B.Zero1 5 Band Ring In 18K White Gold
$1,379.00Est. retail $4,900.00·72% below retail
Authenticated in hand by our specialists on Aug 21, 2026. Every piece at Hyde is authenticated twice — AI analysis confirmed by expert eyes — before it is listed.
The Bulgari B.Zero1 five-band ring in 18K white gold makes its presence felt — 12.3 grams and 12mm wide, it sits with real substance on the hand. The interior is stamped BVLGARI, Made In Italy, 750, and 50, quietly confirming everything you’d want to know about the metal and the fit. It sizes as an Italian 50, or US 5.5.
The supplier notes this is an older model, without a serial number, and offers it in new condition. It comes with a jewelry box and a certificate of authenticity as provided by the supplier.
Bulgari is a trademark of Bulgari S.p.A. Hyde Trading Co. is not affiliated with, sponsored by, or endorsed by Bulgari S.p.A.
| Brand | Bulgari |
|---|---|
| Model / Collection | B.Zero1 5 Band Ring |
| Material | 18K Gold |
| Color | White Gold |
| Size | 50 (Italian) / 5.5 (US) |
| Dimensions | 12mm wide |
| Weight | 12.3 grams |
Every piece at Hyde is authenticated in hand by our specialists before it is listed. AI analysis, confirmed by expert eyes.
This ring is an Italian 50. Highlighted below with its international equivalents.
| US | UK | IT / FR / EU | Japan | Diameter |
|---|---|---|---|---|
| 5 | J½ | 49 | 9 | 15.7 mm |
| 5.5 | K½–L | 50 | 10 | 16.0 mm |
| 6 | L½ | 52 | 11 | 16.5 mm |
Conversions follow the ISO standard chart. If you are between sizes, a jeweler can confirm fit from the 16.0 mm inner diameter.

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