There is no difference in rarity between a .50ct and a 2.00ct laboratory-grown synthetic diamond (in spite of what the sellers of synthetic diamonds will tell you). The cost to produce them is simply linear – time in the reactor = size of the cube. Period.
A jeweler asked, “What does it mean to be a Merchandiser? I explained what I experienced when I was searching for a merchandiser of our own to be a Balance to Buy™ consultant and found that the answer isn't simple!