14k White Gold Tanzanite and Diamond Engagement Ring (0.5 Cttw, G-H Color, I1-I2 Clarity) 1/2 CT Parallel Baguette & Round DTW & 1 CT TGW Tanzanite Engagement Ring in 14k White Gold Available in multiply sizes. Diamonds with I clarity and a good cut are considered brilliant. We can offer incredible value on fine jewelry because we are involved in every aspect of the jewelry creating process and constantly travel the globe to find the best prices. 30-day money-back guarantee on every purchase.