Unlock the elusive puzzle to her heart with this contemporary green sapphire engagement ring. The 18k white gold band of this modern engagement ring has a unique design which resembles interlocking pieces of a puzzle. Prong set at the center of the band is a round natural green sapphire. This gemstone weighs 0.75 carats and has a yellowish green hue. This is a new green sapphire engagement ring with a contemporary flair. From the Topazery Earth Jewelry Collection.