Diamond Brooches For Sale

A mid 20th century gold Burmese ruby and diamond floral brooch. With report 16423, dated 28th October 2018, from The Gem & Pearl Laboratory, sta...

CARTIER, AN ART DECO AQUAMARINE AND DIAMOND BROOCH set with an octagonal mixed cut aquamarine of 31.00 carats, accented on each side by single and...

An early 20th century fire opal and diamond-set bar brooch the central rectangular cut-cornered fire opal set above the diamond-set openwork tria...

A diamond-set double clip brooch of openwork geometric design, set brilliant-cut and single-cut diamonds width 4.9cm, 10.8g Condition:

A 15CT GOLD ANTIQUE ROSE CUT DIAMOND BROOCH, Weight: 4.9gms

TOPAZ, ROCK CRYSTAL AND DIAMOND BROOCH, 19TH CENTURY Old cushion-shaped and rose-cut diamonds Oval-shaped topaz Oval-shaped rock crystal Foiled cl...

Antique Diamond Brooch in Gold   the sweetest and most beautiful diamond brooch, truly elegant    measurements size 22mm x 22mm weight...

A gold backed, silver set and diamond brooch in a shaped oval pierced design, collet set with two principal old cut diamonds at either end, indist...

A Victorian gold backed, silver set, aventurine quartz and diamond brooch, designed as a four leaf clover, the principal old cut diamond mounted a...

A pearl & rose cut diamond brooch in the form of a flowering stem, 1.25".

Antique 15ct Yellow Gold Diamond and Pearl Bar Brooch   sweet and dainty pearl and diamond brooch    measurements  length 51mm width 2...

Ruby and diamond brooch pretty detailed brooch  measurements length 47mm width 7mm weight 2.39g condition: see photos office use: d22

Antique 15ct gold diamond star brooch wonderful diamond brooch  measurements:  length 43mm width 17mm weight 4.82g hallmarked 15ct cond...

ANTIQUE DIAMOND BROOCH, 5.3 grams. Diamonds totalling approx. 0.50 ct. Diamonds bright and lively. W. 3.1 cm.

AGATE AND DIAMOND BROOCH, CIRCA 1970 Abstract design Brilliant-cut diamond, approx. 0.07ct Length 3.6cm Weight 19.0g Footnotes: OVERALL CONDIT...

AN ANTIQUE DIAMOND BROOCH set throughout with rose cut diamonds, the diamonds totalling 6.0-6.5 carats, no assay marks, 4.9cm, 30.2g

A pearl and diamond brooch

EDWARDIAN PEARL AND DIAMOND BROOCH, 4.9 grams, high carat gold and platinum. Diamonds bright and lively. Pearls generally well matched (untested)....

SAPPHIRE AND DIAMOND BROOCH, 3.6 grams, testing 18 ct. gold. Vibrant blue sapphires totalling approx. 1.47 ct. Diamonds totalling approx. 0.40 ct....

EDWARDIAN DIAMOND BROOCH, 7.5 grams, testing high carat gold. Bright and lively diamonds. Suspending a diamond drop. L. 3.7 cm.

VICTORIAN SAPPHIRE AND DIAMOND BROOCH, 11.5 grams. Gemstones totalling approx. 3.90 ct. Vibrant blue sapphires. Diamonds bright and lively. W. 3.4...

FINE RUBY AND DIAMOND BROOCH, 11.7 grams, High carat gold. Vibrant well matched rubies. Diamonds bright and lively. W. 4.4 cm.

Tiffany & Co.18ct gold and diamond brooch, with 17 brilliant cut diamonds, approximately 0.5ct, double pin to reverse marked 18ct Tiffany & Co., 2...

A Victorian gold backed, silver set, ruby, sapphire and diamond brooch, designed as a pair of hearts below a tied bow, unmarked, weight 2.8g, widt...

18K WHITE GOLD - LARGE DIAMOND BROOCH (23.6g)

Antique ruby and diamond brooch measurements length 42mm width 15mm weight 2.59g hallmarked 9ct condition: see photos office use: / ma...

PLATINUM, GOLD, SAPPHIRE AND DIAMOND BROOCH • Platinum and 10k yellow gold • 14 old European cut diamonds weighing approximately 1.75 carats total...

Antique gold ruby and diamond star brooch wonderful ruby & diamond brooch!  measurements:  length 45mm width 18mm weight 2.45g stamped 9...

14K GOLD, PLATINUM, AND DIAMOND BROOCH • 14k yellow gold with a platinum top • 42 old mine cut and single cut diamonds weighing approximately 1.00...

