An Art Deco sapphire and diamond stick pin, featuring an old mine-cut diamond above a circular-cut

DECO PLATINUM EUROPEAN CUT DIAMOND SAPPHIRE STICK PIN An Outstanding Antique Art Deco Platinum Old European Cut Diamond Sapphire Stick Pin, circa 1925, shines front and center with a bright and spark

Featuring two old European cut diamonds weighing a total of approximately 0.50 cttw. and eighty-two rose cut diamonds ranging in size from approximately 1.0 to 1.2 mm, framing fifteen rectangular step

An Art Deco diamond, sapphire and platinum ringof geometric design, featuring an old European-cut diamond, weighing approximately 0.45 carat, flanked by circular-cut sapphires, framed by transitional-

ART DECO 14kt WHITE GOLD STICK PIN WITH 25 POINT ROUND CUT DIAMOND SURROUNDED (14) SMALL SQUARE CUT SAPPHIRES - 1.7grams WITHOUT NOT GOLD PIECE - 2 3/4" LONG

Art deco platinum diamond and emerald stick pin, platinum mounting set with Old European cut diamonds; approx: 0.43 carats total weight, color: I-J, clarity: SI1-SI2, also set with calibre-cut emerald

14K white gold ring featuring two old European cut diamonds, weighing approx. 0.70 ctw, average I-J color, average VS clarity, and one round cut sapphire, set in milgrain frames, pierced openwork gall

Art Deco gold and diamond stick pins, two left to right: 1) platinum, 14K yellow gold, 0.20 carat round brilliant cut diamond (clarity: VS2, color: G), 0.50 cttw single and old European cut diamonds (

White Gold Art Deco Diamond and Sapphire Stick Pin. Unstamped. Mounted in center is a single European Cut diamond weighing approximately 0.50ct. With 6 brilliant cut diamonds in a floral pattern weigh

Platinum Art Deco bracelet featuring three main old European cut diamonds, weighing approx. 1.40 ctw, average I-J color, average VS clarity, French cut sapphires, and additional old European cut diamo

ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 The openwork geometric plaque millegrain-set throughout with old brilliant and single-cut diamonds, accented by circular-cut sapphires, diamonds approx

14K yellow gold starburst stick pin featuring an Old European cut diamond weighing approx. 0.20 ct set in the center of seed pearlstart burst, 1.25 in. W, 6.1 grams

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

A filigree pendant crafted in 14k white gold featuring (13) old mine cut diamonds weighing approximately .90cttw with a color of I and a clarity of I1. There are (40) sapphires weighing approximately

A lovely, vintage white gold and platinum stick pin featuring an approximately .18ct old European cut diamond and six single cut white diamonds, as well as two invisible set calibre sapphires on each

Art Deco Old European Cut Diamond, Square Rose Cut Sapphire and 14 Karat Yellow Gold Bar Pin. Stamped 14K. Measures 2-5/8" L, 1/4" W. Approx. weight: 4.9 grams. Condition: Very good antique condition.

Antique Art Deco 18k and Platinum Diamond and Sapphire Ring Featuring one central old mine cut diamond of H-SI1 quality that weighs 0.15ctw, this lovely heirloom was handmade during the Art Deco perio

This is an antique Art Deco 10K white gold filigree brooch pin featuring a transitional cut diamond flanked by two sapphires.The clarity is VS and the color is GH. 1 5/8 x 3/8". It weighs 2.3g. The di

This is an antique 14K white gold filigree brooch pin featuring an Old European cut diamond of VS clarity and GH color. 1 3/4" long and it weighs 2.5g. The diamond is 1.9mm.

Art Deco Platinum and 14K yellow gold bar pin featuring 10 round sapphires weighing approx. 2.50ctw, possibly Ceylon, alternating with 18 rose cut diamonds weighing approx. 0.20ctw, lock safety catch,

METAL: 14k Gold/Gold Back. GEMSTONES: Old mine and rose cut diamonds approx. 63 stones. Sapphire (one stone is missing). Multiple stones are chipped. MEASUREMENTS: Brooch is 49mm x 25mm. TESTED: 14k.

Pin is 77mm long (entire length) top is 14mm in diameter. Set with 9 old mine cut diamonds - approx. 1.00ctw. Top and step tested plat, . Weight - 4.5 grams.Gemstones have not been graded for color an

Art Deco ladies' estate brooch pin crafted of two tone 14k yellow gold and white gold featuring a center square cut blue sapphire and accented with round cut diamonds. Marked "14K". Mesures approx. 2

An Art Deco diamond, sapphire, and platinum bracelet centering an old European-cut diamond weighing approximately 0.80 carat, accented by circular-cut diamonds and calibré-cut sapphires; estimated

An ANTIQUE DIAMOND & SAPPHIRE stickpin in PLATINUM & 14kt.white-gold. This "ART DECO" piece has 4 round brilliant cut diamonds that total over 0.25ct. with F-G color & VS clarity. The 2 rectangle sapp