7.57 ct Old Mine Cut Diamond Ring set in the Original Platinum 1915 Ring

WOWZER!  This is a 7.57 ct Old Mine Cut Diamond in its original setting from 1915.  So blindingly beautiful and visible without your readers!   

We recently acquired this piece and had it repolished by the Diamond Wizard, Maarten deWitte.  We then sent it to GIA for a laboratory report and had the mounting restored for a new generation of enjoyment.  

Link for GIA Laboratory Report.
 Diamond: Natural
Weight: 1=7.57cts exact weight
Measurements: 12.27 x 11.67 x 7.43 mm
Color: N
Clarity: I2
Cut: Old Mine Cut
GIA Laboratory Report No. 6237113648 with inscription on girdle

Dimensions: 12.1 - 1.6 mm wide / 7.8 mm high off finger
Metal: Platinum
Markings: PLAT
Size: 6.5
Weight: 6 grams
Circa: 1915
Condition Rating: 8 (prongs were rebuilt and stone was re-polished and sent to GIA for a laboratory report, than reset into original mounting)