size US Size | UK Size | Diameter | Inner Circumference | Recommended For
5 | J 1/2 – K | 15 mm | 49 – 50 mm | Little finger, women’s small size
6 | L 1/2 – M | 16 mm | 51 – 53 mm | Women’s standard size, small finger
7 | N 1/2 – O | 17 mm | 54 – 56 mm | Women’s medium size, ring finger
8 | P 1/2 – Q | 18 mm | 57 – 59 mm | Women’s large size, middle finger
9 | R 1/2 – S | 19 mm | 60 – 61 mm | Men’s standard size, ring finger
10 | T 1/2 – U | 20 mm | 62 – 64 mm | Men’s large size
11 | V 1/2 – W | 21 mm | 64 – 66 mm | Men’s extra large size
The B.Zero1 ring is a tribute to Rome’s most iconic monument and stands as one of the most recognizable and revolutionary designs in contemporary high jewelry. Launched in 1999 to welcome the new millennium, the B.Zero1 collection draws inspiration from the majestic elliptical silhouette of the Colosseum; by reinterpreting the ancient amphitheater's timeless architectural aesthetics into a unique, sculptural form, the collection established a distinctive style for Bulgari’s modern jewelry.
Crafted from warm, radiant rose gold, this single-band ring features Bulgari’s signature spiral motif, inspired by the *Tubogas* technique—a method pioneered by the brand in the 1920s that involves coiling long metal strips to create a flexible, seamless structure without the need for soldering. The resulting ring boasts fluid lines and a refined tactile quality that captivates the senses.
This particular version distinguishes itself with a unique reversible design:
One side features the iconic "BVLGARI" engraving on the exterior, highlighting the brand's heritage and Roman DNA;
The other side is fully pavé-set with brilliant-cut round diamonds, creating a dazzling radiance that flows along the ring's elegant curves.
This ingenious "two-in-one" structure offers the wearer the freedom to choose their style: showcasing the geometric beauty of the brand's logo, displaying the glamorous sparkle of diamonds, or even rotating the ring to reveal the allure of both styles simultaneously. It is not merely a piece of jewelry that dazzles the beholder, but a source of pure delight for the wearer.
