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
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
Sold2022ART DECO PLATINUM, DIAMOND & SAPPHIRE BAR PINART DECO PLATINUM, DIAMOND & SAPPHIRE BAR PIN set with 41 European cut diamonds approx. 1.70 carats, (center diamond approx. 0.75 carat, in our opinion: G-H color, I1 clarity, however not guaranteed),See Sold Price
Sold2017ART DECO PLATINUM, DIAMOND & SAPPHIRE STICK PINSet with 9 round diamonds approx. 0.30 carats, and 2 square cut sapphire melee, overall head 20x15mm, tests platinum, (pin stem not platinum or gold), gross weight 2.5gms.See Sold Price
Sold2020Beautiful Art Deco Circa 1920 European Platinum DiamondFC #914-JG00 VK Beautiful Art Deco Circa 1920 European Platinum Diamond & Sapphire Arrow Pin Imagine how wonderful this pin will look adorned on the lapel of your blouse, blazer or coat… May you poiSee Sold Price
Sold2023Platinum Diamond and Sapphire Circular PinProperty from a Savannah, GA Estate Description: Platinum Diamond and Sapphire Circular Pin, a circular pin with square cut diamonds (approx. 1.5 carat total diamond weight) and sapphires (approxiSee 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
Sold2022PLATINUM DIAMOND & SYNTHETIC STAR SAPPHIRE PINset with a round diamond approx. 0.20 carat, centering 5 (8x6mm) synthetic star sapphires, and 30 diamond melee, tests platinum, overall diameter 1.4in., 16.2gms.See Sold Price
Sold2023Vintage Platinum Diamond & Pink Star Sapphire PinVintage Platinum Diamond & Pink Star Sapphire Pin consisting of approx. 12.0mm round cabochon pink star sapphire bezel set in the center of a platinum pin approx. 1 3/8 inches x 1.0 inch, 36 old mineSee Sold Price
Sold2022Signed Cartier Platinum Patriot PinSigned Art Deco Cartier platinum ruby, diamond and sapphire pin. The rectangular pin is decorated with a pair of star shaped mountings set with single round faceted sapphire. The sapphire stars are suSee Sold Price
Sold2023VINTAGE EDWARDIAN DIAMOND & SAPPHIRE BAR PINVintage Edwardian Era Platinum, Diamond and Sapphire Bar Pin, set with (5) rectangular blue sapphires and (6) small European cut diamonds. 2 1/4" long, 1/4" wide.See Sold Price
Sold2023Platinum, Diamond, Ruby and Sapphire Flag PinSmall round old-mine and single-cut diamonds, fancy-shaped buff-topped cabochon sapphires, square-cut rubies, circa 1920, ap. 8 dwts.See Sold Price
Sold2021DECO PLATINUM EUROPEAN CUT DIAMOND SAPPHIRE STICK PINDECO PLATINUM EUROPEAN CUT DIAMOND SAPPHIRE STICK PIN An Outstanding Antique Art Deco Platinum Old European Cut Diamond Sapphire Stick Pin, circa 1925, shines front and center with a bright and sparkSee Sold Price
Sold2023Antique Diamond Platinum Sapphire Bar PinEarly platinum 7 diamond, 8 rectangular caliper-cut sapphire Art-Deco filigree bar pin. (4.2 dwt.) Vintage J.E. Caldwell leather box included but not original to pin.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
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
Sold2022David Webb Large 18k Gold Platinum Diamond Emerald Sapphire Ruby Asian Dragon Motif Pin ClipTitle: David Webb Large 18k Gold Platinum Diamond Emerald Sapphire Ruby Asian Dragon Motif Pin Clip Description: The large, exquisitely detailed David Webb 18k gold dragon clip has an approx. 2ct, cleSee 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
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
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
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
Sold2021Art Deco Platinum, Diamond & Sapphire PendantAntique Art Deco Platinum, diamond and sapphire filigree pendant, converted from a bar pin. Features a 3" elongated lozenge shaped design set throughout with bezel and milgrain edged old European cutSee 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
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)
4 days LeftFederal Assets AuctioneersAntique Victorian 14k Gold & Platinum GIA Old Sapphire Ruby Diamond Long Bar PinUS$1
Jun 02Tremont AuctionsFine vintage Tiffany & Co. Art Deco design diamond and sapphire platinum mounted convertible dressUS$3,400
6 days LeftSworders Fine Art AuctioneersA Burmese sapphire and diamond brooch, early 20th century,£1,600
4 days LeftEstateOfMind AuctionsFINE ART DECO PLATINUM DIAMOND & SAPPHIRE RING, C. 1920US$700(8 bids)