9.2 gramsUS$1,000(5 bids)