ANTIQUE GOLD, SILVER AND DIAMOND BROOCHES • One 9k rose gold silver topped brooch with numerous polki cut diamonds, with effaced Dutch assay mark,...

A SEED PEARL AND DIAMOND BROOCH the six seed pearls set in a floral cluster with diamond highlights and principal diamond to the centre, on simp...

A 19th century silver and gold foil back rose-cut diamond floral brooch. Length 3.9cms. 9.9gms. With later fitted case. Condition Report: Sur...

A late Victorian platinum and gold pearl and old-cut diamond bar brooch. Pearl estimated diameter 6.9mms. Estimated total diamond weight 2.10ct...

A mid 20th century 18ct gold single-cut diamond brooch, together with a late Victorian gold agate cluster brooch. Estimated total diamond weight...

An early 20th century platinum and gold aquamarine and diamond point brooch. Aquamarine calculated weight 15.26cts, based on estimated dimension...

An Art Deco platinum, jade and diamond brooch, carved to depict snails amongst foliage. Estimated total diamond weight 0.35ct. Length 5.6cms. 11...

An Art Deco platinum and gold, onyx and vari-cut diamond bar brooch. Estimated total diamond weight 1.50cts, G-I colour, VS2-P1 clarity. Length...

A mid 20th century 18ct gold green tourmaline and brilliant-cut diamond brooch. Tourmaline calculated weight 6.81cts, based on estimated dimensi...

A 19th century silver and gold old-cut diamond cluster, later converted to a brooch. Estimated total diamond weight 3.10cts, H-L colour, VS2-P1 ...

A green tourmaline and diamond brooch, by Buccellati. Tourmaline calculated weight 13.18cts, based on estimated dimensions of 18.5 by 11.5 by 7....

An early 20th century platinum and gold aquamarine and diamond brooch. May be worn as a pendant. Principal aquamarine calculated weight 10.05ct...

A 19th century gold amethyst and old-cut diamond brooch. Amethyst calculated weight 12.44cts, based on estimated dimensions of 20.1 by 14.4 by 7...

An early 20th century platinum and gold opal doublet and vari-cut diamond brooch. Estimated total diamond weight 0.55ct. Length 4.8cms. 10gms. ...

A mid 20th century platinum and gold diamond brooch, by Cartier. Estimated total diamond weight 4.80cts, G-I colour, predominantly VS clarity. F...

An Art Deco platinum and gold French-cut sapphire and circular-cut diamond circle brooch.  Estimated total diamond weight 0.30ct, H-I colour, VS...

An early 20th century platinum and gold, ruby and diamond brooch. Estimated total diamond weight 0.80ct, H-I colour, VS-SI clarity. Length 4cms...

A 19th century gold, turquoise and diamond brooch. Estimated total old-cut diamond weight 0.30ct. Length 4cms. 14gms. Condition Report: Surfa...

A 19th century silver and gold, vari-cut diamond brooch. Principal diamond estimated weight 1.85cts, G-H colour, SI2-P1 clarity. Estimated tota...

A mid 20th century platinum vari-cut diamond stylised ribbon brooch. Estimated total diamond weight 3.50cts, G-J colour, VS2-P1 clarity. Length ...

A late Georgian silver and gold foil back rose-cut diamond foliate brooch. Diameter 3.3cms. 8.2gms. Condition Report: Surface scratches and mi...

A late 19th century silver and gold old and rose-cut diamond ribbon and swag brooch. May be worn as a pendant. Estimated total old-cut diamond ...

9ct gold emerald & diamond brooch (2.4g)

VICTORIAN PEARL, ENAMEL AND DIAMOND BROOCH. 23,6 grams, high carat gold. Pearls generally well matched. W. 4.8 cm.

A Ruby and Diamond Brooch, of tapered form, the central marquise cut ruby flanked by round cut rubies in yellow millegrain settings amongst round...

Antique 9ct gold and Diamond brooch pin weighing 2.8g

Victorian 15ct gold ornate diamond brooch,1.6g.

A 9ct gold, sapphire and diamond brooch, designed as a butterfly, weight 4.6g, width 3.6cm.

A VINTAGE EMERALD, RUBY, SAPPHIRE AND DIAMOND BROOCH in yellow gold, designed as a stylised flower, set with round cut emeralds, rubies, sapphires...

AN ANTIQUE DIAMOND BROOCH the circular openwork brooch set to the centre with an old cut diamond of approximately 1.09 carats, accented throughout...

A BURMA NO HEAT RUBY AND DIAMOND BROOCH set with round cut rubies and round brilliant and baguette cut diamonds, the rubies all totalling 4.9-5.1 ...