Art Deco brooch in platinum and diamonds, ca. 1930/1940. With central diamond, brilliant cut, color

Art Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -

Art Deco-Style Platinum, Diamond and Ruby Ring , central bezel set round brilliant cut diamond, wt. approx. 0.94 ct, G color, SI-2 to I-1 clarity, 6.30 x 6.30 x 3.90 mm; framework bezel and shoulders

Art Deco solitaire ring from the 1940s, made in platinum with a brilliant cut central diamond, weighing approximately 2.80 cts., Color J, clarity S1, set in 6 claws. Weight: 17.14 grs. Measurements: 1

Ladies platinum Art Deco brooch featuring an old mine cut diamond approximately 0.56 carats, Clarity-SI1, Color-H, accented by 72 round brilliant diamonds approximately 2.20 carats, Clarity-VS2, Color

DK Platinum & Diamond Necklace Circa 1920s· This is a must for any collector.· The weight is 8.9 grams.· The length is 42 inches. There are 0.80 points of round brilliant cut diamonds. The color is

Item: Estate Art Deco Sapphire Brilliant Diamond Cocktail Ring Date: post 1950 Metal: Platinum Diamonds: 9 brilliant cut diamonds (H - J color, SI2 - I clarity), 1.0 ctw, and 6 brilliant cut diamonds

With a total of approximate 4 carats of diamonds, the central diamond is marquis cut. The diamonds are I-J color SSI. Dimensions: 7" long, the approximate gross weight is 12.1 dwt.

In 18k white gold with a 0.35 Central Diamond and 0.85 ct brilliant cut diamonds in total.

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.

AN ART DECO PLATINUM, DIAMOND DOME FLORET LADY'S EVENING WEAR RING, the 0.5 cts. central brilliant cut prong set diamond issuing six petals in a stylized "Star of Bethlehem" motif each fitted with&#16

Lot of four cocktail rings, featuring diamonds. Constructed of 14 karat white gold or platinum.One size 5.25 white gold ring, unmarked, with three central round brilliant cut diamonds and 14 surroundi

This is an estate pair of earrings that was handmade in the Art Deco style from platinum with 18K closing levers. They are set with 8 brilliant cut diamonds (vertical line) of H color, SI clarity that

Art Deco style Diamond and Platinum Ring. Set in the center with a 2.01 carat old European cut diamond, K-L color, VS2 clarity. Accented with .95 carat TW round brilliant cut diamonds, E-F color, VS1-

Art Deco style Diamond and Platinum Ring. Set in the center with a 1.68 carat old European cut diamond, I-J color, VS1 clarity. Accented with .15 carat TW round brilliant cut diamonds, E-F color, VS1-

centering one round brilliant cut diamond [K/VS2] weighing approximately 0.92 carats total; 104 single and full cut diamonds [G-H/VS1-VS2] weighing approximately 1.40 carats total; 22 round cut and ro

Art Deco style Diamond and Platinum Ring. Set in the center with a 1.43 carat old European cut diamond, K color, VS2 clarity. Accented with .32 carat TW round brilliant cut diamonds, E-F color, VS1-VS

Art Deco style Diamond and Platinum Ring. Set in the center with a 1.02 carat round brilliant cut diamond, K-L color, VS1 clarity. Accented with .23 carat TW round brilliant cut diamonds, E-F color, V

Art Deco Style Platinum, Diamond, and Sapphire Ring, Tiffany & Co. the octagonal shaped mount centering on a round brilliant cut diamond with stated weight of 1.75 carats (G color, VS1 clarity) bezel

Group of four vintage openwork rings, all with diamonds.One marked 19 karat white gold and platinum openwork ring with a central round brilliant cut diamond, 6 surrounding round brilliant cut diamonds

Lambert Bros. Platinum Diamond & Sapphire Art Deco Brooch 1.5''x1.25. Includes an Old European Cut diamonds of 1.66ct, clarity VS-1 color K. Also an Old European Cut diamond of 1.05ct and a .15ct diam

An Art Deco Era Diamond & Platinum Ring. Pierced design with center round brilliant diamond, 6.50 mm x 4.23 mm, transitional old European cut, G/H color, VS1 clarity, with side diamonds approximately

Art Deco Diamond, Emerald, Platinum BroochCentering a marquise-shape diamond weighing approximately 0.50 ct., accented by one hundred fourteen marquise, pear, round brilliant and single-cut diamonds w

Art Deco style Diamond, Sapphire and Platinum Ring. Set in the center with a .70 carat round brilliant cut diamond, G-H color, VS1 clarity. Accented with .30 carat TW round brilliant cut diamonds, E-F

Art Deco style Diamond, Sapphire and Platinum Ring. Set with a .54 carat marquise cut diamond H-I color, VS1 clarity. Accented with .47 carat TW round brilliant cut diamonds, E-F color, VS1-VS2 clarit