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
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
Sold202216.46ct Star Sapphire Diamond 14k White Gold Ladies Cocktail RingThis beautiful vintage ring is crafted from 14k white gold featuring a high gallery oval shape bridge with round scallop edge and milgrain decor frame. The center has a gorgeous Star Sapphire held secSee Sold Price
Sold2016ART DECO STAR SAPPHIRE, DIAMOND & PLATINUM RINGAn oval star sapphire cabochon, 23.20 cts. by formula, in strapped platinum and single cut diamond setting with baguette cut diamond shoulder, approx. .80 ct. TW. Ca. 1930. Stamped 10% Irid. Platinum.See 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
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
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
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
Sold2018Blue Star Sapphire Diamond Gemstone, Platinum RingLadies vintage diamond and star sapphire ring. Features an oval blue star sapphire cabochon with three round cut and prong set diamonds set around the 9mm x 7.5mm x 7.25mm cabochon. Size 6. Weighs 4.7See Sold Price
Sold2018Ladies 14K Linde Star and Diamond RingA ladies ring with central Linde blue star sapphire cabochon surrounded by 14 diamonds in a marked 14K white gold ring setting. Ring size 6-1/2. 3.2 dwt.See Sold Price
Sold2017Ladies Platinum Art Deco-Style Star Sapphire RingLadies vintage Art Deco-style platinum ring with oval cabochon star sapphire approximately 18 x13mm, fair very light grey-blue color, good star, eye clean, with two marquise diamonds approximately .35See Sold Price
Sold2021Vintage 18k Gold & Star Sapphire Ladies RingDESCRIPTION: Vintage 18kt 2 tone gold ladies ring featuring a Star Sapphire at the center surrounded by 15 0.15ct old miner VS diamonds in a white gold top setting. The ring is a rose gold color finisSee 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
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
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
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
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
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
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
Sold20206.92ct Star Sapphire Diamond Platinum RingPlatinum ring with oval 6.92ct star sapphire cabochon, and 0.29ctw in diamonds. Ring size - 6, ring top is 10.5mm. Marked: 6.92, Pt900, D029. Weight - 5.9 grams.See Sold Price
Sold2022GIA 2.55 CARAT NATURAL STAR SAPPHIRE DIAMOND PLATINUM BALLERINA RINGCrafted in solid heavy Platinum, the center is adorned by a GIA certified Natural untreated Star Sapphire weighing approximately 2.56 carats. Accompanied by a GIA Report N#2215624863 & an official appSee 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
2 days LeftRiverside GalleriesPlatinum Setting with 14.39ct Star Sapphire and 0.37ct Diamond Ladies RingUS$50
6 days LeftRiverside GalleriesPlatinum Setting with 14.39ct Star Sapphire and 0.37ct Diamond Ladies RingUS$50
384 Lots AwayRiverside GalleriesPlatinum Setting with 2.18ct Sapphire and 0.45ct Diamond Ladies RingUS$50
24 hrs LeftRiverside GalleriesPlatinum Setting with 7.45ct Sapphire and 1.0ct Diamond Ladies RingUS$50
24 hrs LeftRiverside GalleriesPlatinum Setting with 14.3ct Sapphire and 0.56ct Diamond Ladies RingUS$50
2 days LeftRiverside GalleriesPlatinum Setting with 4.9ct Sapphire and 0.87ct Diamond Ladies RingUS$50
2 days LeftRiverside GalleriesPlatinum Setting with 1.51ct Sapphire and 0.90ct Diamond Ladies RingUS$50
2 days LeftRiverside GalleriesPlatinum Setting with 0.95ct Sapphire and 1.03ct Diamond Ladies RingUS$50
3 days LeftRiverside GalleriesPlatinum Setting with 0.80ct Sapphire and 0.85ct Diamond Ladies RingUS$50
3 days LeftRiverside GalleriesPlatinum Setting with 1.26ct Sapphire and 0.31ct Diamond Ladies RingUS$50
4 days LeftRiverside GalleriesPlatinum Setting with 2.18ct Sapphire and 0.45ct Diamond Ladies RingUS$50
5 days LeftRiverside GalleriesPlatinum Setting with 7.45ct Sapphire and 1.0ct Diamond Ladies RingUS$50
5 days LeftRiverside GalleriesPlatinum Setting with 14.3ct Sapphire and 0.56ct Diamond Ladies RingUS$50
6 days LeftRiverside GalleriesPlatinum Setting with 0.95ct Sapphire and 1.03ct Diamond Ladies RingUS$50
6 days LeftRiverside GalleriesPlatinum Setting with 1.51ct Sapphire and 0.90ct Diamond Ladies RingUS$50
6 days LeftRiverside GalleriesPlatinum Setting with 4.9ct Sapphire and 0.87ct Diamond Ladies RingUS$50
71 Lots AwayRiverside GalleriesPlatinum Setting with 2.16ct Pink Sapphire and 0.77ct Diamond Ladies RingUS$50
2 days LeftRiverside GalleriesPlatinum Setting with 7.49ct Yellow Sapphire and 0.45ct Diamond Ladies RingUS$50
4 days LeftRiverside GalleriesPlatinum Setting with 2.16ct Pink Sapphire and 0.77ct Diamond Ladies RingUS$50
6 days LeftRiverside GalleriesPlatinum Setting with 7.49ct Yellow Sapphire and 0.45ct Diamond Ladies RingUS$50