A platinum ring set with about 2.50ct white diamonds, the central diamond in an old polish estimated

One ladies platinum diamond ring set with one center Old European cut diamond measuring 7.3mm in diameter and 4.38mm in depth, calculated to weigh 1.50 carats with an estimated color grade of K and es

Estimated weight of 0.20 ct. set in chaton and flanked by triangles of synthetic sapphires. .

the old round brilliant cut diamonds double claw set to a fancy coronet gallery, plain shank size P, unmarked white metal tests for platinum, total estimated weight of diamonds approximately 2.20cts

Art Deco platinum ring set with a central panel of (3) Old European cut diamonds surrounded by (8) single cut diamonds. Central diamond measures approx. 4.5mm; flanked vertically by (2) diamonds measu

The Platinum ring is set with a large and impressive 2.7 ct old cut diamond(SI2 I-K) Three princess cut diamonds flank the central diamond on each side. weight: 7.4 grams US ring size: 8

Emerald solitaire ring set in 18k white gold with platinum top. One emerald cut stone (4.35 x 3.65 x 2.7mm), size 5; together with one pair of stud earrings set with central diamond surrounded by twel

pendant, ART-DECO 1920/'30s, yellow gold 585/000, central old-cut diamond c. 0.15 ct, directly around the setting 13 sapphires, in the outer garland 8 more diamonds white, all stones set in platinum ,

Formed by a central old cut diamond estimated at 0.45 ct. surrounded by calibrated sapphires. .

Ring. Art Deco platinum ring set with Old European cut diamonds, and (3) panels of sapphire accents. (3) central diamonds measure approx. 4.3mm. Ring size - 6 1/2. Total approx. weight is 3.6 dwt. Fro

marked 14K and Aileen, 1/2 ct; along with a platinum ring set with old European cut diamond, approx. .65 ct with (3) small diamonds to either side; and a 14K white gold ring, the center diamond approx

A central diamond in an old European cut measures approximately .375 carats with two .02 diamonds above and below, and 52 .01 carat accent diamonds, estimated .975 CTTW, marked 'Plat' inside the band.

Antique Old European Cut diamond and platinum ring set with Approx. 3 carats total weight diamonds, designed as 2 central round Old European Cut diamonds set side by side, "Toi et Moi" , with surround

Art Deco platinum and diamond ring, set in the center 1 with an old European-cut diamond weighing approximately 1.15 carats and with an estimated color and clarity grade of "I-J, VS1", within a domed

Diamond Ring. Signed Lambert Bros. platinum ring displaying a central bezel set Old European cut diamond with a surround of (28) round faceted diamonds. Center diamond measures approx. 5.0mm. Stamped

An Art Deco diamond and platinum ringof navette form, set with old mine-cut diamonds; estimated total diamond weight: 1.75 carats. 2.3 dwt; size: 6 1/4

Circa 1920. Art Deco Platinum Ring set with a center Oval shaped Old European cut Diamond Approx. 0.40 carats. K color, VS2 clarity. Surrounded with white Old mine and Rose cut Diamonds weighing Appro

estimated weight 1.40 ct, estimated colour I-J, estimated purity P. Flanked by two synthetic sapphires, trapeze cut. .

Art Deco platinum filigree ring displaying a central bezel set Old European cut diamond surrounded by (8) round faceted diamond accents and pierced detailing. Center stone measures approx. 5.0mm. Stam

Platinum Art Deco ring featuring two central old European cut diamonds, weighing approx. 0.20 ct each, average SI1 clarity and average H-I color, additional old European cut diamonds set throughout fi

Stunning Art Deco .92 Old Mine Cut Diamond Sapphires Platinum Ring. This is an amazing ring set with a fiery white old mine modified oval round diamond and sapphires set in platinum. The center diamon

14k white gold Art Deco style square filigree ring set with one central old European cut diamond and 12 single cut diamonds. Marked 14k along the shank.Ring size: US 7.5. Gross weight: 2.7 grams.

This ring features a central old mine cut diamond set into the center of a platinum star atop a cobalt blue enamel dome. The center stone is accented by rose cut diamonds set into the platinum star an

Garnet and diamond cluster ring, central oval cut garnet, surrounded by round cut diamonds and diamond set shoulders, mounted in white metal tested as platinum, ring size K1/2, approximate weight 2.5

3.25 CARAT DIAMOND THREE STONE RING in platinum or white gold, set with a trio of old round cut diamonds of 1.45, 0.95 and 0.85 carats, unmarked, size M / 6.25, 4.3g.