Birks, an Art Deco fancy-yellow and white diamond ring

Birks, an Art Deco fancy-yellow and white diamond ring, the square step-cut fancy vivid yellow diamond weighing 1.78ct, between two triangular-shaped white diamonds to shoulders each set with a band of calibré-cut sapphires framed by single-cut diamonds in platinum, signed Birks, stamped Plat, size N 1/2

Accompanied by GIA report number 1162559469 dated 8th September 2024 stating that the square step-cut diamond is 1.78cts, fancy vivid yellow colour, VVS1 clarity, no fluorescence.