VAN CLEEF & ARPELS TURBAN RING In a large yellow gold band, set with a cabochon emerald weighing approximately 9 cts, the shoulder paved with diamonds. Signed and numbered. A diamond and 18k gold ring set with a cabochon shaped emerald weighing approximately 9 cts, by Van Cleef & Arpels. G.R.S. certificate attesting: origin Colombia (Colombia), minor impregnation observed (minor oil), colour: vivid green. RC : Stone dimensions: 14.2 x 11.5 x 8.3 mm. TDD: 51; US: 6 (slightly modifiable). Inner ring. Gross weight: 14.4 g (18k - 750).