Allumer

What Allumer does

Allumer is a London-based British bespoke fine jewellery brand founded in 2008 by Natasha Leith-Smith, operating as a privately held, founder-owned company. It designs, hand-makes, and sells ethically sourced necklaces, bracelets, and earrings through a single direct-to-consumer e-commerce storefront at allumer.co.uk, with no disclosed retail, wholesale, or marketplace distribution. Its product portfolio is anchored by a signature colourful brass ball chain system available in 20+ colours and a set of themed collections — Allumer Match, Allumersutra, Allumette, Alphallumer, Birthstones, Flicker of Light, Classic, Made In Britain, and I Swear It's Allumer — supplemented by bespoke commissions, engraving services, and gift cards.

The brand's technical differentiators are physical rather than digital: proprietary spinner pendant mechanisms (Allumersutra, Flicker of Light) that reveal hidden engravings when rotated, customisable metal options (silver, black rhodium, 9ct gold in yellow, rose, and white), and interchangeable chain colour/pendant combinations that allow customers to spell words or compose personalised pieces. Materials are recycled precious metals and ethically sourced gemstones, supporting a 'handmade in Britain' positioning that has earned industry recognition including Professional Jeweller Hot 100, UK Jewellery Awards, and Drapers Finalist, alongside celebrity visibility from Princess Beatrice, Kate Moss, Daisy Lowe, and Fearne Cotton.

Allumer generates revenue entirely from unit-priced product sales (£35–£390 per piece) and bespoke commissions, with charity collaborations (Style For Stroke, Great Ormond Street Hospital, Royal Free, Maggie's, Blue Marine Foundation) functioning as both marketing channels and limited-edition SKUs. Customer segments comprise fashion-conscious individual buyers seeking personalisable British jewellery, gift purchasers for occasions and couples, and cause-driven consumers. The company operates with 1–10 employees, has raised no external capital, and shows no disclosed revenue, ARR, or growth metrics.

Name

Allumer

Legal name

Allumer

Website

https://allumer.co.uk

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

1–10 employees

Short description

Allumer is a London-based British fine jewellery brand founded in 2008 by Natasha Leith-Smith, selling handcrafted, ethically sourced necklaces, bracelets, and earrings direct-to-consumer via its online storefront, with customisable ball chains and spinner pendant mechanisms across themed collections.

Ownership category

akta.pro rank

Product category

Fine Jewellery

NAICS

Jewelry and Silverware Manufacturing (33991), Jewelry Retailers (458310)

SIC

Jewelry, Precious Metal (3911), Retail-Jewelry Stores (5944)

akta.pro primary industry

Bespoke Fine Jewelry (Precious Metals & Gemstones) (CRAKAHAA)

akta.pro secondary industries

Personalized Jewelry (Engraving, Initials, Nameplates, Birthstones) (CRAKAHAG), Artisan/Hand-Fabricated One-of-a-Kind Jewelry (CRAKAHAI)

Keywords

• Handcrafted jewellery
• Fine jewellery
• Bespoke necklaces
• Ethically sourced jewellery
• Designer bracelets

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Marketing or Sales, Operations, Others

Revenue model

1. Fine Jewellery Sales: One-time purchase of handcrafted jewellery pieces. Products include necklaces, bracelets, and earrings across multiple collections (Allumette, Allumersutra, Alphallumer, Birthstones, Classic, Flicker of Light, Made In Britain, etc.). Priced from £35 to £390 depending on materials (silver, gold vermeil, solid gold) and gemstone inclusions.
2. Bespoke/Custom Orders: Custom jewellery creation service allowing customers to personalise pendants with custom engravings. Special occasion and bespoke commissions.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Allumer is a British jewellery brand that designs, makes and sells handcrafted fine jewellery — necklaces, bracelets, and earrings — using ethically sourced materials including recycled gold and silver. The product range centres on a signature colourful ball-chain system (20+ colours) carrying themed pendants across collections such as Allumer Match, Allumersutra, Allumette (bells), Alphallumer (letters), Birthstones, Flicker of Light spinners, Classic shapes, Made In Britain, and I Swear It's Allumer. Bespoke custom-engraving commissions and charity-collaboration lines (e.g., Style For Stroke, hospital charity bell necklaces) are also offered.

