Price guide to antique and vintage agate flower brooches. Agate is an excellent material for carving flowers. The patterns within agate allow for natural looking petals and leaves.
A mid-century agate and diamond spray brooch, Austrian Designed as carved blue agate forget-me-nots, each with a central brilliant-cut diamond, to single-cut diamond stems issuing carved green agate leaves, diamonds approx. 1.45cts total, length 6.3cm
Sold for £ 1,875 inc. premium at Bonhams in 2017
AN AGATE, NEPHRITE AND DIAMOND FLOWER BROOCH, BY DAVID WEBB Designed as a carved white agate rose, with an old-cut diamond pistil, to the carved nephrite leaves trimmed with circular-cut diamonds and 18k gold stem, 2 3/4 ins., mounted in platinum and 18k gold Signed Webb for David Webb
Sold for USD 9,375 at Christies in 2015
Gold, Carved Agate and Carnelian Flower Brooch and Pair of Earclips, Andrew Clunn The oversized brooch and pair of earclips fashioned of carved agate, the curled petals spaced by polished gold ribbons, the brooch centering one round cabochon carnelian approximately 18.0 mm., the earclips centering two carnelian beads approximately 6.0 mm., signed A. Clunn.
Sold for $5,000 (includes buyer’s premium) at Doyle New York in 2014
Agate, with mounted Emerald, Ruby and Citrine 14 karat gold carved floral brooch pin. 3-7/8″ diameter. 105.9 total grams.
Sold for $550 at Tremont Auctions in 2018
A late 19th century Scottish brooch. Designed as a scalloped-edge central panel of vari-coloured agate pieces, to the acanthus and floral surrounding mount. Length 6.2cms. Weight 29.5gms.
Sold for £130 at Fellows in 2016
