Bvlgari Tubogas Tourmaline and Diamond Ring, Yellow Gold, JP 10

$23,475.00 USD

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Dispatch: Prepared and sent from Tokyo within 7–14 days, often sooner, or as arranged
Arrival: United States · usually 4–7 days after dispatch, insured and tracked
Import: Duties and customs · View the estimate

A guide for this piece: about $2,347, based on the 10% US charge on the declared value of goods made in Japan.

The final figure is set by US Customs and depends on where the piece was made and the kind of object it is. Many antiques over a century old carry no ordinary duty; most jewellery and leather goods add a single-digit rate.

With EMS, any charge is collected by your postal service on delivery. For pieces of significant value we can often arrange duties prepaid before dispatch.
How the estimate is reached · Ask for a figure on this piece
Sizing: Japanese ring numbers, with US, UK and EU equivalents · Find your ring size · Ask before you buy
Replies: Within one Tokyo business day · Ask the curator team
Guarantee: Authenticity guaranteed · How we grade

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A pink-purple, shield-like stone terminates the coiled gold form of this Bvlgari Tubogas ring.

The Piece

Bvlgari explains Tubogas as gold strips wrapped around a core to form flexible rounded bands without soldering. That broader design history is not a date, production-method inspection or authentication for this particular piece. Its size is Japanese gauge 10, and the flexible appearance is not permission to stretch the ring or assume a universal fit. Tourmaline and diamond identities follow the historical, not fresh gem testing.

Details

Maker/design: Bvlgari Tubogas
Metal: K18 yellow gold
Stones: Tourmaline and diamonds.6 mm inner diameter
Design width: About 21 mm (0.83 in) maximum
Mass: 22.2 g
Construction: Flexible coiled appearance, not a guaranteed adjustable size
Condition: AB; slight stone chips, dullness, scratches and dents
Included: No accessories recorded

Condition

AB includes slight chips to the stone, as well as dents, dullness, scratches and scuffs. No accessories. See Japanese condition ranks.

Authenticity & Care

Have a qualified jeweller inspect the setting, shank and any fastening before regular wear or alterations. Avoid impacts, household chemicals and abrasive polishing; do not attempt to straighten or resize the piece at home. Keep separately in a soft-lined compartment, remove before bathing or strenuous activity, and ask a specialist for a cleaning method suited to the actual stones and their condition. Papers require matching to the actual piece.