Art Deco Diamond Openwork Ring 1930's I love these little bug

I love these little bug pieces

The peruzzi evolved from the natural uncut diamond's most basic form: two square pyramids placed together base-to-base to form an octahedron

but one I've never seen before

An unusual Victorian cluster ring set with a vibrant opal cabochon flanked by two pairs of

Art Deco Diamond Openwork Ring 1930's I love these little bugDATE: Art Deco, c. 1930 Super dainty ring dating from the Art Deco period. Platinum openwork detailing creates floral patterns surrounding a centre old cut diamond. Fine millegrain detailing surrounds two diamonds, set to each side of the centre stone. The slender band is crafted in 18k gold, circa 1930. STONES Old Cut Diamonds MEASUREMENTS Width at head: 9. 5mm Rise off finger: 3mm Width of band: 1. 2mm WEIGHT 1. 6g MARKS No marks present, tests as