Centering on a pear-shaped double rose-cut green-blue tourmaline, to the round diamond shoulders, mounted in white gold

Metal: 18k white gold
Diamonds: 40 round diamonds with approximate total weight of 0.25 carat
Tourmaline: 1 pear double rose-cut tourmaline measuring approximately 12.80 x 8.95 mm (depth not measureable due to mounting)
Certificate: With report no. 5192552980 dated August 16th, 2018 from the Gemological Institute of America stating that the tourmaline is Green-Blue and is of Mozambique origin. 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
Size/Dimensions: US ring size 10, 15.6 mm at widest point
Gross Weight: 5.8 grams