STUNNING 6.37CT TANZANITE & DIAMOND RING IN PLATINUM: Eye catching pear shaped tanzanite is set within tiered diamond bezels supported by stylized diamond set split shoulders. Natural tanzanite is GIA certified, report #6173379181. 88 round brilliant cut diamonds are set into the tiers and shoulders. Size 7. Total weight 10.34 grams. Sold with American International Gemologists appraisal for $22,925.