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## How do you determine carats?

Measure the length and width of your stone, and find the length-width pair on the left that is closest to the measurement you’ve taken; on the right is the corresponding estimated carat weight: **4.0 x 3.0 mm – 0.20 ct**. **4.5 x 3.0 mm – 0.25 ct**.

## How can you tell how much a diamond is worth?

To calculate diamond price, first, choose a color grade (leftmost column) and a clarity grade (top row). Next, **multiply the number shown at their intersection by 100, then multiply that number by the carat size**. For example, an I-color grade, VVS2-clarity grade diamond would cost $3,000 per carat.

## How do you tell if a diamond is real with a flashlight?

A sparkle test is quick and easy to do since all you need are your eyes. Simply **hold your diamond under a normal lamp and observe the bright shimmers of light bouncing off the diamond**. A real diamond provides an exceptional sparkle since it reflects white light extremely well.

## What is bigger 1 4 carat or 3/8 carat?

A jeweler may describe the weight of a diamond below one carat by its ‘points’ alone. For instance, the jeweler may refer to a diamond that weighs 0.25 carats as a ‘twenty-five pointer.

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Diamond Carat Weights.

Fraction | Measurement Unit | Decimal |
---|---|---|

3/8 | Carat | .37 – .44 |

1/2 | Carat | .45 – .57 |

5/8 | Carat | .58 – .68 |

3/4 | Carat | .69 – .82 |