PLATINUM DIAMOND & SAPPHIRE NAVETTE RING

A vertical arrangement of three diamonds, approx. .15 ct. each, mounted in pierced and engraved platinum with millegrained edges, ca. 1930. Size 6 1/2. 3.6 dwt.

Navette Art Deco ring with rose cut diamonds and calibrated sapphires, in 18K yellow gold backed in platinum.

Pair of Art Deco-Style Diamond and Sapphire Drop Earrings platinum, each with a central old European-cut diamond within a ring of calibre-cut sapphires, in navette-shaped plaques set with round brilli

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:

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

Platinum Weight 3.74gr Measurements 0.68”x0.8” Diamond Approx 0.25ct Sapphire Ring Size 7.5

Platinum Weight 7.7g Diamond Approx. 0.93ct Sapphire Approx. 0.25ct Ring Size 7.5 Measurements 0.8”x0.7”

METAL: platinum. GEMSTONES: diamonds ( one stone is missing), sapphire. MEASUREMENTS: ring size 5.25. Ring top is 14.5 x 14.5mm. Ring center will keep approx. 6mm round stone. TESTED: platinum. WEIGHT

Art Deco Platinum Weight 4.3gr European Cut Diamond Approx. 0.4ct Sapphire Approx. 2.5ct Ring Size 6.5 Measurement 0.6Óx0.8Ó

METAL: Platinum. GEMSTONES: Diamonds approx. 0.50ctw. Sapphire - 5.9mm. MEASUREMENTS: Ring size 6 3/4, ring top is 5.9mm wide. MARKED: Tiffany & Co PT950, 28948999. WEIGHT: 5.2 grams.Gemstones hav

Deco Platinum Diamond & Sapphire Ring, two approx 3/4 ct each round mine cut diamonds and center sapphire stone in prong set hexagonal mounting with pierced sides basket. Stamped "JLK Plat". 3 DWT, si

Tested platinum navette ring set with Old European and Old Mine cut diamonds. Approximately .60 CTW. 3.4 grams. Size 5-1/2. In Bailey, Banks &; Biddle, Philadelphia, PA antique ring box.

FOR SALE IS THIS WOMENS VINTAGE ESTATE 18K GOLD PLATINUM DIAMOND SAPPHIRE RING. THE RING IS A SIZE 9.0 AND WEIGHS 11.8g. RING IS MARKED "18K, PT 900" WITH A MAKERS MARK "SGS". ANY OTHER QUESTIONS, PLE