Gemstone guide
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What is Blue Zircon?
Blue Zircon is a variety of zircon, coloured by trace amounts of iron. A guide to the gem, and to buying one well.
About Blue Zircon
01- Species
- Zircon
- Variety
- Blue Zircon
- Hardness (Mohs)
- 7.5
- Refractive index
- 1.93-1.98
- Colour caused by
- Trace amounts of iron
Blue Zircon, a gemstone of extraordinary allure, captivates with its vibrant hue and remarkable brilliance. Known for its dazzling cornflower blue appearance, this gem is cherished for its exceptional clarity and radiance. Predominantly sourced from the esteemed regions of Cambodia and Tanzania, each stone is a testament to nature's artistry and the meticulous craftsmanship that enhances its beauty.
These gems are often heat-treated to intensify their striking blue colour, a process that is both standard and accepted in the world of fine jewellery. With prices starting from around $79 per carat, Blue Zircon offers a luxurious yet accessible option for those seeking a gemstone that embodies both elegance and sophistication. Many stones are accompanied by a laboratory certificate from renowned institutions such as AIGS and ICALAB, ensuring authenticity and quality.
Judging quality
02What drives the value
- Color saturation
- Clarity
- Size
- Cut quality
What to watch for when buying
- Beware of synthetic or treated stones being misrepresented as natural.
- Check for clarity and inclusions that may affect the stone's brilliance.
Inclusions you may see
- Zircon crystals may contain inclusions such as zirconolite, liquid inclusions, and color zoning.
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
- $181 per carat
- Most stones
- $91–$434 per carat
- Based on
- 158 stones in our stock, updated weekly. Blue Zircon prices by carat size →
From our stock
05
From the journal
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Frequently Asked Questions
07What are the origins of Blue Zircon?
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Blue Zircon is primarily sourced from Cambodia and Tanzania, regions renowned for producing stones of exceptional colour and clarity.
Is Blue Zircon treated?
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Yes, Blue Zircon is often heat-treated to enhance its vivid blue colour, a common practice in the gemstone industry.
What drives the value of Blue Zircon?
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The value of Blue Zircon is influenced by its colour, clarity, and cut. The most desirable stones exhibit a vibrant cornflower blue hue, high clarity, and expert craftsmanship.
How should I choose a Blue Zircon?
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When selecting a Blue Zircon, consider the intensity of its colour, the clarity grade, and the quality of the cut. These factors together determine the stone's overall appeal.
Is certification available for Blue Zircon?
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Many Blue Zircon stones come with a laboratory certificate from AIGS or ICALAB, and certification is available on request for any stone.
Shop
Blue Zircon
Every stone shows its own price, weight, origin and treatment. Browse our blue zircon, or contact our team for personal help choosing one.