An Art Deco diamond brooch set with an emerald-cut

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 Platinum, Diamond and Emerald Brooch , set with 1 emerald-cut diamond, approx. 1.03 ct. (VVS2/I), 4 emerald-cut diamonds, each approx. .38 (VS1/H-I), 2 fancy step-cut diamonds, each approx. .

A FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, set with shield, baguette, emerald, and single cut diamonds all totalling 3.0-3.5 carats, French assay mark

AN ART DECO PLATINUM, EMERALD, AND DIAMOND BROOCH Centering an emerald-cut emerald measuring approximately 9.25 x 5.90 x 2.80 mm, and set with old European, old mine, single, and baguette-cut diamonds

Art Deco Diamond, Emerald, Black Onyx and Platinum Brooch. Set in the center with an approx. .65 carat old European cut diamond, H-I color, VS2 clarity. Accented with approx. 3.50 carat TW old Europea

Art Deco Rock Crystal Brooch with single cut diamonds, Emerald, Ruby, Ametrine set in platinum. Gems Cabochon cut, diamond full cut. Gems tested by jeweler. small ametrine missing on one side. Please

Art Deco Platinum, Diamond, and Emerald and Synthetic Emerald Brooch, Katz & Ogushdesigned in a stylized ribbon motif centering on a bezel set old European cut diamond (5.25 x 5.25 x 2.88 mm) weighing

Crafted of 18k white gold. Art Deco style brooch pin with palmette shape. Features a large oval cabochon cut 10.4mm x 8.8mm pinkish purple star ruby gemstone. Surrounded by pave set diamonds with tota

Black, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwts

ART-DECO EMERALD AND DIAMOND RING, Set with an emerald cut emerald of approx. 0.43 ct. and a round brilliant cut diamond of approx. 0.49 ct. The shoulders of part openwork design. Size L. 2.8 grams.

ART-DECO EMERALD AND DIAMOND RING, Set with an emerald cut emerald of approx. 0.43 ct. and a round brilliant cut diamond of approx. 0.49 ct. The shoulders of part openwork design. Size L. 2.8 grams.

CARTIER, IMPORTANT ART-DECO ROCK CRYSTAL AND DIAMOND BROOCH, set with 5 larger old cut diamonds and smaller diamonds totalling approx. 4.70 ct. The 2 sides set with carved rock crystal in trapezium sh

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

ART DECO DIAMOND BROOCH, CIRCA 1930 Of openwork, geometric design, set with old brilliant-cut diamonds, diamonds approx. 2.70cts total, length 4.4cm

AN ART DECO PLATINUM AND DIAMOND BROOCH The filigree mount Set with old European-cut diamonds, approximate total weight 1.80 carats, millegrain accents, weight 6.4 dwt, obscured signature, numbered 7

Ladies' Art Deco 14K white gold brooch featuring a mine-cut diamond approximately 1.27 carats, Clarity-VS1, Color-K, accented by 36 round brilliant, 26 single cut, 2 baguettes, and 2 triangular (66 to

IMPORTANT ART-DECO DIAMOND SUNBURST BROOCH AND PAIR OF EARRINGS, The brooch set with multi cut diamonds, the center of domes design, flanked with diamonds on all sprays. The earrings of double set wit

LACLOCHE FRÈRES: ART DECO DIAMOND-SET BROOCH, CIRCA 1925 The onyx plaque, applied with a giardinetto motif set with carnelian cabochons, old single-cut and rose-cut diamonds, the geometric border

Pair of Art Deco-Style Platinum, Emerald and Diamond Dangle Earrings, 2 center bezel set emerald cut emeralds, total wt. approx. 4.96 cts., 8.96 x 6.99 x 5.24 mm and 9.11 x 6.83 x 5.41 mm; bezels and

ART DECO, DIAMOND AND EMERALD BRACELET Containing two marquise and numerous old European cut diamonds weighing approximately 13.00-15.00 carats total, accented by channel set calibre cut emeralds and

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 Diamond Watch Brooch, Francethe pendant form brooch in a tapered bar and buckle motif suspending a bar form drop with pointed terminals, the whole set with square cut diamonds weighing approx

JEWELRY: Art Deco Diamond & Sapphire Circle Brooch, tested platinum Art Deco open circle brooch with milgrain, diamonds, and natural sapphires. Containing 28 bead- set transitional cut diamonds with a

A FINE ART DECO GREEN TOURMALINE AND DIAMOND BROOCH / PENDANT in platinum, set with an octagonal step cut green tourmaline of 13.50 carats within two concentric octagonal borders of round cut diamonds