wholesale opal jewelry How big is 7 carat diamonds

wholesale name plate jewelry 1 carat = 0.2 grams, 7 carat = 1.4 grams.
I tell you the diamond ring: 0.5 carat's diamond ring thousands or even tens of thousands of dollars for tens of thousands of dollars. Of course, the brand's different prices will be far away. However, the Tiffy brand has hundreds of thousands of diamond rings. However, if a small diamond is inlaid, two or three carats are much cheaper. The price of the same weight, the price of the whole diamond and the small piece of diamonds is very different. The price of 0.1 carat diamonds and 1 carat diamonds is not 10 times, but dozens of times, which is a geometric level increase.
The following is a diamond of a certain brand. It is less than 3 carats (Figure 1 and Figure 3), hundreds of thousands, and small (middle map) carats are similar, but the price is only more than 100,000.
Is my answer is helpful to you.
Is happy you New Year!