I AM A NOVICE WHEN IT COMES TO DIAMONDS, THEREFOR I''VE BEEN DOING A LITTLE RESEARCH AND HAVE DECIDED TO LOOK INTO PURCHASING THE MOST COLORLESS (D) EYECLEAN (S1) DIAMOND. I HAVE READ THESE FORUMS FROM PRICESCOPE FOR THE PAST COUPLE OF WEEKS AND WOULD LOVE FOR SOMEONE TO TELL ME WHY IS THERE SUCH A SCARCE AMOUNT OF D COLOR S1 DIAMONDS? I HAVE ONLY BEEN LOOKING FOR THE BEST CUTS. BLUENILE SIGNATURE IDEAL, WF H&A, AND GOG ACA''S. I AM ONLY SEARCHING FOR PREMIUM CUTS AS I WANT A DIAMOND WITH THE MOST SPARKLE, FIRE AND BRILLIANCE. I AM ROUGHLY LOOKING FOR A DIAMOND ABOUT 1.2 CARATS. ONCE AGAIN MY QUESTION IS WHY ARE THERE SUCH A SCARCE AMOUNT OF RB, PREMIUM CUT, D COLOR S1 DIAMONDS? THANK YOU IN ADVANCE FOR YOUR RESPONSES.