Product overview

Allumer is a British bespoke fine jewellery brand specializing in ethically sourced, handcrafted necklaces, bracelets, and earrings made in Britain. The product portfolio centres on the signature Allumer coloured ball chain system, with core collections including Allumer Match (matchstick briolette necklaces), Allumersutra (Kama Sutra spinner pendants), Allumette (bell jewellery), Alphallumer (alphabet letters), Birthstones (monthly gemstones), Flicker of Light (message spinners), Classic Collection (shaped pendants), and I Swear It's Allumer (cheeky engraved pieces). The brand also offers charity collaborations including Style For Stroke and various hospital charity partnerships. Key differentiators include extensive customisation options across metals (9ct Gold, Silver, Black Rhodium), ballchain colours (25+ options), and the ability to combine pieces into words or personal messages. Bespoke and engraving services enable further personalisation.

Differentiator

Problem solved

Functional benefit

Brands

• Allumersutra: Kama Sutra-inspired spinner pendant collection featuring engraved illustrations with erotic positions, available in various configurations for different pairings.
• Allumette
• Allumer Match
• Alphallumer
• Birthstones
• Classic
• Flicker of Light
• I Swear It's Allumer
• Made In Britain
• Style For Stroke

Products and services

• Allumer Match Matchstick-themed necklaces featuring a precious faceted briolette on coloured ball chains. Available with various precious stones including Garnet, Topaz, Iolite, Green Tourmaline, Pink Tourmaline, Moonstone, Amethyst, Smokey Quartz, and Citrine. Includes Match Royale (with diamond), Match Crown, Match Flash, and Match Firework design variants.
• Allumersutra Kama Sutra-inspired spinner pendants featuring erotic illustrations that reveal different positions when spun. Available in 13mm and 30mm sizes, with options for Girl+Girl, Boy+Boy, and Girl+Boy pairings. Made in 9kt Yellow Gold or Silver on coloured ball chains.
• Allumette Bell Necklace Bell-shaped necklaces, bracelets, and earrings with colourful ball-chain options. Features clashing colours with tiny bells that can be heard as well as seen. Stackable designs aimed at special occasions and everyday styling.
• Alphallumer Alphabet letter pendants available in 9ct Yellow Gold, Rose Gold, White Gold, Black Rhodium, and Silver. Includes letter, dollar, pound, heart, and diamond heart pendants on coloured ball chains. Pendants can be combined to spell words or initials.
• Birthstones Birthstone necklaces for each month of the year featuring relevant precious and semi-precious stones (Garnet, Amethyst, Aquamarine, Diamond, Emerald, Pearl, Ruby, Peridot, Sapphire, Tourmaline, Citrine, Turquoise). Made in 9ct Gold, Black Rhodium, and Silver.
• Flicker of Light Spinner pendants with ambiguous messages that reveal when flipped. Available in 10mm and 13mm sizes with messages including XXX, WINK, HOT, LIGHT, LOL, ROCK, and BLANK. Made in 9ct Rose Gold, White Gold, Yellow Gold, Black Rhodium, and Silver.
• Classic Collection Classic shaped pendants available in Rectangle, Pill, Oval, Flame, and Torch designs with cut-out options including Heart, Diamond, and Flame. Made in 9ct White Gold, Yellow Gold, Rose Gold, Black Rhodium, or Silver on coloured ball chains or cord.
• Made In Britain British-themed pendants celebrating British heritage. Features shield shapes (Classic, Elegant, Bowed, Edged, Spiked) and bunting designs. Available in Silver, 9kt Gold Plated, Rhodium Plated, and 9kt Rose Gold options.
• I Swear It's Allumer Cheeky engraved pendants in Pill, Rectangle, Flame, and Oval shapes with censored profanity messages. Available in Silver, Black Rhodium, 9ct Yellow Gold, Rose Gold, or White Gold on coloured ballchains. Personal engravings available.
• Style For Stroke Collaboration with Style For Stroke founder Nick Ede. Features gold leaf purple tag bracelets and necklaces with all profits donated to the Stroke Association.
• Charity Bell Necklaces Bell necklaces created in partnership with charities including Great Ormond Street Hospital Children's Charity, Royal Free Charity, Maggie's, and Radical Recruit Charity. £5 from each Radical bell necklace supports Radical Recruit Charity.
• Bespoke Jewellery Custom-made fine jewellery service allowing customers to create personalised pieces. Includes engraving services and custom ballchain colour combinations.
• Gift Cards Gift cards available for purchase, allowing recipients to choose their own Allumer jewellery pieces.

