UNMOUNTED PARAÍBA-TYPE TOURMALINE 24.10克拉天然「莫桑比克」帕拉伊巴類碧璽 Certificates: GRS, Paraíba-type tourmaline, natural, 24.10cts, pastel greenish-blue (GRS type 'Paraíba'-colour), Mozambique, heated (GRS2020-108441, 28 October 2020) GIA, tourmaline, 24.10cts, greenish blue, Mozambique; with comment 'this copper and manganese bearing tourmaline may be called 'paraíba tourmaline' in the trade.' (6352760708, 26 August 2020) Footnotes: Please note that the report is over five years old and may require an update. 請注意上述證書發行達五年以上，或須更新 CONDITION REPORT: Paraiba-type Tourmaline: Lively stone. Of blue hue, medium saturation and tone. Eye-clean; and upon 10x magnification and closer inspection, indented naturals are observed. This condition report is provided for your convenience based on the opinion of our specialists. Bonhams is not responsible for any discrepancies between this information and other opinions. The condition of lots can vary widely and the nature of the lots sold means that they are unlikely to be in perfect condition. The dimensions and weights of diamonds and gemstones are approximated using measurements and given as a courtesy, please consider them as an estimation only. Please note additional images and videos are available upon request, kindly contact the jewellery department at jewellery.hk@bonhams.com For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing