Indeed Rashid ! Heat treated blue sapphires have a low price-per-carat value than untreated natural blue sapphires. Both in terms of whole stone price...

Images of Sapphire Nos. 7 to 11 are found below :- Attached files

Images of Sapphires 1 to 11 falling above the range of US$100,000 per carat if uploaded side by side might help visitors to compare their color, cut a...

The same list of Kashmir sapphires above arranged in descending order of price-per-carat (ppc) values appears below :- 1) 28.18-carat, square emerald...

Thanks Yousuf, Peter, rashid and shah for fishing out more Kashmir blue sapphires that appeared at public auctions, and enriching our discussion. I th...

Rob Weesner was kind enough to respond to our query.We reproduce below his reply to our query for your kind information please. Hello Lareef, The th...

We referred your query to mineral expert and dealer in minerals Rob Weesner, whose email address is , who is also a participant in our forums. We repr...

Incorporating the two Ceylon blue sapphires highlighted by Sunil, in the list prepared by Yousuf and re-arranging the diamonds in descending order of ...

I just can't believe that Sotheby's would have taken that position, unless their gemologists had examined the stone and advised them that there is no ...

The best option to dispose of this enormous blue star sapphire of Ceylon origin weighing 510 carats, is to entrust the gem to one of the leading aucti...

Thanks Mike for your update, and Joan for your sharp observation and gemlite for your subsequent confirmation. It's indeed puzzling how the central 5....

The blue star sapphire weighing 510 carats of Sri Lankan origin, whose existence arihantsourcing has revealed, if true, is among the largest Sri Lanka...

Thanks Joan, John and Mary for taking us to the next logical topic in the discussion - the extremely rare chatoyant alexandrites - with two phenomenal...

Thanks Peter for your updates.The price-per-carat values of the Ceylon pink sapphires highlighted so far are as follows :- 1) 49.04-carat, cushion-cu...

Thanks gemlite for your update. The revised highest price-per-carat list for blue sapphires incorporating this information runs as follows :- 1)28.1...