Art Deco Plat. Star Sapphire and Diamond Ring, C1940.

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.

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

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

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.

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

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

Title: GIA 27ct No Heat Natural Blue Star Sapphire Diamond Ring 14k White Gold Art Deco 1930s Description: A large, translucent natural star sapphire ring complete with a GIA report to verify it has

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

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

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.

AN ART DECO PURPLE SAPPHIRE AND DIAMOND RING in platinum, set with a round cut purple sapphire of approximately 5.59 carats, the stepped shoulders set with baguette cut diamonds, stamped PLAT, size P

Platinum art deco ring featuring sapphire cabochon and tapered baguette diamonds. Ring size 6 1/2, top measures 12mm at widest point. Marked plat. Weight is 6.4 grams.

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

Platinum; Stamped: 10% Irid Plat Centering an oval mixed-cut sapphire gauged at 11.38mm x 8.46mm x 4.98mm weighing approximately 3.85cts. flanked on either side by a pair of triangular-cut, baguette-

set with an oval star sapphire approx. 14x12mm, overall height 17mm, flanked by 2 bezel set (15pt) diamonds, in white gold, stamped 14K, good condition (some gold scuffs), size 10, 18.2gms.

METAL: Platinum. GEMSTONES: Diamonds approx. 0.50ctw. Sapphires. MEASUREMENTS: Ring size 5 3/4, ring top is 27mm wide. TESTED: Plat. WEIGHT: 6.7 grams.Gemstones have not been graded for color and clar

METAL: Platinum. MEASUREMENTS: Ring size 3.75, top is 15.6 x 11.4mm. GEMSTONES: Sapphire (stone is chipped/abraded), Diamonds approx. 1.00ctw. MARKED: Irid. Plat. WEIGHT: 4.8 grams.Gemstones have not

Metal : 14k Gold shank/ Platinum top Designer : Not Signed Gemstone : Diamonds approx. 0.75-0.80ctw, Sapphires Measurements : Ring size 6, top is 23mm x 18mm Marked: : Plat, 14k

Metal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 1.20ctw, Sapphires (few chipped stones) Measurements : Ring size 8, top is 25mm wide Marked: : Tested plat Weight

Metal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.24ctw, Sapphires Measurements : Ring size 3, top is 9.5 x 9.5mm Marked: : plat (polished off), 9-213 Weight:

Platinum ring featuring sapphire and approximately 0.60ctw of diamonds. Ring size 4. Measures 2mm wide. Tested plat. Weight is 2.8 grams.

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

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

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