Undoubtedly the most impressive gemstone we\'ve ever had the pleasure of working with, the magnificently presented genuine Siamese ruby has been skilfully cut into an octagonal emerald shape. Boasting a brilliant array of red light flashes and an almost internally flawless structure, it\'s a true gift from Mother Nature. Single 6.5 ct ruby, grade AA/VS1. Octagon cut. Pendant hangs from gold box chain with spring clasp, length options from 14\" to 24\". Available chain thickness 0.42 mm (pictured) and 0.52 mm.