Gemstone guide
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What is Mozambique Ruby?
Mozambique Ruby is the ruby variety of corundum, coloured by chromium. A guide to the gem, and to buying one well.
About Mozambique Ruby
01- Species
- Corundum
- Variety
- Ruby
- Hardness (Mohs)
- 9
- Refractive index
- 1.76 - 1.77
- Colour caused by
- Chromium
Mozambique Rubies, renowned for their captivating allure, are among the most sought-after gemstones in the world of fine jewellery. These exquisite gems are primarily sourced from the rich terrains of Mozambique, with some originating from Madagascar and other parts of Africa. Their value is driven by their mesmerising hues, ranging from the coveted Pigeons Blood red to vibrant pink and orange tones, each stone a unique masterpiece of nature.
Many of these rubies undergo careful heat treatment to enhance their natural beauty, while a select few remain unheated, preserving their original splendour. The clarity of these gems, from internally flawless to very slightly included, further adds to their desirability. With cuts that include Fine Step, Emerald, and Asscher, each ruby is meticulously crafted to showcase its brilliance. Many stones are accompanied by a laboratory certificate from esteemed institutions like GRS, AIGS, and GIL, ensuring authenticity and quality.
Judging quality
02What drives the value
- Vibrant colour
- Clarity
- Cut quality
What to watch for when buying
- Overlooking the significance of treatment (heated vs unheated)
- Assuming all rubies are of equal quality based on colour alone
Origin, treatment and trade names
03Where it comes from
TreatmentAs disclosed for the stones we sell; every listing states its own.
Trade names
Price per carat
04- Typical price
- $7,984 per carat
- Most stones
- $2,880–$12,530 per carat
- Based on
- 260 stones in our stock, updated weekly. Mozambique Ruby prices by carat size →
From our stock
05Frequently Asked Questions
06Where do Mozambique Rubies come from?
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Mozambique Rubies are primarily sourced from Mozambique, with some also originating from Madagascar and other parts of Africa.
Are Mozambique Rubies treated?
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Many Mozambique Rubies undergo heat treatment to enhance their colour and clarity, though some are available unheated, retaining their natural allure.
What drives the value of Mozambique Rubies?
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The value of Mozambique Rubies is driven by their intense colour, clarity, and the craftsmanship of their cut. The most prized are those with the vivid 'Pigeons Blood' hue.
How should I choose a Mozambique Ruby?
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When choosing a Mozambique Ruby, consider the colour, clarity, and cut. Opt for stones with a vivid hue and high clarity, and ensure the cut enhances the stone's natural brilliance.
Are Mozambique Rubies certified?
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Many Mozambique Rubies are accompanied by a laboratory certificate from respected labs such as GRS, AIGS, and GIL. Certification is available on request for any stone.
Shop
Mozambique Ruby
Every stone shows its own price, weight, origin and treatment. Browse our mozambique ruby, or contact our team for personal help choosing one.




