18ct Yellow Gold Whitby Jet 0.67ct Diamond Cushion Ring 311.6699.06.0 This elegant dress ring features a stunning cushion shaped central piece of the finest Whitby Jet stone that has been sourced directly from the north east coast of Yorkshire. The stone is set within exquisite 18ct yellow gold and surrounded by a double row of dazzling pave set diamonds. The shoulders of the ring are split on each side and are also channel set with diamonds. Diamond Quality is G/VS and total 0.67 Carat. All our Whitby Jet jewellery is designed and crafted within our very own workshops in Derbyshire where a team of skilled craftsmen turn the raw Jet into these stunning pieces of jewellery. You can find other matching Whitby Jet jewellery and other Whitby Jet rings on our website. 18ct Yellow Gold Cushion Whitby Jet 0.67 Carat Diamond Ring. 9mm x 9mm Centre Jet Stone. 15mm x 15mm Diamond Frame plus 13mm height.