Diamond double collet and platinum tracelink chain necklace, spaced by 101 short tubular platinum links crimp-collet set to each side with a round brilliant cut diamond, approximately 12cts in all
Late 19th / early 20th century Russian spectacle set sapphire and gold long chain necklace by Fyodor Ruch of St. Petersburg, assayed Moscow 1898-1908, the chain spaced by 24 cushion, round and oval cabochon sapphires,
Diamond double collet and platinum tracelink chain necklace, spaced by 101 short tubular platinum links crimp-collet set to each side with a round brilliant cut diamond, approximately 12cts in all