Today on Blue Nile, the going price you pay for this cut/ carat weight will be between US$2,657 and US$18,221, depending on the clarity and shade of white diamond you want.
The value of a diamond depends on its cut, its clarity, its colour and its carat weight. A local jeweler can give you the answer you want.
It refers to the weight of the diamond.
Celeste 2.50 Ct Lab Diamond Emerald Cut Engagement Ring
Today on Blue Nile, you can purchase a diamond of this weight and pay between US$7,982 and US$38,169, depending on the cut, clarity, colour and exact carat weight that you want.
Today on Blue Nile, you can buy a diamond of this carat weight and pay between US$53,513 and US$875,602, depending on the exact carat weight, colour, cut and clarity that you want.
You can visit your local jeweler and price rings in your price range. The price depends on the quality of the diamond, and the metal you choose, plus whatever artisan time is invested in creating the jewelery you want.
You've given the carat weight, up to 60% of which can be lost in cutting. The market price depends on the broker you sell it to, and the criteria used in that transaction will be the colour and clarity of the raw stone.
A 25 carat diamond will be difficult to find, since that size of stone is larger than most diamond merchants have on hand. For comparison, however, the link below shows the auction price of a 35+ carat stone, which sold for over US$24 million.
A one carat diamond weighs one carat, or .20 grammes.
This is a relatively tiny diamond. Take it to a jeweler and ask for an evaluation.
An eighth of a diamond carat, if it is a round cut, measures about 3.2mm at the girdle.
The letters CT stand for carat, the weight measurement for diamonds. One full carat -- 1.00 CT -- weighs .02 grammes. A diamond weighing 0.010 carat equals one one-hundredth of a carat.