A synthetic sapphire and platinum ring

Diamond, synthetic sapphire and platinum ring Centering (1) old European-cut diamond, weighing approximately 0.50 ct., accented by (10) old European-cut diamonds, weighing a total of approximately 0.1

A synthetic sapphire and platinum ringfeaturing a synthetic blue and white sapphire, each measuring approximately 7.60 x 4.28 and 7.80 x 4.30 mm, set within pierced and millegrained mounting; 2.30 dwt

Diamond, 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 Fr

(Lot of 2) Sapphire, diamond and platinum rings Including 1) cushion-cut sapphire, synthetic sapphire, diamond and platinum ring, size 5 (several stones are missing); together with 1) round-cut sapphi

Two old European cut diamonds approximately .25 carats each, with sixteen accent diamonds and four small triangle cut synthetic sapphires, the setting marked platinum, ring size 7, weight 6 grams. Pro

Sapphire (synthetic), Diamond and Platinum Ring. Sapphire cabochon 11.2mm x 9.2mm , surrounded by 26 round mine-cut diamonds totaling approx. 1 ct. (ETER2304){PR} Measurements: Size 5.5

(Lot of 3) Diamond, synthetic sapphire, gold and platinum rings Including 1) diamond, synthetic sapphire, platinum-topped and 18k yellow gold ring, size 5.25; 1) diamond, synthetic sapphire and 18k wh

containing 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 synthetic

SYNTHETIC SAPPHIRE AND DIAMOND RING Containing one octagonal mixed cut synthetic sapphire measuring approximately 14.85 x 11.75 x 6.30 mm and 24 single cut diamonds. Mounted in platinum. Ring size 8.

METAL: 18k Gold/Platinum. GEMSTONES: Diamonds approx. 1.44ctw. Synthetic Sapphire (tested RI=1.76-1.77. Stone is chipped/abraded)). MEASUREMENTS: Ring size 7 1/4, ring top is 17.4mm wide. TESTED: 18k,

This original Art Deco ring was handmade in 18k gold and platinum during the 1920´s. One cushion cut synthetic sapphire that weighs 3ctw approx. radiates from the center of this lovely piece. The c

METAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size - 5.75, ring top - 30mm x 20mm. GEMSTONES: Synthetic sapphire (RI tested 1.76-1.77) - 14mm x 9mm x 5.3mm, Diamonds - approx. 0.56ctw. TESTED: 18k/Pla

METAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size - 10, ring top - 16mm x 15mm. GEMSTONES: Center synthetic sapphire (RI 1.76-1.77) Stone is chipped/abraded. Diamonds - approx. 0.50ctw. TESTED: 18k/P

Platinum "pt 900" band with diamonds and "18k" yellow gold accents, 9.8 grams, "18K" white gold ring with two diamonds and synthetic Sapphire Stone, Yellow Gold Band, 9.0 grams 18K

estimated weight 1.40 ct, estimated colour I-J, estimated purity P. Flanked by two synthetic sapphires, trapeze cut. .

1) 14K yellow gold ring, with an oval synthetic sapphire center with diamond surround, sz 8, and 2) Platinum, Art Deco ring with 3 French cut sapphires, sz 4.75

Platinum Topped Gold and Gem-Set Ringthe platinum rectangular filigree mount centering on a bezel set old European cut diamond with rose cut diamond melee and with synthetic sapphire accents, testing

Size 5 1/4. 18K White Gold and Platinum 2.47ct Old European cut Diamond and synthetic sapphire ring, circa 1920's. Diamond measures 8.4 x 8.4 x5.22mm. Clarity SI2; Color H. Copy of Appraisal is availa

A 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 mea

VINTAGE LADY'S PLATINUM AND 14K WHITE GOLD RING, cushion-shape top set with a central synthetic sapphire surrounded by 16 mine cut or antique single cut melee diamonds, not marked. Diamonds: approxima

center old European cut diamond estimated weight 0.90ct., I-K, SI, 30 old European and rose cut diamonds estimated total weight 0.80ct., J-L, SI, synthetic blue sapphires, shank and gallery wire teste

center four round brilliant and 14 round brilliant and single cut diamonds estimated total weight 0.88ct., H-J, SI, two synthetic blue sapphires, remnant of stamp "PLATINUM" and hand inscribed "12 29"

19 old European cut diamonds estimated total weight 0.85ct., H-J, SI, 10 synthetic blue sapphires, remnant of stamp "Platinum", size 7-1/2, 4.2 grams - Provenance: A Virginia Collector

ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. Cushion shape rectangular synthetic sapphire weighing 3.50-4.00 ct. surrounded by 14 old mine cut diamonds together weighing appr