Centering on an oval-cut tourmaline, to the diamond set shoulders and basket, mounted in white gold

Metal: 18k white gold
Diamonds: 38 round and 6 square-cut diamonds stated to weigh a total of 0.70 carat
Tourmaline: 1 oval-cut tourmaline measuring approximately 10.79 x 8.29 x 5.13 mm
Certificate: With report no. 6193624674 dated 7 September 2018 from the Gemological Institute of America stating that the tourmaline is Blue-Green. The comments further states that "this copper and manganese bearing tourmaline may be called "paraiba tourmaline" in the trade. The name "paraiba" come from the Brazilian locality where this gem was first mined, however today it may come from several localities.
Marks: 18K 750 D070
Size/Dimensions: US ring size 6.75
Gross Weight: 5.3 grams