Your question implies that the number is less than one full carat, so you could also write it as .59 carat -- rounding up, meaning that the stone weighs just over half a carat.
A carat diamonds size is 3.5mm.
No, a one carat tanzanite gemstone and a one carat diamond are not the same size. Tanzanite is less dense than diamond, so a one carat tanzanite will typically appear larger in size compared to a one carat diamond.
Carat is not a measurement of size, its weight. 200 miligrams=1 carat
If 7.7 is the carat weight, then the size is 7.7 carats. The millimeter measurements of a diamond with this weight will vary, depending on the cut.
The carat size of a diamond should be determined by a certified jeweler. There are two different sizes the is the millimeter size which as stated was 7mm and then a jeweler can give a carat size.
each carat is 200 miligrams
carat
It can be resized.
One carat equals 100 in this example. If the diamonds are of equal size, then each diamond weighs 4.5454545 carats.
1 carat = 100 cents = 6.5 mm = solitaire
The diamond weighs 40/100ths of a carat. Other measurements depend on the style of its cut.
Carat is a weight measurement for a diamond: here size matters -- bigger is better, biggest is best.