Sold20151950s Platinum Star Sapphire Diamond Cocktail RingStar sapphire measures 12.5mm x 10.3mm. Ring size 4. Marked Plat, weighs 8.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated othSee Sold Price
Sold2015VINTAGE PLATINUM, STAR SAPPHIRE & DIAMOND RINGVintage ladies platinum, star sapphire and diamond estate ring; (1) natural star sapphire corundum, oval cabochon-cut, weighing approx 24.63cts, tone: medium dark, saturation: grayish, hue: blue, theSee Sold Price
Sold20161950s 14K Gold Star Sapphire Diamond RingDiamonds, Star sapphire has cracks in it. Ring size 5.75. Ring top measures 15.6mm x 14.8mm. Tested 14K. Weight - 4.6 grams. Shank is broken. Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold2017c1950 Gran & Co Inc 14K Eastern Star RingLovely 1950s 14K gold Eastern Star ring by Gran & Co Inc. Ring center is a diamond with the 5 point star of various gemstones, ruby, sapphire, emerald, citrine and amethyst. Marked on inside GRAN 14K,See Sold Price
Sold2022Men's Mid Century Platinum, Star Sapphire & Diamond Ringsize 13 ring; the blue-gray star sapphire measures 21 x18 x13.9 mm with an estimated weight of 58 carats; sapphire displays natural color zoning and cracks are present in the crown and pavilion side wSee Sold Price
Sold2023Art Deco Platinum Star Sapphire & Diamond RingArt Deco Platinum 10.79ct. Blue Star Sapphire & 0.86ct. Diamond Ladies Ring. Size approx. - 4 - 4 1/2. Star sapphire - 12mm x 9mm x 9.25mm, weighing approx. 10.79ct. Sapphire is of slightly violetSee Sold Price
Sold2018Estate Platinum Sapphire & Diamond RingEstate Platinum Sapphire & Diamond Ring. Set with an oval cut sapphire of approximately 2.5 carats as well as baguettes of approximately .25 total carat weight. Ring size 6.75can be resized.See Sold Price
Sold2022TIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RINGTIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RING Centering an oval star sapphire cabochon weighing approximately 16.30 carats, accented by round and trapezoid-shaped diamonds weighing approxiSee Sold Price
Sold2023Platinum, Star Sapphire, and Diamond RingPlatinum, Star Sapphire, and Diamond Ringthe round cabochon star sapphire (13.62 x 12.16 x 7.20 mm) weighing approximately 12.83 carats prong set within a halo set with full cut round diamonds weighinSee Sold Price
Sold2016Estate Antique Platinum Sapphire & Diamond RingEstate Antique Platinum Sapphire & Diamond Ring. Set with sapphire at center (stone with surface abrasions) surrounded by round cut white diamonds. Period Art Deco setting. Apparently unmarked. Ring sSee Sold Price
Sold2022A platinum, star sapphire and diamond ringPlatinum; Stamped: 10% Irid P / Plat Centering an oval star sapphire gauged at 11.3mm x 9.7mm x 5.15mm flanked on either side by two old European-cut diamonds totaling approximately 0.30ct. and gradeSee Sold Price
Sold2021Platinum Star Sapphire Cabochon Diamond RingPlatinum ring, with center 11.3 x 9.7 x 9.5mm star sapphire cabochon, surrounded with approx. 0.12ctw in diamonds. Ring size - 5.5, ring top - 12mm wide. Weight - 7.3 grams.See Sold Price
Sold2024ESTATE PLATINUM 1.25CT BLUE SAPPHIRE & 0.62CTTW DIAMOND RINGEstate platinum sapphire and diamond ring, center oval blue sapphire, approx 1.25ct, ten round diamonds, approx 0.62cttw, average color: H-I, average clarity: VS, hallmarked 10% IRID. PSee Sold Price
