【Comment…】 This piece of jewelry has obtained appraisal reports from the world-renowned gemological laboratories IGI and GIA. The blue sapphire used is unheated and sourced from Myanmar. ■ Work Title｜Myanmar Pt850 Ring with Extra-Large 4.05ct Natural Unheated Blue Sapphire and Diamonds ■ Brand｜Ikezoe Gallet & Romeo ■ Condition｜New ■ Country of origin｜Made in Japan ■ Material｜Unheated blue sapphire 2.91ct, Natural diamond 1.14ct, Pt850 ■ Original｜Unheated Myanmar Intense blue sapphire ■ Color｜Blue（Sapphire）｜Diamond（F-G） ■ Cut｜VERYGOOD-GOOD（Diamond） ■ Clarity｜SI（Diamond） ■ Transparency｜Transparent（Sapphire） ■ Weight｜8.67g ■ Size｜52 (EU) ■Measurements｜9.25×6.73×4.61 mm（Sapphire） ■ Engraving｜2.91, D1.14, Pt850 ■ Accessory｜Box, GIA report（No.6475316254）,IGI report（No.31J2528626） ■ Shipping｜ Japan Post（EMS） ■ Note ※There are small scratches on the girdle of the main stone (see image). ※Due to the nature of this product, it cannot be shipped together with other items. ※Please refer to all pictures for the condition of the item. ※Regarding size - Please allow for slight variations in measurements.