Certified Vs Not Certified Diamonds. Since they have no certificates or real documentation its hard to establish their credentials. If a diamond is not certified your only source of information about its quality is the seller and needless to say the merchants assessment is not likely to be the most objective.
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Though a diamond certificate authenticates the quality of diamonds not having a certificate doesnt refer to the quality of the diamond being lower. Buying a loose diamond without certification is never a good idea. Also I noticed that Shane Co does not have ANY IF diamonds in the 50 ct range while Tiffany had atleast 10 pieces that they found for me.
Non-certified diamonds will always be more common in the marketplace.
Additionally any uncertified diamond can get certified by sending it to the GIA EGL or AGS. The opposite of certified diamonds is non-certified diamonds also known as uncertified diamonds. In fact without a certificate you can never be sure what you are buying. Brian Gavin has sent diamonds to be dual graded or what is commonly and incorrectly referred to as dual certified on multiple occasions.
