This 1920s aquamarine bar brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 12K Gold and platinum. 2.27Ct Aquamarine and 0.08Ct Diamond, 12K Yellow Gold Bar Brooch – Antique Circa 1920.
The pierced decorated, scalloped edged setting displays a feature round cut 3.21ct high zircon, six claw set in relief to the centre of the design. Zircon Quality. The 1950s ring is hallmarked to the interior of the shank with the mark for 18K Gold mark (18ct).