Estate Betteridge Collection Tri-Color Sapphire Clover Brooch with Ruby & Diamond

Antique tri-color sapphire clover brooch in 18k rose gold with circular-cut rubies and diamonds. Three sapphires weighing approximately 5.86 total carats (the blue sapphire weighing approximately 1.50 carats, the pink sapphire weighing approximately 1.76 carats and the yellow sapphire weighing approximately 2.60 carats), diamonds weighing approximately 2.20 total carats and rubies weighing approximately 1.50 total carats. Manufactured circa 1870. "#473 65" engraved on stem. 1 1/2" length, from the top of the clover to the base of the stem.