An Antique Diamond Brooch

A FINE ANTIQUE DIAMOND BROOCH set with an old mine cushion cut diamond of 4.00 carats in a cluster of old cut diamonds, accented by further old and rose cut diamonds to the openwork frame, the diamond

AN ANTIQUE DIAMOND BROOCH AND EARRINGS DEMI PARURE in yellow gold and silver, comprising a pair of earrings and a brooch in foliate design, the earrings set with rose cut diamonds, the brooch of simil

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork body set throughout with old cut diamonds, the diamonds all totalling 4.2-4.6 carats, no assay marks, 4.4cm, 14.6g. 

Antique Diamond Brooch platinum/18k yellow gold, ca. 1910, the Edwardian brooch designed as a Bird of Paradise, set with rose-, Swiss- and single-cut diamonds weighing approximately 4.25 carats in tot

AN ANTIQUE DIAMOND BROOCH in scrolling design, set with old cut and rose cut diamonds suspending an old European cut diamond, the diamonds all totalling 3.8 - 4.2 carats, no assay marks, 5.2cm, 12.5g.

ANTIQUE DIAMOND BROOCH, LATE 19TH CENTURY of knife wire construction, mounted in silver and gold, composed of pinched collet-set circular-cut diamonds arranged in a radiating design, detachable brooch

A FINE ANTIQUE DIAMOND BROOCH / PENDANT, 19TH CENTURY the oval body of openwork design, set throughout with old cut and rose cut diamonds, the diamonds all totalling 3.6-4.2 carats, with retractable l

Antique diamond brooch The rose-cut diamond round center with garland and decorative drops 14k yellow gold and silver 2 1/8 x 4 1/4 ins, Gross weight 37.8 dwts

ANTIQUE DIAMOND BROOCH gold and silver two-row crescent with graduated Old Mine-cut diamonds weighing approx. ct 5,00. Circa 1880. Gr 9,50 - cm 4,30 x 3,50

A FINE ANTIQUE DIAMOND BROOCH in yellow gold and silver, spelling GEORGE, each letter set with old cut diamonds all totalling 2.8-3.0 carats, no assay marks, 5.8cm, 7.8g.

Old miner's cut center diamond surrounded by close set stones. 1 1/16 x 1 1/16 (approx) SI 1. F color 4.4 mm 1/3 carat set in 14k partially rhodium plated gold.

AN ANTIQUE DIAMOND BROOCH designed as an open oval, set with ten old cut diamonds all totalling 3.0- 3.1 carats, no assay marks, 2.8cm, 5.0g.

ANTIQUE DIAMOND BROOCH, designed as 2 cluster sections with scrolling desing and a larger diamond to the center. L. 4 cm. 4.9 grams.

Antique Diamond Brooch14k rose gold, ca. 1840s, the brooch mounted with rose-cut diamonds weighing approximately 2.63 carats in total.w. 1", l. 3", total weight 19.6 grams

AN ANTIQUE DIAMOND BROOCH, CIRCA 1910 in platinum, the rectangular face set formed of wirework designs, set with old cut and rose cut diamonds, unmarked, 2.8cm, 6.3g.

NO RESERVE - AN ANTIQUE DIAMOND BROOCH, 18TH CENTURY in silver, the openwork brooch set with table cut and rose cut diamonds, originally a slide and later converted to a brooch, no assay marks, 4.5cm,

AN ANTIQUE DIAMOND BROOCH, 19TH CENTURY in yellow gold and silver, designed as a pin terminated with a rose cut diamond, with applied foliate and flower motif, jewelled with rose cut diamonds, unmarke

NO RESERVE - AN ANTIQUE DIAMOND BROOCH, 18TH CENTURY the oval body in open foliate design, set with step and rose cut diamonds, originally a slide and later converted to a brooch, no assay marks,

A 14K rose gold antique brooch with a five diamond crown and scepter, diamonds are old European mine cut stones, 4.5dwt, approximately 2.25" long

A 19th C. pin, in gold wash over silver with rose cut diamond, possibly Russian, 2”L, weight 10 grams.

ANTIQUE DIAMOND BROOCH/PENDANT, of stylized shell design, with a diamond drop to the bottom. Diamonds totalling approx. 3.60 ct. L. 5.3 cm. 16.8 grams. With antique fitted box.

ANTIQUE DIAMOND BROOCH/PENDANT, of stylized shell design, with a diamond drop to the bottom. Diamonds totalling approx. 3.60 ct. L. 5.3 cm. 16.8 grams. With antique fitted box.

Antique diamond brooch pin. Features a reticulated crescent form set with old mine cut diamonds. Tested 14k, unmarked. Measures 1 3/4" x 1 1/4". Total diamond weight is approximately 2.25 carats. Weig

A FINE ANTIQUE DIAMOND STAR BROOCH / PENDANT in yellow gold and silver, designed as a seven rayed star, set with a central cluster of old cut diamonds, the central diamond weighing 1.89 carats, accent