Gold ring, Au 750/1000 (18K gold). White gold ring with solitaire diamond. Diamond quality SI2, color I. Manual sorting grade. Commercial certificate for entire item and gemological certificate from SIG for diamond. Jewelry is thoroughly checked and hallmarked by the State Assay Office (Official State Authority). Subtle white gold engagement ring is studded with brilliant-cut diamond. Total weight approx. 0.100 ct. Diamond dimensions approx. 4 x 4mm (with ingenious method of embedding diamond, optically multiplying its weight in carats), width of the ring approx. 1.5 mm.