Rare cobalt blue spinel in cushion cut 3.94 carats, Tanzania ID 6257
Certificate
Gemstone details
Weight
3.94 ct
Dimensions
9.45 × 9.23 × 6.15 mm
Origin
Clarity
eye-clean
Treatment
none
Cut
Cut quality
Precision cut by Gemstock
Certificate
GFCO GEM (Switzerland)
Custom make
Ring
Set
single gems
Color
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