Diamonds that are absolutely clear are very rare, the most sought-after and therefore the most expensive. But most diamonds have inclusions — scratches, trace minerals or other tiny characteristics that can detract from the pure beauty of the diamond. The GIA, AGS and IGI labs use a detailed system of rules and standards to summarize, note and mark the number, location, size, and type of inclusions present in a diamond.
Not Carried By MDC Diamonds
Flawless, Internally Flawless: No internal or external flaws. Internally Flawless: No internal flaws. Very rare and beautiful diamonds.
Very, Very Slightly Included: Very difficult to see inclusions under 10x magnification. An excellent quality diamond.
Very Slightly Included: Inclusions are not typically visible to the unaided eye. Less expensive than the VVS1 or VVS2 grades.
SI1, SI2, SI3:
Slightly Included: Inclusions are visible under 10x magnification, and may be visible with the unaided eye. A good diamond value. if you select a diamond from this category please contact us to ensure the diamond is eye clean.
I1, I2, I3:
Included: MDC does not carry diamonds of I-grade clarity.
Which Clarity Grade Is Best?
We recommend that you select an "eye-clean" diamond — one that has no inclusions visible to the unaided eye. An excellent value, diamonds of this clarity are much less expensive than IF or FL grade diamonds and typically do not contain visible inclusions that detract from the beauty of the diamond. If you're considering an SI grade diamond, call to speak to a diamond and jewelry consultant who will review the diamond to ensure the inclusions are not visible with the unaided eye. But, if you'd rather not compromise on clarity yet are budget conscious, choose a diamond with a good cut and H or lower color.
Clarity Grade Video:
Clarity Grade Slider:
Education and Guidance
View our education section for helpful information on more than just the 4 Cs.
Read what customers have to say
about their MDC Diamonds
My husband and I have been buying jewelry from Moishe of MDC Diamonds NYC since 2013. MDC Diamonds (...
My husband and I have been buying jewelry from Moishe of MDC Diamonds NYC since 2013. MDC Diamonds (and Moishe) is the only place I trust and will shop for diamonds period. But MDC Diamonds does so much more then just sell diamonds. They will customize a piece of jewelry that you see at Tiffany's or Winston's for substantially less or collaborate with you to design a one-of-a-kind piece of jewelry. At MDC Diamonds you have the ability to pick out the stones you want or you can do what I do - give Moishe your budget and he pick the most gorgeous stones to match it. I cannot say enough about MDC Diamonds. MDC designed my engagement and wedding bands, stunning diamond loop earrings along with several other pieces. Below is my newest piece!