Stunning 14ct Gold and Platinum Natural Colour-Change Sapphire Floral Spray Brooch. The brooch set with four natural Ceylonese colour-change sapphires, measuring approx    and one other  and natural yellow Ceylonese sapphires measuring approx   mm. The floral spray also set with a further ten 6 x 4 and ten 5 x 4mm natural Ceylonese yellow sapphires; two 10 x 7mm natural carved rubies (possibly Burmese), one 25 pts old-cut diamond and one 120pts old-cut dias, ten 6 x 4mm and ten 5 x 4 mm midnight blue sapphires, approx 32.4 gms and measures     mm. Note: Complete with a Pearl & Gem Certificate dated 15th July 2019, certificate number   stating no evidence of heat-treatment, sapphire exhibiting blue and violet colour change.