Launch in October • First 100 get 10% • Free U.S. $75+ • Ships from California, USA
Welcome to Bella•Fina Collective — jewelry that actually fits.

Bella•Fina Collective
Sizing & Fit
✨Bella•Fina Collective Sizing Guide
Use this guide to find your best fit for rings, bracelets, and cuffs. We recommend measuring snugly and then adding 0.5 to 1 inch for comfort, depending on style. Our pieces are chosen to be size-inclusive, offering both petite and extended fit options in select pieces.
Bracelet & Cuff Sizing
XS – 14 cm / 140 mm / 5.5 in – Very petite wrist, youth
S – 15 cm / 150 mm / 6.0 in – Slim, delicate fit
M – 16–17 cm / 160–170 mm / 6.3–6.7 in – Average women’s wrist
L – 18 cm / 180 mm / 7.1 in – Fuller fit or cuff-style
XL – 19–20 cm / 190–200 mm / 7.5–7.9 in – Plus size or relaxed fit
XXL – 21–22 cm / 210–220 mm / 8.3–8.7 in – Extended fit or oversized
Ring Sizing & Fit
XXS (US 3) – Petite fingers
XS (US 4) – Petite fingers
S (US 5) – Slim fit
M (US 6–7) – Most common range
L (US 8–9) – Fuller fit
XL (US 10–11) – Plus size
XXL (US 12) – Extended fit
International Ring Size Guide
Below is a simplified guide to help convert US ring sizes into international equivalents:
• US 3 = UK F ½ = EU 44 = Japan 4
• US 4 = UK H = EU 46.5 = Japan 7
• US 5 = UK J ½ = EU 49 = Japan 9
• US 6 = UK L ½ = EU 51.5 = Japan 12
• US 7 = UK N ½ = EU 54 = Japan 14
• US 8 = UK P ½ = EU 56.5 = Japan 16
• US 9 = UK R ½ = EU 59 = Japan 18
• US 10 = UK T ½ = EU 62 = Japan 20
• US 11 = UK V ½ = EU 64.5 = Japan 23
• US 12 = UK Y = EU 67 = Japan 25
🇩🇪 German / EU Ring Sizes (mm circumference)
-
US 3 → EU 44
-
US 4 → EU 46.5
-
US 5 → EU 49
-
US 6 → EU 51.5
-
US 7 → EU 54
-
US 8 → EU 56.5
-
US 9 → EU 59
-
US 10 → EU 62
-
US 11 → EU 64.5
-
US 12 → EU 67