markvchampion
Rough_Rock
- Joined
- Dec 10, 2012
- Messages
- 3
Hi there, I need some expert advice. I gave my fiancee a 1.5 carat princess cut diamond for our engagement. She wanted it remodelled and sent it to a jeweller for that job. Two hours after she was told the ring was completed in its new setting, she got a call to say the diamond had been found to be damaged. The jeweller blamed the previous jeweller and/or my fiancee for causing the damage - described by another jeweller, in this report,as having the following damage -
"I have examined the stone and evaluated it for re-cutting. Using an adjusted weight formula I estimate that to return the stone to good specifications will require an approximate reduction in size to 5.90mm Square ( present 6.20mm). Assuming the damage can be cleared at this size and that minimal overall depth is maintained this should arrive at a new weight of 1.37 ct. However, this is simply a calculated estimate as I will not be sure of the stones final dimension until the concave section of the cleavage is removed. This type of damage is quite unusual as the point area of a Princess cut is on 'True grain' and therefore pretty impervious to injury. The shape and nature of the damage suggests an under lying problem , probably an internal feature , being at the heart of the trouble. There are two, easily visible cleavages near the damaged corner which adds weight to this hypothesis. In answer to your question, 'Could this have resulted from removing the stone from it's setting'. In my experience damage like this occurs during setting , not unsetting. I've checked the mount under the microscope and there is no sign of an attempt to 'lift' a claw which is about the only way such damage could occur in unsetting. As to re-cutting. This isn't a simple job. It will require re-cutting of the two damaged girdles , the respective crown and pavilion facets plus the likelihood of having to re-centre the chevron set. I would expect a days work, 4-5 hours"
The jewellery store is still disputing who or what caused the damage and I believe its likely I will be forced to take them to dispute.
What is your view of our situation and what do you think the jeweller's response to what has been a very stressful situation?
Regards
Mark
"I have examined the stone and evaluated it for re-cutting. Using an adjusted weight formula I estimate that to return the stone to good specifications will require an approximate reduction in size to 5.90mm Square ( present 6.20mm). Assuming the damage can be cleared at this size and that minimal overall depth is maintained this should arrive at a new weight of 1.37 ct. However, this is simply a calculated estimate as I will not be sure of the stones final dimension until the concave section of the cleavage is removed. This type of damage is quite unusual as the point area of a Princess cut is on 'True grain' and therefore pretty impervious to injury. The shape and nature of the damage suggests an under lying problem , probably an internal feature , being at the heart of the trouble. There are two, easily visible cleavages near the damaged corner which adds weight to this hypothesis. In answer to your question, 'Could this have resulted from removing the stone from it's setting'. In my experience damage like this occurs during setting , not unsetting. I've checked the mount under the microscope and there is no sign of an attempt to 'lift' a claw which is about the only way such damage could occur in unsetting. As to re-cutting. This isn't a simple job. It will require re-cutting of the two damaged girdles , the respective crown and pavilion facets plus the likelihood of having to re-centre the chevron set. I would expect a days work, 4-5 hours"
The jewellery store is still disputing who or what caused the damage and I believe its likely I will be forced to take them to dispute.
What is your view of our situation and what do you think the jeweller's response to what has been a very stressful situation?
Regards
Mark