Opal House

What Opal House does

Opal House, founded by Patrick Cheng in 1969 in Hong Kong, is a vertically integrated manufacturer and global supplier of natural Australian opal jewellery. The company sources rough opal directly from Australian fields including Coober Pedy, Mintabie, Andamooka, and Lambina, with buyers on-site during mining season, and manufactures finished jewellery at its facility in Shunde, Guangdong Province, China. Its product portfolio spans solid light opal, doublet opal, triplet opal, crystal opal, boulder opal, black opal, semi-black opal, cameo, carving, opal beads, boulder matrix opal, and rough/semi-cut opal, set in 9K, 14K, 18K gold and sterling silver, supported by a catalogue of more than 6,000 designs accumulated over 25 years.

The business operates a multi-channel go-to-market targeting jewellery retailers, boutiques, and chain stores globally. Wholesale distribution is conducted through direct office sales at the Hong Kong headquarters and through regular attendance at major international jewellery trade fairs in Hong Kong, Basel, Tucson, Las Vegas (JCK), and New York (JA). The company also runs OEM/ODM manufacturing partnerships with retail and wholesale operators for custom branded opal jewellery, and operates a direct-to-consumer e-commerce storefront at opalhouse.com.hk with worldwide shipping. Manufacturing techniques include doublet and triplet bonding, calibrated cutting, and solid inlay methods developed over more than 40 years by a team with over 120 years of combined opal experience.

Major markets include the USA, UK, Australia, Europe, and China, with growing presence in Eastern Europe, Russia, the Middle East, and broader Asia. Opal House Limited is a privately held, founder-owned entity under the Opal House Group, with no external institutional funding or public listing referenced in the source material.

Name

Opal House

Legal name

Opal House Limited

Website

https://opalhouse.com.hk

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

11–50 employees

Short description

Opal House is a Hong Kong-headquartered, vertically integrated manufacturer and global wholesale supplier of natural Australian opal jewellery, serving jewellery retailers, chain stores, and OEM/ODM partners across the USA, UK, Europe, Australia, China, and emerging markets.

Ownership category

akta.pro rank

Product category

Wholesale Opal Jewellery Manufacturing

SIC

Jewelry, Silverware & Plated Ware (3910)

akta.pro primary industry

Colored Gemstone Cutting & Polishing (Lapidary) (CRAKAJAB)

Keywords

• Wholesale opal jewellery
• Australian opal manufacturing
• OEM jewellery production
• Natural gemstone jewellery
• Opal jewellery supplier

Headquarters

HQ city

Kowloon City

HQ country

Hong Kong SAR China

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. B2B Wholesale Sales: Wholesale sales of opal jewellery to jewellery stores, boutiques, and retail chains globally. Clients select from large inventory or place custom orders.
2. OEM/ODM Manufacturing: Original Design Manufacturing and Original Device Manufacturing partnerships with retail and wholesale operators and chain stores for custom opal jewellery production.
3. Direct E-commerce Retail: Direct consumer sales through opalhouse.com.hk website accepting USD payments via Stripe and bank transfer.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Opal House sources rough Australian opal directly from mines and manufactures finished opal jewellery, supplying wholesale to global jewellery retailers and chain stores while serving direct consumers via e-commerce. The company specializes in multiple opal types including Doublet, Solid Light, Crystal, Boulder, Black, Semi-Black, Cameo, Carving, Opal Beads, Rough/Semi-Cut, and Boulder Matrix, set in 9K, 14K, 18K gold and sterling silver, backed by a 6,000+ design catalogue.

Product overview

Opal House is a manufacturer and supplier of natural Australian opal jewellery, operating as a single unified product portfolio. The company sources rough opal directly from Australian mines (primarily Coober Pedy in South Australia) and manufactures finished jewellery in their Shunde, China facility. Their core product line consists of various opal types including Doublet Opal, Solid Light Opal, Crystal Opal, Boulder Opal, Black Opal, Semi-Black Opal, Cameo, Carving, Opal Beads, and Rough/Semi-Cut Opal. They also offer Boulder Matrix Opal. All products are available in 9K, 14K, 18K gold and sterling silver settings. The company maintains over 6,000 jewellery designs accumulated over 25 years and operates both OEM/ODM partnership services and stock inventory for direct purchasing.

