White-and-crimson necklace: 16" x .42" x .24" 
452 mm x 10.75 mm x 6.05 mm

White-and-bluegreen necklace: 19.75" x 1.28" x .26" 
502 mm x 32.61 mm x 6.53 mm

Lilac-and-orange necklace: 16.75" x .47" x .24" 
425 mm x 12.00 mm x 6.01 mm