30-Carat Diamond. $7,600,000*. 40-Carat Diamond. $8,366,500**. *In 2009, a 32-carat emerald-cut Annenberg diamond was sold for $7.6 million at a New York auction. **The latest sale of 40-carat Polar Star diamond took place in November 1980 in Geneva. At today's exchange rate, its price would equal $8,366,500.
Savings Tip 1: The classic weight levels are accompanied with a price bounce. The price per carat (ppc) of a 0.50 carat yellow diamond is much higher than ppc of a 0.45 carat, a 1 carat yellow diamond costs much more than 0.90 carat and the price of a 2 carat yellow is a lot more than a 1.85 carat similar diamond.
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