Tanzanite Halo Studs

Size Guide

14K White Gold Tanzanite and Diamond halo studs. The stunning Tanzanites are 5 1/2 mm in size.

Please contact us for other available gemstones such as Green Tourmaline, Grape Garnet, Aquamarine, Rhodolite Garnet, Blue Zircon and Blue Sapphire.


Related Items

Ring Size Conversion Chart
SKD RING SIZE Inside Diameter in millimeters American Size
45.24 14.40 3 1/2
45.5 14.48
45.75 14.56 3 3/4
46 14.64
46.5 14.80 4    
47 14.96 4 1/4
47.5 15.10
47.73 15.20 4 1/2
48 15.30
48.5 15.44 4 3/4
49 15.60 5    
49.5 15.76 5 1/4
50 15.90
50.24 16.00 5 1/2
50.5 16.10
51 16.23 5 3/4
51.5 16.39 6    
52 16.55 6 1/4
52.5 16.70
52.75 16.80 6 1/2
53 16.90
53.5 17.03 6 3/4
54 17.19 7    
54.5 17.30
54.64 17.40 7 1/4
55 17.50
55.26 17.60 7 1/2
55.5 17.70
56 17.83 7 3/4
56.5 17.99 8    
57 18.10
57.15 18.20 8 1/4
57.5 18.30
57.78 18.40 8 1/2
58 18.50
58.5 18.62 8 3/4
59 18.78 9    
59.5 18.90
59.66 19.00 9 1/4
60 19.10
60.29 19.20 9 1/2
60.5 19.30
61 19.42 9 3/4
61.5 19.58 10    
62 19.70
62.17 19.80 10 1/4
62.8 20.00 10 1/2
63 20.05
63.43 20.20 10 3/4
64 20.37 11    
64.68 20.60 11 1/4
65 20.70
65.3 20.80 11 1/2
66 21.01 11 3/4
66.57 21.20 12    
67.2 21.40 12 1/4
67.82 21.60 12 1/2
68.45 21.80 12 3/4
69.1 22.00 13