Sold2022Platinum 5.31 CTW Star Sapphire & Diamond RingRef:2022904080 Gold Content:Platinum For people:Women Total Item Weight :6.99grams Ring Size:7.25US Main Stone:Star Sapphire Number of stones:1 Shape:Oval Carat Total Wt:4.38ct Color:Purple Cut GradeSee Sold Price
Sold2023ESTATE PLATINUM CABOCHON STAR RUBY & DIAMOND RINGEstate platinum ring, natural cabochon star ruby, approx 2.50ct, framed by eighteen single cut diamonds, approx 0.25cttw, average color: H-I, average clarity: SI, inside shank hallmarked PLAT, approxSee Sold Price
Sold2023Platinum Purple Star Sapphire & Diamond RingDESCRIPTION: Platinum (stamped PT900) setting with center purple star sapphire cabochon, approximately 4.2 carats (9.7mm x 8.6mm x 4.7mm) surrounded by ten round brilliant cut diamonds and eight channSee Sold Price
Sold2024Platinum 8.45ct Star Sapphire Cabochon Diamond RingMetal : Platinum Designer : Not Signed Gemstone : Star sapphire cabochon 8.45ct, Diamonds 0.58ctw. Measurements : Ring size 6.5, top is 11.5mm wide. Marked: : pt900, 058, 8.45.See Sold Price
Sold2017Deco Platinum, Star Sapphire & .6 CTW Diamond RingDESCRIPTION: Tested platinum deco setting with center white natural star sapphire, approx. 9mm x 8mm. Surrounded by thirty-four round diamonds and six baguette diamonds, approx. .62 CTW (clarity SI toSee Sold Price
Sold2015Lady’s Platinum Purple Star Sapphire Diamond DinnerLady’s platinum purple star sapphire diamond dinner ring. Cabochon measures 15.2 x 13.6 x 10 1/2mm tall. Set with 10 round full-cut diamonds, 8 round single-cut diamonds, 10 straight baguette cut diSee Sold Price
Sold2016LADIES ESTATE LEVIAN PLAT TRILLION SAPPHIRE RINGLadies estate LeVian platinum sapphire and diamond ring, comprising: (1) trillion cut natural sapphire stone, approx. 6mm x 6mm x 0.85mm; flanked by (2) round cut diamonds, approx. 0.10cttw; and (2) rSee Sold Price
Sold2017A PLATINUM AND STAR SAPPHIRE AND DIAMOND LADY'S RING,A PLATINUM AND STAR SAPPHIRE AND DIAMOND LADY'S RING, the mounting centering one cabochon cut gray/blue star sapphire measuring approximately 17.50 x 13.50 x 8.40 millimeters with an approximate weighSee Sold Price
Sold2023Vintage Retro Star Sapphire Platinum Diamond Ring Size 6This is a vintage retro platinum ring featuring a large star sapphire accented by round brilliant and baguette cut diamonds. The diamonds are VS clarity and GH color. The ring is a size 6 US and it weSee Sold Price
Sold2016Estate 14kt White Gold Star Sapphire Diamond RingEstate 14kt White Gold Star Sapphire Diamond Ring. Hallmarked. Having a cabochon cut pear shape star sapphire with a halo of round cut white diamonds. Ring size 7, can be resized. Weighs approximatelySee 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
Jun 09Austin Auction GalleryESTATE CUSTOM PLATINUM, 10CT SAPPHIRE & 2.5CTTW DIAMOND RING$2,250(2 bids)
4 days LeftRiverside GalleriesPlatinum Setting with 14.39ct Star Sapphire and 0.37ct Diamond Ladies Ring$50
4 days LeftJasper52Vintage 1960s Blue Lab-Created Star Sapphire Diamond Ring 14K White Gold 6.07 Gr$700
4 days LeftJasper52Vintage 1940's Lab-Created Star Sapphire Diamond Ring 14K White Gold, 10.15 Gram$2,000
13 hrs LeftEric's Estate & JewelryNatural Black Star Sapphire and Diamond Ring in 14k Yellow Gold$485
13 hrs LeftEric's Estate & JewelryNatural Black Star Sapphire and Diamond Ring in 14k Yellow Gold$920
13 hrs LeftEric's Estate & JewelryNatural Black Star Sapphire and Diamond Nugget Ring in 14k Yellow Gold$1,000
4 days LeftJasper52Vintage 1940's 1950's Round Blue Sapphire Diamond Ring 14K Yellow Gold, 3.20 Gr$700