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Recut Weight Loss
This very small chip could just be repaired depending on how critical the symmetry is. 1% to 4% weight loss depending on the decision of a light recut versus a repair.
Small to medium sized chip running partly down the pavilion but not traveling very far into the stone. 7% to10% loss in recutting.
A medium size chip that will be obvious to the naked eye and will make a dent into the outline of the stone. 13% to 17% loss.
A medium to slightly large chip or two small to medium size chips opposite each other. 23% to 27% loss.
A large chip which is extremely obvious to the naked eye. This type of weight loss is also caused by a chip running completely through the culet. 28% to 32% loss.
A large portion of the diamond has chipped away from the culet area. 34% to 38% loss.
The following illustrations are based on non-proportion repair, which is the recutting of a damaged diamond to, or very close to, its original proportions. Again, improving proportions can cause additional weight loss on either a chipped or a non-chipped stone. The indicating factor of weight loss is not the surface area that a chip covers, but rather it is the chip's depth into the stone. This also applies to a culet that has been broken away by a large chip.
