Thanks Mary for your update. Your contribution has indeed helped us a lot in setting the record straight on the most expensive Kashmir blue sapphire i...

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

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-...

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...

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 ...

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...

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 ...

The NMNH's webpage in its Gem Gallery on the Logan Sapphire (Catalog No. G3703), reveals a very significant fact about the "Logan Blue Sapphire" not i...

Thanks John for your update on the different facets of the life of Mrs. John A. Logan, a remarkable lady, whose efforts touched the lives of many Amer...

The third and most important contribution was made by Mrs. Beverly Pollard Page, mother of Jennifer Page, and niece to Mrs. John A. Logan. Beverly Po...

The second contribution to our webpage was by Mrs. Alice Payne, who had the privilege of working for Mrs. John A. Logan as her personal accountant fro...

Hello Tentate,I have studied the images you uploaded relevant to the question you have raised, after enlarging the photos using XnView. As you have su...