G Mantella Jewellers

08/07/2026

08/07/2026

Bespoke 18ct rose gold, natural blue zircon, black diamond and white diamond unisex ring.

Can be made in a variety of precious metals and natural gem stones in different colour ways.

Can also be made using laboratory grown gem stones.

01/07/2026

We stock a natural diamond wishbone collection of rings in a variety of designs and precious metals.

Also available in laboratory grown diamonds and other gem stones.

Visit us in store or look up Brown & Newirth to see our collection.

25/06/2026

Bespoke 18 carat yellow gold pendant set with an exclusive blue zircon gem stone, with a black rhodium edge. Worn with an 18 carat yellow gold necklace.

15/06/2026

Bring your cutest, happiest smile along with you when visiting us 💫

28/05/2026

Bespoke 18 carat, natural peridot shaped eternity ring.
We design and custom make shaped rings to fit snug next to another existing ring. Particularly those with large stones or unique settings, preventing gaps and reducing friction.

28/05/2026

9ct deep seal signet ring of family crest with wax impression.

Can be made in a variety of fine metals, carats and colour ways.

14/05/2026

Professional fine jewellery restoration.

We have an onsite workshop. Personal, quick and reliable repairs service. Fully insured and secure.

~ Soldering.
~ Retipping claws.
~ Ring sizing.
~ Resetting .
~ Diamond / semi precious stone replacement.
~ Professional polishing of fine jewellery & plating.
~ Mounting.
~ Engraving on most materials in any language and design.
~ Remodelling.
~ Restringing.

Over 40 years of experience.
Committed to providing expert care for your precious pieces.

020 8882 5050.