5.5 Carat Brooches

A fine and impressive antique seed pearl, 14k yellow gold and silver chick brooch; part of our diverse antique jewelry and estate jewelry collections. This fine and impressive antique brooch has been crafted in 14k yellow gold and silver. The 1890s bar style brooch is surmounted to the center with an silver design modelled in the form of a chick, engaging with an individually set 2mm seed pearl. The brooch secures with a safety pin style fastening. This antique Victorian bird brooch...

An 18k yellow gold leaf motif brooch by Oscar Heyman Bros. Set with ruby beads. Brooch measures 2" x 1.5". Marked with OH hallmark and serial No.73809. Weight - 18.4 grams.

Tiffany & Co Jade Flower Brooch A round jade brooch with a center rose adorned with a round-cut diamond. Approximate Diameter: 1.25" Signed: Tiffany & Co Metal Type: 14-karat yell...

Tiffany & Co Cabochon Emerald Brooch A Tiffany & Co. brooch that converts to a pendant, set with 12 round-cut diamonds and a cabochon emerald. Approximate Length: 1.50" Metal Type:...

This diamond crescent brooch by Tiffany & Co. New York dates from circa 1890-1900. The delicate crescent is set with 21 old European and old mine-cut diamonds mounted in platinum-topped gold. Set with fine, well-cut diamonds in a minimum of platinum and gold, this heavenly crescent was divinely shaped and executed by Tiffany & Co. designers and artisans. Product Details: Item #: BO-21317 Artist: Tiffany & Co. Country: United States Circa: 1890-1900 Dimensions: 2.75" length, 1" width. Materials: 21 old European and old mine-cut diamonds (approximate total weight 9.20 carats): Platinum-topped 18K gold mount Signed: Tiffany & Co. Macklowe Gallery Curator's Notes: Throughout the 19th century, British astronomers made many advances, building on the enormous base of precise observations provided to them by their predecessors in the 1700s. Using the new technique of spectroscopy, they worked to determine the composition of heavenly bodies, while breakthroughs in understanding the geology of the earth -many made by passionate amateur scientists as diverse as surveyors and Anglican clergy - helped them discover the facts about the nature of the moon and newly discovered planets. It was in fact an Anglican priest who first advanced his well-supported theory that the earth was indeed more than a billion years old. Astonishing early imaging of the moon, as well as the appearance of the Great Comets of 1843 and 1882 that remained for months burning in the sky above England, helped stoke popular fascination with heavenly bodies. Star, crescent, sunburst and comet jewelry...

18 K white Gold brooch featuring brilliant cut Diamonds, Baguette-cut Diamonds and Marquise cut Diamonds in an organic cluster design typical for the 1970. No pictures can do justi...

During the mid 20th century it was undeniable that Tiffany and Company were one of the most luxurious jewellery companies in the world. This gorgeous stylised flower brooch pin dates...

18 Karat Two-Tone Diamond Bee Brooch Pin. Very pretty white and yellow gold with pave-set round diamonds on the body. There are thirty-five 1.6mm round diamonds with a carat total we...

This stunning Oscar Heyman sapphire and diamond pin features a snowflake-like design, with radiating trapezoid and marquise-cut blue sapphires encircled by brilliant-cut diamonds, centered around a large round diamond. 16 Kite Sapphires...

Antique Butterfly Brooch 18ct Rose Gold French Stamped Circa 1880 This exquisite Victorian-era butterfly brooch is a true work of art. Crafted from 18ct rose gold, it features a n...

This exquisite feather brooch by Oscar Heyman captures the elegance of nature through masterful craftsmanship. Adorned with 168 round brilliant diamonds totaling approx. 7.60 carats,...

Tiffany & Co. Tanzanite and Diamond Brooch Designed as a star, the center set with a cluster of tanzanite cabochons extending channel-set tapered baguette-cut diamond rays, 2 3/4...