Brooch 'crescent' with opals and diamonds

AN 18CT GOLD, DIAMOND AND OPAL CRESCENT BROOCH.

OPAL AND DIAMOND CRESCENT BROOCH. set with graduated opal cabochons, surrounded by diamonds. 2.9 cm diameter 5.1 grams

ANTIQUE OPAL AND DIAMOND CRESCENT BROOCH,High carat gold.Opals well matched with nice play of colour including reds.Diam. 2.7 cm.5 grams.

CARVED OPAL OWL CRESCENT BROOCH WITH DIAMONDS. 18 ct. gold.Fine and detailed carved opal.Diamonds bright and lively.L. 4.5 cm.13 grams.

CARVED OPAL, SAPPHIRE, EMERALD AND DIAMOND CRESCENT BROOCH Containing five intricately carved transparent crystal opal flowers measuring approximately 9.50-13.00 mm wide, eight round brilliant cut dia

OPAL CRESCENT BROOCH/PENDANT, CIRCA 1890 Set with graduated opal cabochons with rose-cut diamond accents, length 3.2cm For further information on this lot please visit Bonhams.com

AN ANTIQUE OPAL AND DIAMOND BROOCH, 19TH CENTURY in high carat yellow gold, designed as a crescent moon jewelled with graduated cabochon opals accented by old and rose cut diamonds, set to a plain bar

Edwardian 6.50 ct Diamond Crescent Brooch 3.5'' x 1.25''. It includes a center Old European cut diamond of .91 carats. It also has 11 perfectly sized diamonds on either side. Total weight 6.50 ct. Ave

Edwardian 7.32ctw Diamond Crescent Brooch 1.5''x1.5''. It includes a center Old European cut diamond of 1.04 carats with three other larger diamonds of 2.24ctw. It also has two single-cut and seventee

Important Victorian Diamond Crescent Brooch ca. 1865, silver top, 15k gold back, set with three tapering rows of graduated old mine-cut diamonds, weighing approximately 3.98 carats in total. dia. 1-3/

Antique Gold and Diamond Crescent Broochthe crescent brooch in an open work scalloped design set with old European and mine cut diamonds, completed with a single pin stem with safety catch, testing 14

DIAMOND CRESCENT BROOCH, CIRCA 1900 Of crescent design, set throughout with cushion-shaped diamonds, diamonds approx. 1.70cts total, length 3.2cm

Marcus & Co. Edwardian Diamond Crescent Brooch platinum/18k yellow gold, the brooch mounted with old European-cut and old single-cut diamonds weighing approximately 2.50 carats in total, signed "M & C

Vintage 14K yellow gold, sapphire, ruby and diamond crescent brooch, set with four round brilliant-cut diamonds; weighing a total of approx: 0.40 carats, color: H-I, clarity: SI1-SI2, eight round and

This wonderful and romantic Victorian-era brooch shimmers with 12 colorful heart shaped opals and 44 sparkling old mine-cut diamonds, all of which are set in 14K gold. This distinctive and dreamy anti

ANTIQUE DIAMOND CRESCENT BROOCH. Largest old cut diamond approx. 0.50 ct. Diamonds H-J colour, Si clarity.Diam. 2.3 cm 4.5 grams.Fine brooch with lovely old cut diamonds

A beautiful Edwardian 14K W/G crescent brooch (1.2"x1.2") set with gem quality European diamonds, diamond wt. approx. 0.55, 0.45, 0.45, 0.35, 0.35, 0.18, 0.18 and 4 small diamonds, all diamonds are VS

18KT GOLD & DIAMOND CRESCENT BROOCH, W 1/2", L 2.25", T.W. 6 GR An 18kt gold and diamond crescent form brooch. Offers twenty one diamonds, sizes ranging from 2mm to 5mm. Having a dedication ("M.E. KOT

A MID 19TH CENTURY GARNET AND DIAMOND CRESCENT BROOCH, of alternating cushion-cut garnets and old-cut diamonds. Estimated total diamond weight 1.50ct, 2.5cm diameter, 4.5 grams

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

VICTORIAN OLD CUT DIAMOND CRESCENT BROOCHTesting gold and silver.Set with bright and lively diamonds totalling approx. 1.25 ct.W: 53.49 mm.3.2 gram.

VICTORIAN, YELLOW GOLD AND DIAMOND CRESCENT BROOCH Containing seven old mine cut diamonds weighing approximately 1.00 carat total. 1 x 1 inch. Gross weight: 4.05 dwt.

This is an antique brooch pin dating to the 19th century. Rendered in fine 14K rose gold, this cresent pin is studded with old european cut diamonds. The diamonds are SI clarity and JKL color. 2" long

ANTIQUE RUBY AND DIAMOND CRESCENT BROOCH. set with rubies totalling approx. 1.26 ct. diamonds totalling approx. 0.15 ct. W 6 cm. 4.3 grams.