Antique Art Deco 3.18ct Diamond and 14k Yellow Gold Brooch Circa 1920

A stunning, fine and impressive antique 1920's rectangular 3.18 carat diamond, 14 karat yellow gold and platinum set Art Deco brooch; part of our diverse collection of Art Deco jewelry. This stunning, fine and impressive antique diamond brooch has been crafted in 14k yellow gold and platinum set. The rectangular brooch is ornamented to the centre with a collet set 0.52ct Old European cut diamond, flanked with four further Old European cut diamonds, set in a linear formation. The central arrangement is framed with a rectangular border ornamented with twenty-six pavé set Old European cut diamonds, completing the Art Deco design. This1920s diamond brooch secures to the reverse with a hinged pin and clasp fastening. The brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 14 karat gold and platinum. This stunning platinum brooch is supplied with a IDGL diamond grading certificate for the feature stone, in addition to an IDGL diamond grading report card for the supporting stones. This Art Deco diamond rectangular brooch is defined by bold geometric form and refined diamond detailing, making it a sophisticated choice for milestone birthdays, anniversaries and elegant evening occasions. 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. Diamond Quality Feature Diamond Color J Clarity P1 Cut Old European Content 0.52 carat Dimensions 5.37mm (length) x 5.05mm (width) x 3.06mm (depth) Supporting Diamonds Color (average grades) I/J/K Clarity (average grades) VS2/SI2/P1 Cut Old European Content 2.66 carats Total Diamond Content 3.18 carats Number of Diamonds 31 Dimensions Length of setting 2.8cm/1.1' Width of setting 1.2cm/0.47' Across pin 2cm/0.79' Height of setting 5.24mm/0.21' Weight 5.19 grams