How to recognise genuine Murano glass

Murano glass is renowned worldwide for its beauty and the centuries-old tradition that makes it unique. For this same reason, however, it is also one of the most counterfeited artisanal products: cheap, mass-produced glassware is often sold as if it were authentic Murano art. The result? Buyers may end up with a simple decorative glass object devoid of artistic or cultural value.

If you are wondering how to distinguish a genuine masterpiece from an imitation, we at Original Murano Glass OMG® have prepared this complete guide for you. You will learn what details to look for — from proofs of authenticity to traditional glassworking techniques — and which visual or material clues help ensure an informed purchase.

Our goal is to equip you with the tools and knowledge to buy confidently and bring home a creation that truly embodies the value and magic of Murano.

Key elements to identify authentic Murano glass

At Original Murano Glass OMG® we have gathered the most important criteria to help you distinguish genuine Murano glass from industrial reproductions. Here are the main aspects to examine carefully:

1. Concrete evidence of authenticity

When purchasing Murano glass, tangible and verifiable proof is essential to confirm origin and guarantee quality. A genuine work should always be accompanied by a recognised certification system that protects the buyer from counterfeits and ensures the long-term value of the piece.

Our Original Murano Glass OMG® authentication system includes:

• Certificate of authenticity (paper document)
• Anti-counterfeiting hologram sticker
• Digital registration to obtain a long-term electronic certificate, archived and verifiable over time

These are not mere extras — they are fundamental safeguards that prove your piece comes directly from Murano and guarantee that its artistic and material value is preserved.

2. Realistic and transparent pricing

Murano glass is the result of complex techniques, precious materials and hours of craftsmanship. All these elements have a cost, which is why an authentic piece can never be sold at bargain prices.

If you come across “Murano glass jewelry” sold for a few dozen euros or sculptures offered at suspiciously low prices, stop and think: they are almost certainly industrial replicas.

We believe in pricing transparency. Every figure reflects the time, expertise, materials, and individuality that go into each authentic creation.

3. Artist’s or furnace signature

Many authentic Murano glass pieces bear the signature of the master who created them, cold-engraved on the bottom. It is not mandatory, glasses, chandeliers and other types of pieces rarely feature it, but when present, it is a valuable detail: it confirms authenticity and increases the value of the piece over time.

All of our creations are produced within our Murano furnace and are fully traceable. This allows us to tell you with certainty who worked on the piece and what techniques were used, because behind every object is our daily experience and the Murano tradition that we carry on.

4. Typical Murano glassmaking techniques

Another key factor in recognising genuine Murano glass is examining the techniques used. Each process demands years of experience and masterful heat control, skills passed down only within Murano’s furnaces for generations.

Ask the seller which technique was used: vendors of authentic glass will answer with confidence, while sellers of imitations often cannot.

Among the most iconic and recognisable are:

• Aventurine – metallic, sparkling reflections created with copper granules
• Balotton and Rigadin – diamond or ribbed textures
• Bullicante – symmetrical, honeycomb-like bubbles
• Filigrana, Zanfirico, Reticello – intricate patterns of glass threads
• Millefiori and Murrine – colorful mosaic patterns made from fused glass canes
• Sommerso – layers of transparent and colored glass creating depth and luminosity
• Pulegoso – micro-bubbles dispersed through the glass for an airy, delicate effect
• Incalmo and Fenicio – refined joining and feathering techniques requiring high precision

We produce artworks that embody these ancient methods every day, tangible expressions of knowledge and artistry that make every piece one of a kind.

5. The uniqueness of handcrafted masterpieces

No two pieces of true Murano glass are ever identical. Even works made by the same master using the same technique will display small variations — subtle changes in hue, tiny bubbles, or slight asymmetries.

These are not flaws but the visible marks of handcraftsmanship. In contrast, factory-made items appear identical, lacking both uniqueness and soul.

We celebrate these nuances, as they are the unmistakable signature of genuine artistry, proof that you hold a living, original work from Murano, each with its own story to tell.