Advisory.
Tailored
Programs.
Programs.
Brokerage.
Coloured Gemstone Services: Brokerage, Advisory & Tailored Programs
Advisory.
Advisory for your coloured gemstone business
From strategy and sourcing
to sales and marketing –
we support you at every step.
Together we assess where your business stands, define your coloured gemstone strategy and draw up a roadmap that fits your goals – whether you are diversifying from diamonds or expanding an existing range.
Draw on a network built over more than 20 years in Asia and Europe. We identify the right suppliers, assess quality, negotiate terms and secure stones that meet your specifications and margins.
We help you present coloured gemstones to your existing clients and reach new buyer groups. From pricing strategy to explaining coloured stones to your customers, we lay the groundwork for lasting sales growth.
Tell the story of your gemstones convincingly. We provide content frameworks, guidance on product photography and positioning strategies that speak to discerning buyers.
Book a free initial consultation to discuss your specific requirements – or describe the stone you are looking for and we source vetted options.
Brokerage.
Brokerage Agency
Transparent transactions. Global reach. Complete discretion.
We connect buyers and sellers of exceptional stones – from rough material to finished jewellery, from accessible gems to museum-quality rarities.
Transparency comes first: a written mandate for the buying or the selling side, fees agreed in advance, an independent laboratory check before payment, insured transport and complete documentation.
For private investors and collectors, every mandate starts with a paid initial consultation that is credited against the mandate. We do not give investment advice or promise returns.
Our own collections – Aquaprase®, Aquadité® and the Triple L Collection – are a separate business line, and we say so openly whenever it matters.
From Idar-Oberstein to the world.
We connect buyers and sellers of exceptional stones – from rough material to finished jewellery, from accessible gems to museum-quality rarities.
Transparency comes first: a written mandate for the buying or the selling side, fees agreed in advance, an independent laboratory check before payment, insured transport and complete documentation.
For private investors and collectors, every mandate starts with a paid initial consultation that is credited against the mandate. We do not give investment advice or promise returns.
Our own collections – Aquaprase®, Aquadité® and the Triple L Collection – are a separate business line, and we say so openly whenever it matters.
From Idar-Oberstein to the world.
How It Works
Every mandate follows the same transparent steps.
Mandate
Written mandate, fees agreed in advance, NDA on request
Selection
2–5 vetted options from our global network
Verification
Independent laboratory report before payment
Delivery
Insured transport and complete documentation
Schedule a call to discuss your sourcing requirements or let us know what you can offer for our clients – buyers can send a structured brief directly.
Diamond Dealer Program.
For Diamond Dealers Expanding into Coloured Gemstones
You know stones, clients and the trade.
Coloured gemstones follow different rules: there is no universal grading system, value depends on origin and treatment, and the finest material rarely reaches the open market.
Our Diamond Dealer Program gives you a partner who knows this terrain, so you can add coloured stones to your business with the same confidence you bring to diamonds.
What the program offers:
Coloured gemstones follow different rules: there is no universal grading system, value depends on origin and treatment, and the finest material rarely reaches the open market.
Our Diamond Dealer Program gives you a partner who knows this terrain, so you can add coloured stones to your business with the same confidence you bring to diamonds.
What the program offers:
Buy with certainty
We review every potential purchase with you before you commit: quality, origin, treatment and price.
Direct access
Our network of cutters, dealers and labs, built over 20 years in Asia and Europe, is at your disposal.
Know-how for your team
We train your staff to assess coloured gemstones themselves.
Experience on your side
We know where the risks lie in the coloured stone market and how to manage them.
Learn more about how the program works, what changes compared with diamonds and how we work together.
New: Jewellery Brand Program – from the feasibility of your design ideas to custom cuts, engravings and responsible sourcing of coloured gemstones.
Exclusive European distributor of Aquaprase® and Aquadité® – new gemstones for the European trade, from stock in Idar-Oberstein.
Why work with Noble Facets
We measure our work by the value it creates for your business.
- IndependentNot tied to any mine, supplier or lab – our advice serves only you.
- ExperienceMore than 20 years in the coloured gemstone and jewellery trade.
- Personal SupportQuick, direct answers from the founder herself.
- Expert NetworkCutters, labs and suppliers across four continents.
- No Inventory ConflictWe advise you without any pressure to move our own inventory.
- International Market ConnectionsRooted in Idar-Oberstein, connected through two decades in Greater China – with contacts across China and all of Asia.
Connect with our experts
Please feel free to reach out and contact us for any inquiries or assistance you may need
Contact
+49 151 54926966 tatjana.li@noblefacets.com
Address
Noble Facets Platform GmbH
Tiefensteiner Str. 407
55743 Idar-Oberstein
Germany
Tiefensteiner Str. 407
55743 Idar-Oberstein
Germany
Directions
We are located directly on the German Gemstone Route
© 2026 Noble Facets Platform GmbH