The 3C's Color, Cut and Clarity... all of which determine the 4th C... Cost.
Color: Diamonds are rated from D (whitest) to Z (Brown). The closer you are to D the higher the cost. An engagement Diamond is typically between between D and G in Color.
Cut: The most fascinating cut is the Round Brilliant!....
Clarity: Diamonds are rated as to how pure they are and how many inclusions (flaws) they may have.
F= Flawless or IF= Internally Flawless
VVS= Very Very Slightly Included
VS = Very Slightly Included (Also VS1 and VS2 are used)
SI = Slightly Included
I = Included (Typically avoided)
Typically, the minimum acceptable as a wedding diamond (unless you can afford more), would be SI or VS2.
Cost: A general order of magnitude of an average engagement ring is $3,000.
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