The house of Adler is one of the less well-known jewelry houses today. It was founded in the late 19th century in Istanbul, and moved its base of operations to Geneva in the 1970s. Their current collection is modern, but strongly classical in many ways. They tend to build, using multiple layers of repeated design or multiple strands in a necklaces, or multiple courses of stones.
Here are some samples of their current top-of-the-line collection, there will be another post later with more
Precious Ebony ring, a 10ct oval diamond set in 18kt white gold flanked with two pieces of carved Ebony and about 1ct of other diamonds
Amazonie necklace, 21ct of brown diamonds, 66ct of white and 11ct of black diamonds surround the 5ct pear-shaped brown diamond set in the snakes head. For an example of how large that piece really is, and what it looks like on a person, rather than a while background, this is that same necklace on Francesca Eastwood, Clint's daughter at a 2009 debutante ball
Blue Dreams necklace, set with diamonds and sapphires, the three primary stones are a 30ct cushion-cut Madagascar sapphire (upper) and a 25ct pear-shaped Sri Lanka sapphire (lower), with a pear-shaped diamond between
Except where noted, all pictures from Adler