Ring in 18k gray gold (750‰) adorned with a square princess-cut 6,37 carat solitary mount diamond set

Ring in 18k gray gold (750‰) adorned with a square
princess-cut 6,37 carat solitary mount diamond set
between two triangle-cut diamonds
Ring size: 52
Gross weight: 6,33 g
With an LFG laboratory certificate no. 190100 dated
23/09/2009 indicating:
Color: H
Purity: SI2