PLATINUM AND GOLD OLD MINE CUT DIAMOND BROOCH

An early 20th century platinum and gold, turquoise and old-cut diamond cluster brooch.Turquoise estimated dimensions of 17.6 by 16 by 8.5mms.Estimated total diamond weight 3.90cts, G-I colour, SI1-P1

A late 19th century platinum and 15ct gold, graduated pearl and old-cut diamond crown brooch.Estimated total diamond weight 1.75cts, G-H colour, VS-SI clarity.Length 4cms. 14.2gms.Pearls untested for

METAL: Platinum and 14k Gold. GEMSTONES: Old mine cut diamonds approx. 0.84ctw (center diamond approx. 0.62ct). MEASUREMENTS: Brooch is 38mm x 11mm wide. TESTED: Plat, 18k. WEIGHT: 3.7 grams.Gemstones

A PLATINUM TOPPED-GOLD AND DIAMOND PENDANT BROOCH • Platinum and 14k yellow gold • Numerous old European-cut diamonds weighing approximately 2.30 carats total • Measures 3 3/4 in. &#

A PLATINUM-TOPPED-GOLD AND DIAMOND BROOCH • Platinum and 14k yellow gold • 49 old-mine cut diamonds weighing approximately 2.75 carats total • Measures 2 x 2 1/8 in. • Estimate

DIAMOND PENDANT/BROOCH Consisting of a platinum-topped gold pendant/brooch containing two old European cut diamonds weighing approximately 1.05 carats total and numerous old European cut diamonds weig

Three Gold and Gem-Set Bar Broochesto include: a platinum topped gold bar brooch set with old European cut diamonds weighing approximately .22 total carat (H-I color, VS2-SI1 clarity), completed with

Platinum, Gold, Demantoid Garnet and Diamond 'Prince of Wales' Pendant-Brooch 56 old European-cut diamonds ap. 1.00 ct., round demantoid garnets, c. 1905, ap. 9 dwts. C

AN ANTIQUE DIAMOND HARE BROOCH in platinum and yellow gold, set with old mine cut and rose cut diamonds, accented by a cabochon ruby eye and engraved fur detailing, no assay marks, 3.8cm, 5.8g. Accomp

Circa 1890, platinum-topped 14k yellow gold Centering an old mine-cut diamond weighing approximately 0.20 ct. and graded H-I color, SI-I clarity and further set with rose-cut diamonds to the body wit

AN ANTIQUE DIAMOND HARE BROOCH in platinum and yellow gold, set with old mine cut and rose cut diamonds, accented by a cabochon ruby eye and engraved fur detailing, no assay marks, 3.8cm, 5.8g.

Antique Gold, Platinum, Emerald, Demantoid Garnet and Diamond Lizard Brooch 63 old-mine cut diamonds ap. 1.55 cts., 13 cushion-shaped and round demantoid garnets, 2 cushion-shaped ruby eyes, c. 1910,

Ladies Platinum and gold diamond brooch. There is one old European cut diamond the measures 4.9x3.3mm and weighs approx .49 carat: clarity SI1-SI2 and color JKL. There are two old European cut diamond

Rose Gold, Platinum, Diamond and Ruby Pendant-Brooch One old European-cut diamond ap. 1.05 cts., 16 old European and old mine-cut diamonds ap. 1.65 cts., 18 small old-mine cut diamonds, 9 round rubies

Raymond Yard Gold, Platinum, Diamond and Ruby Spray Clip-Brooch 11 old European-cut diamonds ap. .95 ct., 34 baguette and modified baguette diamonds ap. 1.30 cts., 14 square and fancy-shaped rubies ap

Diamond and platinum-topped gold crescent brooch Set with graduated old mine-cut diamonds Platinum-topped yellow gold 1.25 x 1.125 in; Gross weight 2.6 dwts This work will ship from Lambertville, New

Diamond, Ruby, Platinum, 14k Rose Gold Brooch. Featuring twenty-eight old European-cut diamonds weighing a total of approximately 2.00 cttw., accented by twenty-eight square-cut rubies weighing a tota

Art Deco Platinum brooch with 14k gold stem, set with old mine cut diamonds. Center diamond approx. 0.65ct, side diamonds approx. - 0.84ctw. Brooch measures - 46mm x 19mm. Tested: Plat (brooch), Marke

METAL: 18k Gold and Platinum. GEMSTONES: Rose cut and old mine cut diamonds approx. 25 stone. Emerald. MEASUREMENTS: Brooch is 52mm x 11.9mm. MARKED/TESTED: 750/Plat. WEIGHT: 5 grams.Gemstones have no

A GROUP OF PLATINUM-TOPPED GOLD, BI-COLOR GOLD, SAPPHIRE AND DIAMOND BROOCHES • Platinum, 14k white gold, 18k yellow gold • 5 old European-cut, 1 old-mine cut and numerous rose-cut diamond

Edwardian diamond platinum-topped 14k yellow gold pendant-brooch featuring (2) old European-cut diamonds weighing a total of approximately 0.55 ct. accented by (52) old European and single-cut diamond

Rubellite diamond bar brooch : Around 1920 Center set with a staircase cut rubellite, entouraged by 22 old cut diamonds. Yellow gold 18 ct, platinum. L. 4.5 cm, 4.3 g. // Rubellit-Diamant-Stabbrosche

BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the pri

A VINTAGE DIAMOND PLAQUE BROOCH, 1930s, in 18ct yellow gold and platinum, the openwork brooch set throughout with old cut diamonds, the diamonds totalling 3.0-3.5 carats, stamped 18ct and PL, 4.6cm, 7