The need for obtaining three independent country-of-origin reports was clearly meant to reassure any prospective bidder/buyer that the blue sapphire w...

In one of your previous write-ups on Gemstone Geographic Origin Determination and their limitations, you had stated that some renowned laboratories in...

Yes indeed John ! According to Richard W. Hughes, whether one likes it or not, there is a definite market ranking for sapphire according to origin in ...

The following comments on various aspects of Polly Guggenheim Logan's life by a friend of the Logan family, Mr. Donald Dewey was received by me via e-...

The first and second most expensive blue sapphires in the world, the Star of Kashmir Sapphire and the Hill's Kashmir Sapphire, being of Kashmiri origi...

Thanks Afrojack for your timely update on the "STAR OF KASHMIR SAPPHIRE" and the images of the three most expensive sapphires in the world. Hoping for...

At the Christie's Magnificent Jewels Sale 1397, held in Geneva on May 15, 2013, "The Star of Kashmir Sapphire" featured as Lot No. 247 and was describ...

Further Comments on Kashmir Sapphires by Haji Abdul Majid Butt, Geoscientist. Haji Abdul Majid Butt, GEOSCIENTISTJune 29, 2013 at 2:33 pm I AM IN LON...

I am not an authority on the evaluation of non-nacreous, blister pearls originating from the giant clam Tridacna gigas. But, I could give some useful ...

But, what about Mr. Don Gonzales original request to assist him in not only evaluating the "pearl" but also finding a prospective customer?

Agreed Diamanta, your suggestion is in order, and Mr. Don Gonzales is well advised to get his non-nacreous blister pearl examined and authenticated by...

Before any form of evaluation of the Don Gonzales Pearl the first step would be the examination and authentication of the blister pearl by an establis...

The website of Kari Pearls - - give details of several other Tridacna gigas blister pearls, but none of them are as impressive as the "Pearl of Elias...

Thanks Maryjewel for your update. Comparing the photographs of the "Pearl of Elias" you have uploaded with those of the "Don Gonzales Pearl" leads to ...