Why Coloured Gemstones Are Defining Luxury Jewellery in 2026

Sico International
Jun 5
2 min read

For decades, diamonds dominated the luxury jewellery market. However, in recent years, coloured gemstones have emerged as one of the strongest trends within fine jewellery, attracting collectors, investors and designers seeking something truly distinctive.

In 2026, this trend shows no sign of slowing down.

A close-up of a flawless diamond under professional studio lighting — For decades diamonds dominated fine jewellery — but coloured gemstones are now leading the market

A Shift Towards Individuality

Modern jewellery buyers increasingly want pieces that reflect their personal style rather than following traditional conventions. Coloured gemstones offer endless possibilities, with every stone possessing unique characteristics, colours and origins.

A bespoke coloured-gemstone ring showcasing an individual, contemporary design — Coloured gemstones allow buyers to create jewellery that reflects their individual style

Rubies, sapphires, emeralds and other rare gems provide an opportunity to create jewellery that feels truly individual.

Ruby and sapphire gemstones sourced by SICO International, London — Rubies, sapphires and emeralds offer endless possibilities for truly individual jewellery

As bespoke jewellery continues to grow in popularity, coloured gemstones are becoming the centrepiece of many custom designs.

Musgravite, one of the rarest gemstones in the world — Exceptionally rare stones are highly prized for their scarcity

The Appeal of Rarity

One of the main reasons coloured gemstones continue to attract attention is scarcity. While diamonds are available in relatively large quantities, truly exceptional coloured gemstones remain difficult to source.

Untreated rubies, vivid sapphires and high-quality emeralds are increasingly sought-after due to their limited availability and growing global demand. For collectors, rarity often adds an additional layer of desirability beyond the gemstone's visual appeal.

A rare untreated ruby supplied by SICO International from Hatton Garden, London — Untreated rubies of exceptional quality are increasingly difficult to source

Investment Interest Continues to Grow

Luxury assets have become increasingly popular among investors looking to diversify their portfolios. Alongside art, watches and rare collectibles, investment-grade coloured gemstones have attracted growing attention.

Luxury emerald jewellery representing investment-grade coloured gemstones — Investment-grade coloured gemstones combine portability, durability and rarity

Exceptional gemstones combine portability, durability and rarity, making them appealing long-term assets. Certified stones with strong colour, reputable origin and minimal treatment are particularly desirable.

Ethical Sourcing Matters More Than Ever

Consumers today are paying closer attention to where their gemstones come from. Transparency, traceability and responsible sourcing have become important considerations for both private buyers and luxury brands.

Gemstones accompanied by internationally recognised certification provide reassurance regarding quality, authenticity and origin, helping buyers make informed decisions.

The Future of Fine Jewellery

As jewellery trends continue to evolve, coloured gemstones are expected to play an even greater role in luxury collections. Their combination of rarity, individuality and investment appeal makes them an attractive choice for modern buyers seeking something beyond traditional diamonds.

A vivid Paraiba tourmaline representing the rare coloured gemstones shaping future collections — Rare coloured gemstones such as Paraíba tourmaline are set to play an even greater role in luxury collections

Whether featured in engagement rings, statement jewellery or investment collections, coloured gemstones continue to demonstrate why they remain among nature's most remarkable treasures.

Explore Exceptional Coloured Gemstones with SICO International

At SICO International, we specialise in sourcing rare rubies, sapphires, emeralds and other exceptional coloured gemstones from around the world.

With decades of expertise and an established international sourcing network, we help collectors, investors and jewellery designers discover gemstones that combine beauty, rarity and enduring value.