Lady's Platinum Emerald & Diamond Pendant with 18K White Gold Chain. Chain Length: 18" Contains: One Heart Shape Emerald Weighing Approx 2.75cttw. Origin: Colombia 16 Round Cut Diamonds Weighing Approx 1.40cttw. Color: G/H Clarity: VS(1)/VS(2) One Pear Shape & Two Baguette Cut Diamonds Weighing Approx .30cttw. Color: G/H Clarity: VS(1)/VS(2) A magnificent Colombian emerald and diamond pendant. We bought the emerald to make this pendant over a year ago and rough of this quality is not available at this time. My estimation is that this is as good as emerald gets.