Differentiator

Problem solved

Functional benefit

Products and services

• Doublet Opal Jewellery A slice of precious light crystal opal bonded with ironstone to the back, creating a black or boulder opal appearance at a more affordable price point; sold as finished jewellery set in 9K, 14K, 18K gold or sterling silver.
• Solid Light Opal Jewellery Solid natural light opal from South Australian fields (Mintabie, Coober Pedy, Andamooka) cut into standard sizes for commercial jewellery production and set into gold or sterling silver pieces.
• Crystal Opal Jewellery Transparent or translucent opal that displays bright play of colours; light crystal opal from South Australian fields and black crystal opal from Lightning Ridge, incorporated into finished jewellery designs.
• Triplet Opal Jewellery A thin slice of opal with a clear quartz crystal dome superimposed for protection and magnification of colours; Opal House notes they do not use triplets in their own jewellery production but they appear in the catalogue.
• Boulder Opal Jewellery Precious opal from inland Queensland formed on ironstone which gives an uneven surface enhancing colour arrays, including boulder pairs formed when split; crafted into finished jewellery pieces.
• Black Opal Jewellery Opal with dark or black background colour that radiates hues of red, blue, green, and orange, commercially mined exclusively in Lightning Ridge, New South Wales; set into gold and sterling silver jewellery.
• Semi-Black Opal Jewellery Opal with intermediate dark body tone between light opal and black opal, offering visual appeal at moderate pricing across finished jewellery items.
• Cameo Opal Carved Pieces Carved opal pieces featuring raised designs or portraits, crafted using traditional cameo carving techniques in natural Australian opal.
• Hand-Carved Opal Pieces Hand-carved opal jewellery items showcasing intricate designs and artistic craftsmanship in natural Australian opal.
• Opal Beads Natural Australian opal shaped and polished into bead form for use in necklace and bracelet manufacturing.
• Rough/Semi-Cut Opal Parcels Unprocessed and partially processed opal purchased as parcels containing various grades for selection by buyers in the trade.
• Boulder Matrix Opal Opal that has filled minute cavities within host rock (ironstone), where the host rock is part of the visual attraction creating unique patterning and texture.
• OEM/ODM Custom Manufacturing Service Original Design Manufacturing and Original Device Manufacturing partnerships with renowned retail and wholesale operators and chain stores for custom opal jewellery production under their own brands, fulfilled through the Shunde, China production line for substantial orders.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature3 records

Partnerships

Three partnerships are on record, tiered core and supporting.

• OEM and ODM PartnerscoreOEM/ Whitelabel/ Licensing PartnerEstablished ODM and OEM partnerships with a list of renowned retail and wholesale operators and chain stores for custom opal jewellery manufacturing. The production line focuses on fulfilment of substantial orders from these global clients.
• StripesupportingTechnology or IntegrationPayment service provider for credit card transactions on opalhouse.com.hk. Stripe is responsible for the integrity of the transaction.
• Australian Opal MinerscoreStrategic or Co-development PartnerStrong ties with individual, family and partnership opal miners in Australian opal fields (Coober Pedy, Mintabie, Andamooka, Lambina). Buyers on-site during mining season and regular visits by representatives. Fostering 'win win' relationships for reliable rough opal sourcing.

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Rio Grande: US-based wholesale supplier of jewellery-making supplies, findings, and finished pieces to jewellery retailers and designers. Comparable to Opal House as a B2B jewellery supply channel serving retail jewellers, though focused on supplies rather than a single gemstone category.
• JTV (Jewelry Television): Large US-based jewellery retailer and broadcaster selling a wide range of gemstone jewellery including opal and other coloured stones. Comparable to Opal House as a buyer and competitor in opal jewellery distribution, but with a much broader multi-gemstone portfolio.
• Stuller, Inc. Major US-based jewellery manufacturer and wholesale supplier offering findings, mountings, and finished jewellery across gemstones. Comparable to Opal House as a B2B jewellery supplier, though Stuller operates at much larger scale and broader product breadth.

Direct peers

• Anderson Opal (Anderson & Co Opals): Australian opal specialist producing and selling a wide range of opal jewellery including black, boulder, and light opals. Comparable to Opal House in product mix, gemstone sourcing strategy, and global wholesale presence.
• Opal Minded: Australian opal jewellery brand designing and producing opal pieces from Australian rough, with global retail and wholesale distribution. Comparable to Opal House in opal specialisation and vertical integration from mine to finished jewellery.
• Australian Opal Cutters: Lightning Ridge-based opal cutter and jewellery manufacturer producing opal doublets, triplets, and solid opal pieces. Comparable to Opal House in cutting and lapidary expertise combined with finished jewellery production.
• Black Star Opal: Australian opal wholesaler and retailer offering black opal, boulder opal, and opal jewellery from Lightning Ridge and other Australian fields. Comparable to Opal House as a vertically integrated opal jewellery supplier serving global B2B and consumer markets.
• Coober Pedy Opal & Gem Supplies: An Australian opal specialist operating in Coober Pedy offering rough, cut, and polished opals plus opal jewellery. Directly comparable to Opal House as an opal-focused supplier with integrated sourcing-to-jewellery operations.

Emerging players

• Opal Auctions: Online marketplace connecting opal miners, cutters, and wholesalers with global buyers. Comparable to Opal House as a platform for trading opals and opal jewellery, though primarily an online aggregator rather than a vertically integrated manufacturer.

Regional players

• Koroit Opal: Australian opal miner and jewellery producer specialising in Koroit boulder opal from Queensland. Comparable to Opal House in opal sourcing and jewellery production, but primarily serves domestic Australian and niche markets rather than Hong Kong-based global distribution.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/opalhouse1969
• LinkedInlinkedin.com/company/opal-house-inc

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 Opal House