Corundum variety Sapphire carats, Sri Lanka) ~ Donated by Mrs. John A. Logan in This magnificent gemstone was cut from a crystal mined in Sri Lanka & is one of the world's largest faceted Blue Sapphires (about the size of an egg).
Sapphire and diamond brooch. The stylized foliate scroll set in the center with a shield-shaped sapphire weighing carats, completed by 19 marquise-shaped, 61 baguette and 27 round diamonds weighing approximately carats, mounted in platinum.
A colour-changing sapphire and diamond ring. Set with an oval-cut colour-changing sapphire, measuring carats, partially framed by round brilliant-cut diamonds, flanked by tapered baguette-cut diamonds, between shoulders set with baguette-cut diamond
Sapphire and diamond necklace, late century. It is of bow and foliate swag design, millegrain-set with variously cut sapphires and circular, single, cushion-shaped and rose diamonds. It detaches into 6 pieces so that the jewels can be worn separately.
A SAPPHIRE AND DIAMOND NECKLACE The front suspending five oval-cut sapphires surrounded by rose-cut diamonds, enhanced by a series of rose-cut diamond swags and rose-cut diamond drops, joined by a rose-cut diamond backchain to a sapphire and diamond clas