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
Sold2018*An 18 Karat Yellow Gold, Platinum, Synthetic Ruby,An 18 Karat Yellow Gold, Platinum, Synthetic Ruby, Diamond, Synthetic Sapphire, Cultured Pearl and Glass Sword Jabot, French, consisting of a sword and sheath jabot pin containing one cushion shape miSee 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
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
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
Sold2018LA CLOCHE FRERES EDWARDIAN "SAPPHIRE" JABOT PINThe cushion-faceted synthetic sapphire, approx. 2.84 cts. by formula, centered by knife-edge scrolling platinum with rose-cut diamonds, terminating in similar cap. Ca. 1905. Stamped by the maker, FrenSee Sold Price
Sold2019Diamond, synthetic sapphire and platinum Masonic ringDiamond, synthetic sapphire and platinum Masonic ring Designed as a Masonic five point star, accented by (14) full-cut diamonds, weighing a total of approximately 0.30 ct., enhanced by triangle and FrSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & STAR SAPPHIRE RINGcentering one round cabochon cut star sapphire weighing approximately 5.8 carats; and 35 early round full cut, single cut, and Swiss cut diamonds [G-H/VS2-SI1] weighing approximately 0.90 carats totalSee Sold Price
Sold2020Platinum Diamond Star Sapphire Dome RingMetal Content: Platinum.Weight of Item: 18.8 grams.Size: Ring size 6 3/4, ring top - 23mm at widest poin.Gemstone: Diamonds. Star sapphire approx. 19.53ct (15.5mm x 13.5mm).Carat Weight: approx. 1.21cSee 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
Sold2022EDWARDIAN PLATINUM, DIAMOND, & SYNTHETIC SAPPHIRE RINGcontaining three old European cut diamonds [H-J/VS] weighing approximately 0.25 carats total; 16 single-cut diamonds [H-J/VS] weighing approximately 0.40 carats total; and eight caliber-cut syntheticSee Sold Price
Sold2022NEAR PAIR 14K SYNTHETIC STAR SAPPHIRE PINShand crafted, each set with a dangling sapphire, one with blue stone approx. 14x12mm, pin measures 1.4x1.5in., the other in pink approx. 11x9mm, pin measures 1.3x1.4in., personal engraved commemorativSee 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
Sold2023One Platinum, Diamond and Synthetic Sapphire BroochGUILD laboratories' certificates are as accurate as GIA AND AGL certificates, and Sumer collection stands a hundred percent behind Guild laboratory's certifications.See 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
Sold2018A Yellow Gold, Platinum, Diamond and Synthetic SapphireA Yellow Gold, Platinum, Diamond and Synthetic Sapphire Toi et Moi Ring, containing one old European cut round diamond weighing approximately 1.35 carats and one round mixed cut synthetic sapphire meaSee Sold Price
Sold2019Platinum Diamond Purple Star Sapphire RingMetal Content: Platinum.Weight of Item: 8.4 grams.Size: Ring size 6 3/4, ring top - 16mm x 15.5mm.Gemstone: Diamonds. Purple Star Supphire 4.00ct (small imperfection on the side of the gem).Carat WeigSee Sold Price
Sold2018An Art Deco diamond, synthetic sapphire bar pinFeaturing two old European cut diamonds weighing a total of approximately 0.50 cttw. and eighty-two rose cut diamonds ranging in size from approximately 1.0 to 1.2 mm, framing fifteen rectangular stepSee 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
Sold2023Three broochesThree brooches 19th-early 20th centuryComprising two 19th Century brooches, one shell cameo and metal brooch, one garnet and gold dome brooches, and one platinum, diamond and synthetic sapphire bar pSee Sold Price
Sold2019Estate 14k White Gold Star Sapphire & Diamond RingEstate 14k White Gold Star Sapphire & Diamond Ring. Synthetic star sapphire and natural diamond. Ring size 9.25 can be resizedSee 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
3 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$1
3 days LeftGermauArt Deco platinum 1.36 carats Old European cut diamond & sapphire bow brooch SKU-5119$1,500
Jun 20Modern JewelryVintage J.E. CALDWELL BRACELET STAR SAPPHIRE DIAMOND PLATINUM Original Box$13,500
4 days LeftSeized Assets AuctioneersAntique Two Tone 14k Gold Diamond & Synthetic Sapphire Open Filigree Bar Pin$1
Jun 12DOYLE Auctioneers & AppraisersPlatinum and Diamond Chain Necklace with Diamond and Synthetic Sapphire Pendant-Brooch$2,500
1 day LeftMynt Auctions14k White Gold Synthetic Blue Star Sapphire Ring with Diamond Accents - Size 7$680
Jun 15Hess Fine AuctionsArt Deco Platinum 5.35ctw Fine Diamond Natural Sapphire Antique Brooch 14K White Gold Pin$300(6 bids)