Diamond Engagement Ring Set Sidestones 3CTW (Center Stone 1ct) in 14K White Gold. Free Shipping - 30 Day Returns - Appraisal Certificate Included. This beautifully designed diamond ring has been meticulously crafted to perfection. Exclusively designed by the Brillianteers Diamond Studio guaranteeing its quality and excellence. Each stone is hand picked and inspected making sure that it has the ultimate sparkle and brilliance. Our unique classic designs will be sure to draw compliments anywhere you go and will be cherished for a lifetime. .