Art Deco Diamond Square Cluster Ring 5-stone and both have mother of

and both have mother of pearl handles

with French import marks (Paris assay office) indicating it was likely made in England and retailed in a Parisian jewellery shop

reverse carved allowing them to make an imprint in wax

Dating from the mid Victorian period

The significance of the key is clear here

Art Deco Diamond Square Cluster Ring 5-stone and both have mother ofDATE: Art Deco, c. 1920 A pretty little Art Deco diamond cluster ring in 18k gold with millegrain platinum settings. The square head is divided into nine sections, each one containing an old cut diamond. With subtly pinched shoulders, the rich yellow gold of the band creates a gorgeous colour contrast with the head. STONES Old Cut Diamonds MEASUREMENTS Head: 7. 7 x 6. 9mm Rise off finger: 3. 6mm Width of band: 1. 5mm WEIGHT 2. 6g MARKS Stamped 18ct