Moissanite Platinum Trilogy Engagement RingThis sparkling platinum ring is set with three moissanites, a lab grown alternative to diamonds. Viewed as a more environmentally friendly choice because there is no mining involved, moissanites are growing in popularity with people who care about the planet. The centre stone is an oval cut 8mm by 6mm moissanite and it is framed by round moissanites which are brilliant cut, one on either side. The brilliant cut moissanites are 3. 5mm in diameter. The