The per-carat prices of fine-quality rubies have been rising consistently, many times breaking auction records. For better-quality material, slight differences in color can make significant ...
The per-carat prices of fine-quality rubies have been rising consistently, many times breaking auction records. For better-quality material, slight differences in color can make significant ...
Pink Diamond – $1.19 million per carat Ruby – $1.18 million per carat Emerald – $305,000 per carat Alexandrite – $70,000 per carat Musgravite – $35,000 per carat Red Beryl – $10,000 ...