Ths Christopher Wharton Design in platinum is set witha AAA+ colour pear cut tanzanite. Wharton Design No: 1W73A Total Diamond Weight: 0.16ct E/F Colour Vs Clarity Total Tanzanite weight: 0.88ct AAA+ colour VVs clarity All Christopher Wharton designs are hand made by our highly skilled Master Goldsmiths. This ring is available in various carat weights.