Platinum Phoenix Cut 0.54 Carat Diamond Ring. ATD068. This breathtaking certified Platinum ring has a 0.42 carat Phoenix cut central diamond and 0.12 carat brilliant cut pave set diamonds mounted on the shoulders. Certification: EVVS2. Phoenix cut diamonds are unique patented cut diamonds with 89 facets giving intense fire and brilliance. Handcut in Russia Phoenix cut diamonds are special in the fact that only a tiny fraction have the unique qualities needed to warrant being set into an elegant and unrivalled collection of rings, earrings, pendants and bangles in truly desirable platinum and 18ct gold. The result is a diamond like no other you'll ever see, with each diamond featured in the collection rewarded with laser inscription and certification.