Elegant Sapphire and Diamond Trilogy Ring in Platinum - 750 Hallmark #3524715 (License: Personal Use)

This exquisite platinum ring showcases a central round-cut deep blue sapphire, symmetrically flanked by two round brilliant-cut white diamonds, all secured in prong settings. The band is finely polished, with a discreet "MOT △ 750" hallmark indicating 18k white gold or platinum (750 parts per thousand purity), suggesting high-quality craftsmanship and authenticity.

Used on e-commerce product pages, jewelry blogs, or engagement ring galleries; targets users searching for sapphire engagement rings, luxury trilogy designs, or certified fine jewelry.