A platinum diamond and sapphire dress ring

TIFFANY & CO. - a platinum sapphire and diamond dress ring. The circular-shape sapphire, with marquise-shape and brilliant-cut diamond stylised petal sides. Signed Tiffany & Co. Estimated total diamon

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut blue sapphire of 5.88 carats, between stepped shoulders set with baguette cut diamonds, stamped Platinum, size N / 6.75

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fu

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40 carats, accented by French cut sapphires and round brilliant cut diamonds, further round brilliant

AN ART DECO DIAMOND AND SAPPHIRE DRESS RING in yellow gold and platinum, of target design, set with a cluster of old European cut diamonds, within a border of calibre cut blue sapphires, with further

A diamond and sapphire dress ring. The old-cut diamond, within a rose-cut diamond panel and calibre-cut sapphire border, with later applied platinum rose-cut diamond accent side band. AF. Principal di

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut sapphire within two concentric rows of round brilliant cut diamonds, each shoulder set with a trio of round brilliant cut diamonds,

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

A SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1940 in 18ct yellow gold and platinum, set with a step cut blue sapphire within a border of round cut diamonds, stamped 18ct Pt, size K / 5.25, 3.9g.

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

Art Deco Platinum Weight 11.28gr Measurements 0.68”x0.78” Diamond Approx 2.08ct Vs1 Center Cabochon Sapphire Approx 2.5ct top and Bottom Approx 0.5ct TW 3ct Ring 6.5

c. 1915 platinum ring featuring 12 main old European cut diamonds weighing approx. 4.00 ctw set in an elongated rectangle with 14 additional smaller diamonds set in between large ones and down the sha

Art Deco Platinum Weight 3.9gr Diamond 1.4ct Si1 K Measurements 0.68”x0.75” Sapphire Ring 6

Platinum Weight 3.5g Oval Diamond Approx. 0.64ct Sapphire Approx. 0.25ct Ring size 7 Ring Measurements 0.9”x0.8”

METAL: platinum. GEMSTONES: center marquise cut diamond-approx. 1.10ct, approx 30 side diamonds, blue sapphires. MEASUREMENTS: ring size 6. Ring is 13.5mm at widest point. MARKED: Irid Plat. WEIGHT: 1

Art Deco Platinum Weight 3.9gr Diamond 1.4ct Si1 K Measurements 0.68”x0.75” Sapphire Ring 6

Metal : Platinum Designer : Not Signed Gemstone : Sapphire approx. 3.34ct (measures approx. 10.3 x 7.8 x 4mm), Diamonds approx. 0.50ctw. Measurements : Ring size 7, top is 18mm wide. Marked:

A handmade and high polished Edwardian platinum dress or wrist watch, circa 1915, set with seventy eight (78) total natural old European and old mine cut bead set diamonds (color range: I-J, clarity r

Platinum Weight 4.26g Diamond Approx. 0.5ct Sapphire Approx. 1.70ct Ring Size 6.5 Measurements 0.5”x0.8”

Platinum Weight 4.3g Diamond Approx. 1.23ct I2 Sapphire Approx. Ring Size 6.5 Measurements 0.5’x0.78”

Art Deco Platinum Weight 7.8gr Diamond Approx 0.45ct Sapphire Approx 0.5ct Measurements 0.85”X0.75” Ring Size 7

TIFFANY & CO. Platinum Weight 4.6gr Diamond 0.3ct Blue Sapphire 0.4ct Measurements 0.8"x0.15" Band Ring Size 6

Platinum Weight 4.3gr Measurements 0.6”x0.6” Diamond Approx 1.07ct VVs H Sapphire Ring Size 7

METAL: platinum. GEMSTONES: diamonds, sapphire (RI tested 1.76). MEASUREMENTS: ring size 4.25 ( with sizing shank). Ring top is 11.5mm at widest point. MARKED: 10% Irid Plat. WEIGHT: 4.3 grams.Gemston