Is a GIA Cert. diamond wiht a very thin girdle on an asscher (square cut emerald) something to avoid? It will be set in a 4 prong setting. Please give me opinions for you experts!
try reading this https://www.pricescope.com/tutor_girdle.asp and doing a search of the forumns on very thin girdles.
am a nebwie, but from what i gather, it depends on where the girdle is very thin. if it is in the tips it probably isn't an issue at any other time than when the diamond is set / unset. The tips should be covered by the prongs or they are likely to break no matter what the girdle thickness is. Best to have it determined by an independant appraiser, who can tell u if it is in a strategic place or not and how much of all girdle length is very thin.
Ideally the girdle grading should be in the range of thin, medium to slightly thin. A grading of extremely thin would not be recommended. If you love everything else about this particular Assher diamond but are only concerned with the very thin girdle, I would make sure I had a very experienced jeweler setting the stone. All of the fancy shapes with pointed edges are more difficult to set and there is a very small chance the sharp edges of the diamond could chip. So my advice to you is to talk to your jeweler first and then make your decision.
Thanks for the advice! I was just wondering about it because I wear my ring everyday. I didn't know if everyday wear would be a bad thing, laundry, housework, etc. I don't want something that I have to lay my hand on a pillow to wear.
Honestly a grading of very thin is not the best for an asscher or any stone that is going to be set into a four prong mounting. Medium would be your best bet on an Asscher...being a chunkier stone to begin with, a little width not only makes that shape look better, it will add security to it...especially if you're hard on yuor hands.
I suggest you to call the dealer and ask for a verbal description or, even better for a full OGI report which has a girdle graph. Maybe the girdle is very thin only in a very small part --especially if there is a natural or extra facet. Or is it very thin all the way? If the answer is yes, then I'd suggest you to pass!
If it is thin and exposed on either the left or right hand sides of the ring as you look down on your finger you have a very good chance of breaking the diamond because square stones are cut from octahedra and the cleavge direction is perfectly aligned to chip in that direction.
You can of course insure it and pass the problem along - but mark my words - if an asscher or any square stone with a very thin to thin girdle is set in a prong type ring, it will not be 'forever' the same.
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