David Yurman, impressive wide band, three stone Renaissance Ring with Blue Topaz & Peridot in Sterling Silver & 14k Yellow Gold. 
 
Designer: David Yurman
Weight: 14.5 grams
Width: 5/8''
Size: 6
Main Stone: Blue Topaz
Blue Topaz Measurements: (1) 8.9 x 6.11mm
Citrine Weight: (2) 5.92 x 5.92mm 
Metal / Purity: .925 Sterling Silver & 14k Yellow Gold
Hallmarks: DY 925 585
Era: Contemporary
Condition: Pre-Owned, Normal Signs of wear