Retro Platinum Diamond Engagement RIng .90ct Cluster Earrings The underside of the clasp

The underside of the clasp is hallmarked with "Cartier" and stamped "18K" with a serial number ending in "0341"

which is a normal characteristic of antique jewelry

along with a secure c-catch clasp

this piece would make a lovely addition to any Art Nouveau-era jewelry collection

This fabulous piece

Retro Platinum Diamond Engagement RIng .90ct Cluster Earrings The underside of the claspAn exquisite diamond engagement ring from the Retro (ca1940s) era! Crafted in platinum, this ring features a central . 90ct old mine cut diamond, which is held within a clawed four prong setting. The diamond displays J K color and VS2 clarity. Each shoulder of the ring features 3 single cut diamonds, which graduate in size and have an approximate total carat weight of . 05ctw. The bead set diamonds display H I color and VS1 VS2 clarity. The remainder