Composed of numerous oval, pear- and cushion-shaped rubies and circular-cut diamonds looped to the front, embellished with baguette diamond-set scrolls, the rubies together weighing 150.58 carats, the diamonds together weighing approximately 33.00 carats, mounted in platinum, signed French assay marks and maker's marks for Jacques Timey, length approximately 358mm.

Accompanied by GIA report numbered 7288210082, dated 22 February 2018, stating that the 150.58 carat rubies are natural, Red to Vivid Red colour, of Burmese origin, with no indications of heating; with comments, stating that 'The color appearance of some of these stones is described in the trade as "Pigeon's Blood".';

Gübelin report numbered 18031002, dated 4 April 2018, stating that the 150.58 carat rubies are natural, Red colour, of Burmese origin, with no indications of heating; with tradecolour, stating that 'A few of the rubies are called Pigeon Blood Red'; with appendix, stating that 'The rubies described...possess a saturated and homogeneous colour. A few of them display a richly saturated Pigeon Blood Red colour. In addition, these remarkable gemstones have been spared of thermal treatment. A matched set of Burmese rubies of this size, and possessing such a combination of characteristics is rare.'

SSEF report and premium book numbered 98235, dated 7 March 2018, stating that the 150.58 carat rubies are natural, Red colour of medium strong to strong saturation, of Burmese origin, with no indications of heating; with comments, stating that 'The colour of some of these rubies may also be called "Pigeon Blood Red" based on SSEF reference standards'; along with an appendix letter, stating that 'The natural ruby necklace described...possesses extraordinary characteristics and merits special mention and appreciation...These rubies have been carefully selected for this necklace and are characterised by an attractive and beautifully saturated colour and a fine matching quality. The small inclusions found...are the hallmarks of rubies predominately from the reputed deposit in Mong Hsu and from the classical ruby mines in the Mogok valley...Their attractive and saturated red colour - for some of these rubies poetically referred to as  "Pigeon Blood Red" - is due to a combination of well-balanced trace elements, which are characteristic for the finest rubies from Burma...Assembling a selection of natural rubies from Burma of this matching quality can be considered rare and exceptional.'