Antique 1.25Ct Sapphire 2.34Ct Diamond and Platinum Brooch Circa 1925

A fine and impressive antique 1920's 1.38 carat diamond, platinum and 15 karat white gold drop brooch; part of our diverse antique 1920s diamond jewelry collections. This fine and i...

A fine and impressive antique 1930s 0.24 carat sapphire and 0.12 carat diamond, platinum pin brooch set in 18 karat white gold, part of our antique sapphire jewelry collections. Thi...

A fine and impressive antique 0.28 carat natural blue sapphire and 0.35 carat diamond, 12k yellow gold, platinum set bar brooch; part of our antique jewelry and estate jewelry collec...

A stunning, fine and impressive 4.45 carat diamond and platinum bow brooch; part of our antique jewelry and estate jewelry collections ...

A magnificent, stunning and impressive antique 2.10 carat emerald and 7.73 carat diamond, platinum floral brooch; part of our diverse floral jewelry and estate jewelry collections. This magnificent, fine and impressive antique emerald and diamond brooch has been crafted in platinum. The pierced decorated subtly domed platinum frame of this antique brooch has been modelled in the form of a flower. The floral design is ornamented to the center with a stunning four-claw set 2.10ct emerald-cut emerald. The feature gemstone is encompassed with an array of eleven individually claw set Old European cut diamonds. The flower's petals are comprised of emanating splayed lobed designs, ornamented with a total of one-hundred and one pavé set Old European cut diamonds. The petal designs incorporate four curvilinear arrays accented with a total of twelve channel set baguette cut diamonds. The tapering stem of the flower is embellished with five channel set baguette cut diamonds, completing the design. The antique emerald and diamond brooch secures to the reverse with a hinged double prong pin and clasp fastening. This magnificent floral brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. This stunning 1900s brooch is supplied with four IDGL diamond grading report certificates for the feature stones, in addition to an IDGL diamond and gemstone grading report card for the emerald and supporting stones. Such magnificent multi-stone brooches with a multitude of large, high-quality diamonds are desirable; this brooch is the finest example you could hope to acquire. 'Rather than regarding inclusions in colored stones as harmful, in small sizes and numbers that do not in any way detract from their beauty, they should be regarded as adding to desirability, for they provide identifying characteristics.' Reference: The Connoisseur's Guide to Precious Gemstones, R. Wise, Brunswick House Press. Images do not always reflect the true color and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual color and showcases each stone within this antique brooch. Condition This magnificent antique emerald floral brooch with diamonds is exceptional quality, set with a stunning emerald displaying fine color, brilliance and presence. The high color graded feature diamonds display a fine white color, brilliance and presence. The well color matched, high color graded supporting diamonds display a fine white color and brilliance. This 1900s diamond brooch...

A stunning, fine and impressive antique French 1910's 5.00 carat diamond and platinum Art Deco brooch; part of our diverse antique diamond brooches collection. This stunning, fine a...

Centering an old European-cut diamond, accented by two single lines of calibré-cut sapphires, within an old European and single-cut diamond surround, completed by openwork scrolling ...

Platinum Sapphire and Diamond Brooch Circa 1950's 9.25 carats Weighing in at Just Shy of Ten carats This Brooch Will Make a St...

An Art Deco diamond brooch, set with Edwardian-cut diamonds, in an open work, navette shaped plaque, mounted in platinum, circa 1925, with a gold pin, numbered 8994, with inventory n...

This exquisite Edwardian period bar Brooch is 1910 circa Hand crafted as unique example of solid Platinum, pin solid 18 Kt gold Beautiful openwork filigree work with carved finish embodying geometric sections for the gemstone setting Adorned with a selection of natural intense rich royal Blue Sapphire...

An Art Deco diamond and platinum bow brooch, finely pavé set with old style eight-cut diamonds, with cheneered gallery, mounted in platinum, with a white gold pin and roller catch, n...

Art Deco sapphire and diamond double clip brooch. Each set with one drop shape old cut natural unenhanced sapphire in an open back claw setting, two in total with a combined approxim...