Bidspirit auction | 18KWG (4A Grade) 35.24ct ”Old

18KWG (4A Grade) 35.24ct ”Old D Block” Tanzanite and Diamond Ring, size 7 - 18K white gold ring weighing 19 grams and having a 35.24ct AAAA grade ”Old D Block” Tanzanite. .88ctw natural diamonds surround this magnificent stone. Size 7, 19 grams. Chromia.  ”Old d block tanzanite” refers to tanzanite mined from Block D in the Merelani Hills of Tanzania, which was historically considered the original and most famous source.