Vintage pink tourmaline and diamond ring

A vintage 18 carat yellow and white gold ring with an oval pink faceted tourmaline in a halo of 12 single cut diamonds. 

The tourmaline measures 8 mm by 6.5 mm and is around a 1.70 carat stone. The single cut diamonds are .06 carat, VS in quality and H in color. The ring weighs 4.4 grams. 

The ring size is 17.00 mm, the size can be modified if necessary. 

The tourmaline is a beautiful vibrant deep pink color. The ring is robustly made and in good overall condition.