Shop › Engagement Ring-Twist Shank. Image 1 of 12 Image 2 of 12 Image 3 of 12 Image 4 of 12 Image 5 of 12 Image 6 of 12 Image 7 of 12 Image 8 of 12 Image 9 of 12 Image 10 of 12 Image 11 of 12 Image 12 of 12 Engagement Ring-Twist Shank. $2,612.50 14 KT white gold L.G. round center diamond 1.60 ct. 100-cut facets. 21 side stones 1.73 ct. 3.07 g. GSI certified. Add To Cart Added! 14 KT white gold L.G. round center diamond 1.60 ct. 100-cut facets. 21 side stones 1.73 ct. 3.07 g. GSI certified.