The Journey of Gemstones – From Mine to Jewelry
The Journey of Gemstones – From Mine to Jewel
Behind every piece of gemstone jewelry lies an extraordinary story – one that begins deep within the earth, crosses continents and passes through the hands of exceptional artisans before reaching you. Diamonds, sapphires, rubies and emeralds are not just beautiful. They are the result of geological processes spanning millions of years and of global production chains, fascinating in their complexity.
The four queens of the gemstone world
Diamonds form at enormous depths, under extreme pressure and temperature, in a process that takes millions of years. Extracted from kimberlite mines in Africa, Russia and Canada, rough diamonds are then transformed into brilliant stones through precision cutting and polishing. They are the symbol of purity, eternity and absolute love.
Sapphires, known for their deep blue – but also available in shades of pink, yellow or white – are mined from alluvial deposits in Sri Lanka, Thailand and Myanmar. Associated with wisdom and loyalty, sapphires are among the most prized coloured gemstones in the world.
Rubies, with their intense, vibrant red, are symbols of passionate love and power. Mined in Myanmar, Thailand and Sri Lanka, top-quality rubies are extremely rare – sometimes more valuable than diamonds of the same size.
Emeralds, with their rich, deep green, come mainly from Colombia, Zambia and Brazil. Symbols of life and prosperity, emeralds have fascinated civilisations for thousands of years – from the pharaohs of ancient Egypt to the royal houses of Europe.
Extraction – where it all begins
Every gemstone begins as a raw mineral, extracted from the earth through complex mining processes. Extraction conditions vary enormously: some mines are industrial and mechanised, others are artisanal, worked by hand by local communities. After extraction, the rough stones are assessed and sorted according to quality, size and commercial potential.
Processing – the art of transformation
A rough stone looks nothing like the finished jewel you admire. Its transformation is an art in itself:
Diamonds are cut and polished in specialised centres in India, Belgium and Israel, where artisans with decades of experience give each stone its final shape
Sapphires are carefully processed in India and Thailand, to bring out their natural colour and brilliance
Rubies are cut with great precision – any error can irreparably affect the colour and clarity of the stone
Emeralds, more fragile than other gemstones, are processed with the utmost care to preserve their integrity and vibrant colour
Certification – the guarantee of quality and authenticity
Before being set in a piece of jewelry, a quality gemstone goes through a certification process carried out by independent gemological laboratories. The certificate attests to the authenticity of the stone and includes essential information:
Type of stone and geographic origin
Size, weight and colour
Clarity and cut quality (especially for diamonds)
Any treatments applied (e.g. heat treatment for sapphires)
The certificate is your guarantee that the stone is authentic and of verified quality – and a valuable document if you ever resell or insure the piece.
A global journey, a unique piece of jewelry
From the mines of Africa and Sri Lanka, to the processing centres of India, to the workshops of jewellers in Europe – every gemstone travels thousands of kilometres and passes through dozens of hands before becoming the jewel you wear. This journey adds not only material value, but also a story – one about nature, tradition and craftsmanship.
At Ava Rossa, we select every stone with care, making sure it comes from ethical sources and meets our quality standards. Because a jewel with soul begins with a stone with a story.
✨ Discover the Ava Rossa collection – gemstone jewelry, created to last a lifetime.

