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Ready to design your perfect ring? Book an Appointment →
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Under €1.499 €1.499 – €3.499 €3.499 – €5.999 €5.999+
01
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Invisible Diamond
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Diamonds set so close they appear to float — our most distinctive and coveted setting technique.
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02
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Same brilliance as mined diamonds, grown with intention. Ethically sourced and GIA · HRD · IGI certified.
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EXPRESS DELIVERY 1–3 DAYSA hand-picked selection of in-stock pieces leaving our Antwerp atelier the same day you order.

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News

Size Guide

Find your perfect fit. When in doubt our Antwerp experts are happy to help.

Our sizes are in millimetres (inner circumference). Measure the inside circumference of an existing ring, or wrap a thin strip of paper around your finger and measure the length in mm.

Our Size	Inner Circ. (in)	⌀ mm	US & Canada	UK / Ireland	Germany	Japan
44	1.73	14.0	3	D	14	—
45	1.77	14.3	3¼	D½	14.25	4
46	1.81	14.6	3½	E	14.5	5
47	1.84	15.0	3¾	E½	15	7
48	1.88	15.3	4	F	15.25	8
49	1.97	15.6	5¼	K	16	—
50	1.99	15.9	5½	K½	16.25	10
51	2.02	16.2	5¾	L	—	11
52	2.04	16.6	6	L½	16.5	12
52	2.07	16.6	6¼	M	16.75	—
53	2.09	16.9	6½	M½	17	13
53	2.12	16.9	6¾	N	—	—
54	2.14	17.2	7	O	17.25	14
55	2.17	17.5	7¼	O½	17.5	—
55	2.19	17.5	7½	P	17.75	15
56	2.22	17.8	7¾	P½	—	—
57	2.24	18.1	8	Q	18	16
58	2.27	18.5	8¼	Q½	18.25	17
58	2.30	18.5	8½	R	18.5	—
59	2.32	18.8	8¾	R½	18.75	18
60	2.35	19.1	9	S	19	19
61	2.40	19.4	9½	T	19.5	21
62	2.44	19.7	9¾	T½	19.75	22
63	2.48	20.1	10	U	20	23
64	2.52	20.4	10¼	U½	20.5	24
65	2.56	20.7	10½	V	20.75	25

Measure the circumference of your wrist with a soft tape measure. Add 2 cm for comfortable wear — tennis bracelets move with you and feel best with a little ease.

Our Size	International Size	Wrist Circumference (cm)	Wrist Circumference (in)
16 cm	Small	14 – 15 cm	5.5 – 5.9 in.
17 cm	Medium	15 – 16 cm	5.9 – 6.3 in.
18 cm	Medium	16 – 17 cm	6.3 – 6.7 in.
19 cm	Large	17 – 18 cm	6.7 – 7.1 in.
20 cm	Large	18 – 19 cm	7.1 – 7.5 in.
21 cm	Extra Large	19 – 20 cm	7.5 – 7.9 in.

Still unsure?

Our Antwerp experts are happy to help — free of charge.

clientcare@zizovdiamonds.com WhatsApp