Art Deco Platinum 2.40 Ct. Diamond & Sapphire Ring

ART DECO PLATINUM 1.58 CT DIAMOND SAPPHIRE RING w/ COA, circa 1935, with an open work design with fine millegrain accents, centered with three round Old European Cut diamonds, flanked by rose cut diam

ART DECO PLATINUM 1.58 CT DIAMOND SAPPHIRE RING w/ COA, circa 1935, with an open work design with fine millegrain accents, centered with three round Old European Cut diamonds, flanked by rose cut diam

ANTIQUE ART DECO PLATINUM MINE CUT DIAMOND RING WITH SAPPHIRE ACCENTS, C. 1920; APPROX. 1.0 CT CENTER STONE, COLOR H-I, CLARITY VS2-SI1; SIZE 7; 2.7 GRAMS TOTAL WEIGHT; PROVENANCE: PROPERTY OF G. LASH

and Sapphire Ring. Art Deco platinum ring with central 2.59 ct round brilliant cut diamond with a surround of pave diamonds and bands of sapphire accents. Accompanied by April 4th, 2018 GIA Report No.

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

SIGNED TIFFANY & CO. ART DECO PLATINUM, DIAMOND AND SAPPHIRE LOW DOME RING, early 20th century. Old European cut round diamond weighing approx 1.00 ct. Centered by two lines of six calibré-cut sapp

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 Platinum Ceylon Sapphire and Diamond RingWeighing 7.1 gramsSet with a GIA Certified 3.37 Ct. No-Heat Ceylon SapphireAlong with 20 Diamonds set in mounting weighing app. 0.60 Ct.G-I Color, VS1

Circa 1930's platinum ring, center bezel set round cabochon cut sapphire, approx. 4.10 ct., SI in Clarity (Type III), B in Hue, 8-9 in Tone, and 3 in Saturation. 4 square French cut diamonds , approx

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 SAPPHIRE AND DIAMOND 3-CLUSTER RING. In 18 ct. gold and platinum. Set with 3 blue sapphires totalling approx. 1.31 ct. and diamonds totalling approx. 0.90 ct. size M. 3.1 grams

Lady's White Platinum Art Deco Ring with Center 0.37 Ct old European Cut Diamond, Melee Diamonds and Sapphires,VS-1 Clarity, I color, Surrounded by 0.64 cts. smaller full cut diamonds and calibre cut

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.

Comprising three rings set with white or cognac OEC diamonds, weighing approx. .75 ct. TW, in pierced and millegrained filigree platinum or 18k white gold, two with synthetic sapphires, diamond melee,

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

Square emerald sapphire, approx. 3.5 cts. by formula, in strapped single cut diamond and platinum head on 18k white gold hoop, diamond melee approx. .55 ct. TW, France, ca. 1930. French control marks

Art-Deco Ring with diamonds and sapphires, YG 750/000 and platinum tested , approx. 1930, 1 old cut-diamond approx. 0.15 ct Wesselton/p 2, bevelled sapphires total approx. 0.10 ct (2 st. missing) diam

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

PLATINUM & DIAMOND ART DECO STYLE RING Platinum art deco style ring with an arthritic shank, includes: Approximately .25 ct European cut diamond Accented by a trillion cut blue sapphire on each side

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

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

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