Art Deco, Star sapphire, diamond, and platinum ring

An 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.

Oval star sapphire, 31 cts. by formula, with baguette and single cut diamond strapped shoulders, melee approx. .45 ct. TW, ca. 1935. Size 8 3/4. 8.5 dwt.

Art Deco 25.75 Carats Star Sapphire & Diamond Platinum Dome Ring Size 4 This is a stunning Art Deco ring, it is crafted from platinum featuring a high dome shape star sapphire mounted on a round frame

Art 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 violet

Title: Very Art Deco 12ct Natural Blue Star Sapphire 2ctw Ultra Clean White E-F Color Diamond Platinum Ring 1930s Description: An approx. 12ct cabochon of natural blue star sapphire, framed in 2ctw

centering 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 total

Antique Art Deco blue star sapphire cabochon ring in tested platinum with diamond accents; 15mm stone; size 4; 6.7 grams

A Platinum art deco filigree diamond ring, set with a star sapphire cabochon 5.1mm, 2-3.4mm; 19 rose cut accent diamonds, and one single cut. Sz.9.5, 3.5 Dwts. Unmarked metal, testing as platinum. The

A Rare Vintage Art Deco Platinum and Diamond Ring, set with a natural lavender cabochon star sapphire flanked by (4) graduated old European cut diamonds on each side, with engraved bezel. Size 3 1/2.

Ladies 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 .35

FINE ART DECO PLATINUM/DIAMOND COCKTAIL RING W/ APPROX. 3.8 CT LAVENDER STAR SAPPHIRE W/ 1CT. TRILLION, BAGUETTES & D SHAPED DIAMONDS, C. 1920, WEIGHT 12 GRAMS, SIZE 6 Serial Number inside ring by the

A fine six point star oval cabochon gem weighing 17.36 carats with baguette diamonds on each side totaling .25 carat, high grade, a scarce large gem, Art Deco era, with appraisal of $10,550.00, curren

With octagonally set OEC diamond, approx. .75 ct., in platinum filigree; Rectangular aquamarine, approx. 2.2 cts., in engraved 14k white gold; Cabochon star sapphire, 5 cts. by formula, and four RBC d

Art Deco Cabochon Sapphire and Diamond in Platinum Ring. Cabochon Sapphire measures 6 x 3mm Diamond total weight approx. 0.36ct Ring Size: 6 Total Weight: 5.5 g

Ring size - 9, ring top is 13mm x 20mm. Decorated with sapphires (stones are abraded) and old mine cut diamonds - approx. 1.00ctw. Tested plat. Weight - 4 grams.Gemstones have not been graded for colo

Art Deco Star Ruby, Diamond, Platinum Ring. Featuring one oval shaped star ruby double cabochon weighing approximately 2.60 cts., flanked by six baguette-cut diamonds weighing a total of approximately

Art Deco Kashmir sapphire, diamond and platinum ring Centering (1) oval-cut Kashmir sapphire, weighing approximately 2.30 cts., accompanied by an AGL Report #1092955, Dated June 21, 2018, stating Kash

A natural 6.36 carat sapphire that has been GIA certified as Ceylon origin with no indications of heat treatment or any other type of enhancements. The sought after cornflower blue oval cut sapphire h

Title: Art Deco Sapphire Diamond Ring Platinum Vintage .60 TDW Additional Information: This beautiful vintage Art Deco ring is finely crafted in luxurious Platinum and set with old mine cut diamonds a

Art Deco style Sapphire Diamond and Platinum Ring. Set in the center with a large oval cut lab-created sapphire accented with approx 1.50 carat TW round brilliant cut natural diamonds and round and ba

Art deco ring with center European cut diamond, approximately 1 ct (H-VS1), flanked by calibre cut sapphires & single cut diamonds. Set in platinum, tested. Size is 4.5 and weight is 5.5 grams. Condit

Metal: Platinum Gram Weight: 4.4 Stones: 10 Square Cut Sapphires, 0.81ctw~ 27 Old European Cut Diamonds Circa: Art Deco Condition: Excellent Dimensions: Ring Size 6 *This merchandise can take up 5 to

An Art Deco Era Diamond & Platinum Ring. Filigree setting with two diamonds at the center, one an Old European cut diamond that is approximately 0.25 ct and the other a round brilliant cut diamond tha

Art Deco Burma Sapphire, Diamond, Platinum Ring Stones: Octagonal-shaped Burma sapphire weighing approximately 8.85 carats; European and single-cut diamonds weighing a to