Oleg Cassini Crystal Paperweight Diamond Oval 128551 Oleg Cassini Crystal Paperweight Diamond Oval 128551 Signed Oleg CassiniI CrystalL Paperweight. Approximately 2" This elegant Crystal Paperweight in the shape of a princess sparkling diamond As the official designer for First Lady Jacqueline Kennedy he earned worldwide recognition. Excellent gift idea; elegant touch to your space.