Victorian Two-Tone Diamond Engagement Ring in 18k.  Bypass rings are timeless works of art! This stunning Victorian era engagement ring features a .76 carat old European cut diamond and diamond accents in two-toned 18 karat white and 18 karat yellow gold. The old European center diamond has a glittering, warm white hue. The center diamond is prong set and accented by twelve (12) old mine cut diamonds. Multi-faceted and expertly designed, the collection of diamonds are mounted in 18K white gold and finished on an architectural 18K yellow gold bypass band.