The Hamilton Silhouette Ring, exclusively at Hamilton Jewelers. Since 1912, Hamilton has offered timeless design and meticulous craftsmanship to our discriminating clients. We invite you to view our Bridal Collection, featuring brilliant diamond engagement rings to help you celebrate this enduring commitment. Crafted in platinum. The round brilliant diamond is 1.50 carats. G color and SI1 clairty. GIA certified. Hidden halo in the gallery features diamonds .05ctw. Mounting starting at $1,895