An Art Deco diamond dress ring, circa 1920, the navette-shaped cluster with a central kite shape

A FRENCH ART DECO DIAMOND DRESS RING in platinum, the navette shaped face set to the centre with an old mine cut diamond of 0.70 carats between two old mine cut diamonds, accented by further rose cut

ART DECO SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1930 The central band of calibré-cut sapphires between rows of single and brilliant-cut diamonds, diamonds approx. 0.90ct total, ring size approx.

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

Vintage Estate Platinum Diamond Sapphire Art Deco Ring Vintage / Estate 14k White Gold Art Deco Ring with a center round Sapphire and surrounding mix-shape Diamonds. Antique, circa 1920's, one-of-a-ki

Pair of Art Deco-Style Diamond and Sapphire Drop Earrings platinum, each with a central old European-cut diamond within a ring of calibre-cut sapphires, in navette-shaped plaques set with round brilli

Millegrained and hand engraved OEC diamond set scrolls radiate from central marquise cut diamond cluster tipped by synthetic calibrated emerald chevron, diamonds approx. .40 ct. TW, ca. 1920. Marked p

ART DECO 14K WHITE GOLD AND JADE LADY'S RING, marked, filigree setting with 10.5mm x 19.5mm jade inset featuring a central melee diamond. Total weight: 3.3 grams. Circa 1920. Approximate 5 ring size.E

Circa 1920/30. Art Deco Filigree Ring crafted in Platinum and 18k yellow Gold, set with a center Oval-shape Natural Blue Sapphire Approx. 0. 25 carats. Along with Rose cut Diamonds weighing Approx. 0.

Art Deco Platinum Transitional Cut Diamond Ring Description Chloe The Chloe ring is an authentic vintage engagement ring from the Art Deco era circa 1920. This ring centers one transitional cut diamon

Central OEC diamond, 3.16 cts. by formula, flanked vertically by two OEC diamonds, approx. .50 ct. each, surrounded by diamond melee shoulders, approx. .26 ct. TW, set in millegrained platinum navette

AN UNHEATED VIOLET SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a central oval cut violet sapphire of 2.02 carats, within a navette border set with clusters of marquise and round brill

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

AN ART DECO DIAMOND DRESS RING in platinum, set with an old cut diamond of 2.20 carats, between pairs of old cut diamonds, French assay marks for platinum, size L / 5.5, 5.8g.

ART DECO DIAMOND RING, CIRCA 1930 The old brilliant-cut diamond, weighing 1.86cts between single-cut diamond geometric shoulders, hoop misshapen, ring size approx. P

SPINEL AND DIAMOND RING, CIRCA 1920 The cushion-shaped spinel, the gallery and shoulders millegrain-set with brilliant-cut diamonds, spinel approximately 2.80 carats, ring size L½ Footnotes: Acc

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut blue sapphire of 5.88 carats, between stepped shoulders set with baguette cut diamonds, stamped Platinum, size N / 6.75

A SAPPHIRE AND DIAMOND DRESS RING The central cushion-shaped sapphire weighing 5.59cts within a four-claw setting and between half-moon-shaped diamond shoulders, mounted in 18K gold, diamonds approxim

ART DECO JADE AND DIAMOND EARRINGS, BROOCH AND RING, CIRCA 1920 1st: Each earring with an openwork surmount of geometric design, set with single-cut diamonds, suspending a jadeite jade plaque carved t

Stunning Art Deco Platinum and Diamond Cartier Drop Earrings in their original case, circa 1920's. Earrings consist of 2 old European cut diamonds weighing approximately 1.00ct total, 36 old European

ART DECO DIAMOND BROOCH/CLASP, CIRCA 1935, AND TRIPLE ROW CULTURED PEARL NECKLACE The openwork geometric plaque set throughout with cushion-shaped and old brilliant diamonds, with step and baguette-cu

An Art Deco diamond and platinum clip/brooch set with circular-cut, kite-shaped, emerald-cut, and calveshead diamonds; estimated total diamond weight: 8.00 carats, all within an openwork setting. (15.

Art Deco Burma Ruby, Diamond, Platinum Ring The ring features an oval-shaped ruby measurin

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

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