Provenance is very important when valuing emeralds. The origin of an emerald establishes a base value from which to start the valuation. For example, Colombia is famous for producing some of the world’s most beautiful and valuable emeralds. One of the most expensive emeralds, the Rockefeller Emerald was purchased by Harry Winston for 5.5 million dollars or $305,000 per carat in 2017 at Christies New York Auction. Provenance can be determined by studying the internal qualities of the emerald u...

Once you know the weight, clarity, cut, color of your diamond, you can then begin your more serious research by finding out what local jewelers are charging for equivalent diamonds. This will give you an idea of the retail replacement value of your diamond. When you go to sell your diamond, however, you will be offered a wholesale price as most diamonds can be found easily in the wholesale market and jewelers and diamond dealers will not pay more than what they would if seeking your diamond i...

Burmese rubies are the most valuable rubies in the world. Recently, in 2015 Sotheby’s sold a 25.59 Carat Mogok Burmese ruby, The Sunshine Ruby for 30 million dollars. This gorgeous example of Burma rubies at their very best features a deep red color with exceptional clarity and brilliance. This ruby was expertly cut by Cartier and presents perfect internal color play and beauty. There are many price levels for ruby however, and you should not feel left out because you cant splurge in the mill...