Four bands of contrasting 18K Yellow, White, Red and Green soldered together. Superior strength and comfort. Add an 18K Tiffany-style engagement ring with a 6-prong setting. I’ll help you select the perfect certified diamond to complete your set. Pictured: 8 X 1.75MM, size 8 & 11.25. 18K Royal Yellow engagement ring 3 X 1.5 MM, 6 Prong Solstice Platinum Setting, 1.0 CT CZ. SPECIAL ORDER ONLY.