July belongs to the ruby, a gemstone admired for its vibrant colour, rarity, and symbolism. In this feature, Gemfields explores the remarkable beauty of Mozambican rubies, explaining the science behind their colour, the artistry involved in revealing their brilliance, and showcasing exceptional jewellery collaborations featuring these extraordinary gemstones.
Quick Summary
- Ruby is the birthstone of July and symbolizes passion and vitality.
- Gemfields highlights the unique colour characteristics of Mozambican rubies.
- Gemmology defines gemstone colour through hue, tone, and saturation.
- Mozambican rubies owe their vivid red colour to chromium and natural fluorescence.
- Pleochroism gives rubies their captivating “fire within.”
- Gemfields collaborates with renowned jewellery brands to create exceptional ruby jewellery.

July’s Birthstone Takes Centre Stage
This July, for which ruby is the birthstone, Gemfields is seeing red. Rubies are often regarded as powerful symbols of passion and vitality, with their blazing scarlet hue evoking feelings of hot-headed love and burning desire. Describing colour in gemstones is a little like describing the ephemeral. We can feel it, see its effects, and experience its intensity, yet the moment we try to define it precisely, language begins to fall short.

Understanding the Many Shades of Ruby
Our eyes can distinguish millions of colour variations, far more than our vocabulary can comfortably name. In emeralds and rubies, especially, what we casually call “red” or “green” is rarely just that. A ruby may show flashes of pinkish-red, orangey-red, or purplish-red depending on the light. An emerald might lean bluish-green in one moment and reveal a warmer, slightly yellowish tone in another. The human eye perceives nuances instantly, whilst words struggle to keep up.

The Science Behind Gemstone Colour
Gemmology attempts to bridge this gap by breaking colour down into components: hue (the basic colour), tone (how light or dark it is), and saturation (how vivid or intense it appears). This structured language helps professionals communicate more clearly. Yet even then, colour remains subjective. Two people can look at the same gem and describe it differently because perception is influenced by lighting, environment, and even personal sensitivity to colour.

Why Mozambican Rubies Shine So Brightly
A ruby’s red comes from trace elements of chromium, and how it interacts with surrounding oxygen ions, as this affects the rays of light that are absorbed or reflected within the crystal. Rubies from Mozambique display the full known spectrum of colour ranges, including the most vivid, red hue, and naturally fluoresce under UV light.
The Fire Within Every Ruby
There is of course another dimension to colour in rubies, in that the gemstone possesses pleochroism – the ability to display different colours when turned at different angles due to selective absorption of light. It is the skill of the gemstone cutter to marry these colours together and form the most pleasing, vivid crimson. The beauty is, as ever, in the details, as subtle movements reveal flashes of orange, pink and purple, a dance which is referred to as the ‘fire within’, evoking a picture of glowing embers and the rawest of emotions.
Why Rubies Continue to Fascinate
This is why gemstones, and rubies in particular, are so fascinating: they resist rigid definition. Their beauty lies in subtle shifts, in the interplay between light and matter, in nuances that cannot be fully captured by simple words. The act of seeing outpaces speaking, and perhaps that mystery is part of what makes the colour in gemstones so powerful.
Discover Gemfields Ruby Jewellery
Choosing a Gemfields Mozambican ruby of your very own is easier than you might think! Gemfields collaborates with a number of international jewellery brands, offering an array of jewellery designs to suit your unique style.
Featured Gemfields Collaborations
Make a statement in the DIACOLOR x Gemfields Gleaming Flower Earrings which surround deep red Mozambican rubies with yellow diamond briolettes, for a look which simply cannot go unnoticed. Keep your rubies close to your chest with the stunning Fehmida Lakhany x Gemfields Ruby and Diamond Choker, or The Line x Gemfields Ladhi Ruby Necklace, which intersperses the soft sparkle of rose-cut diamonds with blushing Mozambican rubies. Bring the radiance of red closer to your face with striking earrings, such as Ivy New York x Gemfields Chandelier Earrings, which feature over 20 carats of dancing Mozambican rubies.
Product Information
Fehmida Lakhany x Gemfields Ruby and Diamond Choker (POA); Ivy New York x Gemfields Chandelier Earrings (POA); The Line x Gemfields Ruby Ladhi Ratan Necklace (POA); DIACOLOR x Gemfields Gleaming Flower Earrings (POA).
Price and Availability of all: On Request
Feature & Product Placement Opportunities
Would request to please let me know if we can explore feature or product placements opportunities for Gemfields.
About Gemfields
Gemfields is a world-leading miner of coloured gemstones. The company is a wholly owned subsidiary of Gemfields Group Limited, which is dual-listed on the Johannesburg and London AIM stock exchanges. Gemfields is the operator and 75% owner of both Kagem Mining in Zambia (a world-leading emerald mine) and Montepuez Ruby Mining in Mozambique (situated on one of the most significant recently discovered ruby deposits in the world).
In addition, Gemfields holds controlling interests in various other gemstone mining and prospecting licenses in Zambia, Mozambique and Madagascar. The company is headquartered in London, with offices in Bangkok, Jaipur, Johannesburg and Mauritius. Gemfields has developed a proprietary grading system and a pioneering auction platform to provide a consistent supply of coloured gemstones to downstream markets, a key component of Gemfields’ business model that has played an important role in the growth of the global coloured gemstone sector.
Today, the company implements and invests in industry-leading policies, practices and infrastructure across its operations; aligns with relevant industry standards to underpin its responsible approach; plays an active role in working groups to modernise the sector; and raises the profile of African gems through its global marketing efforts.
Gemfields funds projects to improve health, education and livelihoods for communities around its mines, supports local conservation partners and created the Gemfields Foundation, its charitable arm, which magnifies the scale of the work already carried out by Gemfields itself. Gemfields values transparency, legitimacy and integrity, and believes that coloured gemstones should create a positive impact for the countries and communities from which they originate.
FAQs
Why are rubies associated with July?
Ruby is the official birthstone for July and is widely recognized as a symbol of passion, vitality, and love.
What gives Mozambican rubies their vivid red colour?
Their striking colour comes from trace elements of chromium and the way light interacts within the crystal structure.
What is pleochroism in rubies?
Pleochroism is the ability of a ruby to display different colours when viewed from different angles due to selective light absorption.
Where does Gemfields source its rubies?
Gemfields sources its rubies primarily from Montepuez Ruby Mining in Mozambique.
Are the featured jewellery pieces available for purchase?
Yes. The featured jewellery is available through Gemfields’ collaborating jewellery brands, with pricing available on request.
What is Gemfields?
Gemfields is a world-leading miner of coloured gemstones with operations in Mozambique, Zambia, and Madagascar, focusing on responsible mining and sustainable practices.
Source: SVAR Media Network
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