577
A Red Spinel and Diamond Ring
<em>Gübelin Report: No origin, no indications of heating</em>
<em>GRS Report: Burma, no indication of thermal treatment</em>
<em>GIA Report: F colour, VS1 clarity</em>
<em>GIA Report: E colour, VS2 clarity</em>
<em>GIA Report: E colour, VS1 clarity</em>
<em>GIA Report: F colour, VS2 clarity</em>