This is a year of record-breaking diamonds, which includes the Graff Constellation, 102.79cts, the largest round brilliant cut, D colour Internally Flawless diamond in the world; the Delaire Sunrise, 118.08cts, the largest square emerald cut Fancy Vivid Yellow diamond in the world; and the rare Graff Pink, 23.88cts, a Natural Fancy Vivid Pink Internally Flawless Type IIa diamond.