.30 Vintage Mid-Century Diamond Men's Ring 14kThis vintage men's ring from the Mid Century era features a single . 30 carat transitional cut diamond at the center. The fancy light brown diamond adds warm character to the design. Set in white gold against a 14 karat yellow gold band, the ring tapers from 11. 5mm at the center down to 4. 0mm. The stepped edges create architectural dimension along the profile.