A=20,30 mm; B=13,30 mm; C=1,20 mm, sterling silver (AG-925)
A=14,50 mm; B=10,50 mm; C=1,80 mm, sterling silver (AG-925)
A=12,00 mm; B=9,50 mm; C=2,00 mm; D=2,20 mm, sterling silver (AG-925)