Bulgari Diamond Onyx 18 Karat White Gold Flip Signet Ring Boucheron Maker's mark for Walter Lampl

Maker's mark for  Walter Lampl and stamped 14K

Transparent very light blue in color and set with tab-like prongs

Entrancing

Set by yellow gold prongs with a decoratively pierced gallery

and Turkey / 17 inches / Approx

Bulgari Diamond Onyx 18 Karat White Gold Flip Signet Ring Boucheron Maker's mark for Walter LamplSignet style ring centers an 11. 0 mm circular disk center that flips on an axis One side is bead set with clustered round brilliant cut diamonds Weighing approximately 0. 20 carat total eye clean and bright The other side is inlaid with a round onyx tablet measuring 7. 0 mm Opaque black in color with excellent polish Both sides are inscribed with 'Bvlgari Bvlgari' Completed by flaring ball shoulders Stamped with Italian assay marks for 18 karat gold