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J.B. Grading System

Our diamonds pass through rigorous quality control and are assessed finely by qualified craftsmen. Each flawless diamond complies with stringent specifications of color, clarity and shape.

Carat

The unit of measurement used to describe the weight of diamonds is called 'Carat'. The 'Carat' weight is commonly expressed in points or fractions.

  • 1 carat is equal to 0.2 grams, or 0.007 ounces
  • 5 carats is equal to 1 gram
  • 141.7 carats is equal to 1 ounce
  • There are 100 points in 1 carat. For instance, 0.33 carats is generally expressed as 33 points, or 1/3 of a carat.
Carat means weight of diamond which reflects its size. One carat diamond weighs 100 cents. (1 ct = 100 cents ) Diamond sizes can be expressed by its weight (unit), pointers or stones per carat.
Price consideration with Size Range Weight (unit): 1ct=100 cents 5cts = 1.000gms
0.15 0.15 - 0.17
0.18 0.18 - 0.22
0.23 0.23 - 0.29
0.30 0.30 - 0.39
0.40 0.40 - 0.44
0.46 0.45 - 0.49
0.50 0.50 - 0.59
0.60 0.60 - 0.69
0.70 0.70 - 0.74
0.75 0.75 - 0.79
0.80 0.80 - 0.89
0.90 0.90 - 0.99
1.0 1.00 - 1.19
1.20 1.20 – 1.49
1.50 1.50 – 1.69
1.70 1.70 – 1.99
2.00 2.00 – 2.99
3.00 3.00 – 3.99
4.00 4.00 – 4.99
5.00 5.00 – 6.99
7.00 7.00 – 9.99
10.00 10.00 - 999.99