Platinum Diamond Halo RingPlatinum Diamond Halo Ring Make a statement with this exquisite platinum ring featuring a brilliant round cut diamond at the centre weighing 0. 30 carats, with a clarity grade of SI1 and colour grade of D. The centre diamond is accentuated by a dazzling halo of diamonds weighing 0. 15 carats, creating a stunning and radiant look. Certified by GIA (Gemmological Institute of America). Key Features: Material: Platinum Central Stone: Round Brilliant Cut