I have a GIA cert which differs from the Sarin and I am now looking at a stone to buy which is AGS which differs from Sarin.
The stone with the AGS numbers ranks 1.2 on HCA.
The Sarin numbers make that stone a 1.6 on HCA.
A couple of tiny fractions and the HCA changes.
I assume Sarin is correct?
The stone with the AGS numbers ranks 1.2 on HCA.
The Sarin numbers make that stone a 1.6 on HCA.
A couple of tiny fractions and the HCA changes.
I assume Sarin is correct?