open cut down collet set with 58 old round and cushion cut diamonds, mounted in silver and gold, hinged loop to front for pendant, later tongue fitting, approximately 27.50cts of diamonds in all Length 40cm / 15�''
Width across central collet 0.7cm / 5/16'' Weight: 32g
Early 20th century single stone sapphire, pearl and diamond pendant by Cartier, Paris c.1910, workshop mark of Henri Picq, together with a diamond set necklace, the pendant set with a round cut Ceylon sapphire 14.65ct,
Early 20th century Russian diamond scroll collar necklace by Vassily Finikov, St. Petersburg, reputedly by Bolin and gifted in 1905 to Duchess Cecilie of Mecklenburg-Schwerin, converting to a tiara,