Shop › Penta ring with 3 diamonds Image 1 of 2 Image 2 of 2 Penta ring with 3 diamonds $2,295.00 Sold Length 1.0625" x width .5" x height .3125", size 6 3/4, 24 karat gold, oxidized sterling silver. Sold Added! Length 1.0625" x width .5" x height .3125", size 6 3/4, 24 karat gold, oxidized sterling silver. You Might Also Like Boulder Opal Ring in 22k and sterling silver $1,650.00 Sold Chinese Turquoise ring $1,795.00 Sold Chinese Turquoise $1,795.00 Rutilated Quartz ring $2,195.00 Rounded Triangular Labradorite Ring $2,150.00