Solitaire old mine diamond engagement ring. Set with an oval old mine diamond, H colour, VS1 clarity, in an open back claw setting with an approximate weight of 1.90 carats, with an intricate pierced collet flanked by raised gently sloping inward tapered shoulders, flowing down to a solid D-shape shank. Tested platinum, English, circa 1920, accompanied by Gemmological Certification Services report #5774-679.