Quantifiable outcome

• Multiple industry awards including Professional Jeweller Hot 100, UK Jewellery Awards

Named customers5 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Great Ormond Street Hospital Children's CharitycoreStrategic or Co-development PartnerSpecial edition Allumette Bell Necklace created in collaboration with Great Ormond Street Hospital Children's Charity. Proceeds from sales support the charity's work with children's healthcare.
• Royal Free CharitycoreStrategic or Co-development PartnerSpecial edition Allumette Bell Necklace created with Royal Free Charity supporting hospital work.
• Maggie'scoreStrategic or Co-development PartnerCharity partnership creating special edition jewellery supporting Maggie's cancer care centres.
• Radical Recruit CharityminorStrategic or Co-development Partner£5 from each Radical X Allumer Bell Necklace sale is donated to Radical Recruit Charity.
• Style For StrokecoreStrategic or Co-development PartnerCollaboration with Style For Stroke founder Nick Ede to create fundraising jewellery collection. All profits donated to the Stroke Association. Includes bracelets and necklaces with 18kt gold leaf designs.
• Blue Marine FoundationminorStrategic or Co-development PartnerMarine conservation charity partnership. Special collection supporting ocean protection efforts.

Scale indicators3 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Astley Clarke: London-based fine and demi-fine jewellery brand offering personalisable, gemstone-led pieces via DTC. Comparable in precious-metal product mix, initial-letter and birthstone personalisation, and London/UK design heritage.
• Alex Monroe: UK-based, award-winning bespoke fine jewellery brand with a distinctive design language and DTC-led model. Comparable to Allumer in handmade British production, ethical positioning, and personalisable collections.
• Estella Bartlett: London-based accessible jewellery and accessories brand with charm-based collections sold DTC and through department stores. Comparable to Allumer in personalisation, charm-pendant product format, and gifting positioning.
• Tatty Devine: London-based designer jewellery brand known for bold, colourful, statement pieces sold DTC and through select stockists. Closely comparable in playful British design DNA, UK DTC focus, and giftable price architecture.
• Lisa Angel: UK-based personalised jewellery and gifts retailer with strong e-commerce presence. Comparable to Allumer in personalisation-led product, gift-card offering, and DTC-first UK distribution.
• Daisy London: UK DTC semi-precious jewellery brand with celebrity following and personalisation-led collections. Comparable to Allumer in DTC model, semi-precious stone storytelling (birthstones, gemstones), and influencer-driven marketing.

Emerging players

• Edge of Ember: Sustainable fine jewellery brand with recycled gold/silver and ethically sourced stones, sold DTC. Comparable to Allumer in ethical sourcing messaging, personalisation, and fine-jewellery price architecture.
• Dannijo: Designer jewellery brand with DTC distribution, statement pieces, and influencer-led marketing. Comparable in DTC-led sales model, celebrity-driven brand visibility, and small-team operating structure.

Broad incumbents

• Monica Vinader: Established UK accessible-luxury jewellery brand with gold vermeil, gemstone, and personalisation ranges, sold DTC and through wholesale. Comparable in product tiers, personalisation engine, and ethical-sourcing narrative, but at materially larger scale.
• Mejuri: Global DTC fine jewellery brand with gold, gemstone, and personalisation ranges targeting everyday luxury. Comparable in DTC fine-jewellery category, ethical-sourcing positioning, and direct-to-consumer pricing strategy, though at substantially larger scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/allumer
• Instagraminstagram.com/allumerjewellery
• Pinterestpinterest.co.uk/allumerjewelry
• Xx.com/allumerjewelry

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Allumer