In this article
GemStore team — written by the people who list and pack every stone.
Reviewed on
Traditional belief vs gemmology: anything on this page about luck, protection, planets, healing or religious tradition describes traditional and cultural beliefs — not proven effects, religious rulings or medical advice. A stone's identity, hardness, treatment and origin are gemmology, which a lab can test; the references at the end of the page cover that side.
Blue topaz is one of the brightest, most affordable blue gems you can buy, and it is chosen both as jewellery and, by some buyers, for traditional reasons. Before you choose one, it helps to understand something about its colour that many sellers gloss over.
Almost every blue topaz is treated, and that is normal
Natural topaz is usually colourless or very pale. The vivid blues on the market come from treating colourless natural topaz, typically with irradiation followed by heating. The stone itself is genuine natural topaz; the treatment fixes a stable colour that does not fade in normal wear. Treated blue topaz from reputable sources is checked to be safe before it is sold. The key is disclosure: a seller should say the colour is treated, and we do.
The colour names, decoded
- Sky blue: light and bright, the most affordable.
- Swiss blue: a vivid, slightly electric mid blue.
- London blue: a deep, inky blue with a touch of grey or teal.
These are trade names for shades, not origins. Pick the one you like; none is "more real" than another.
What it is not
Blue topaz is often confused with aquamarine, which is lighter in the hand and usually softer in colour, and with blue glass, which shows round bubbles under magnification. If a stone sold as aquamarine is a strong electric blue, ask questions.
Hard, but mind the cleavage
At 8 on the Mohs scale topaz is hard and handles daily wear well. It does have a cleavage direction, meaning a sharp knock at the wrong angle can split it, so a setting that protects the edges is wise, and it is best kept away from steam cleaners and sudden temperature changes.
Who wears it, traditionally
Some astrologers use blue topaz as an affordable alternative within the Saturn or Jupiter group, while others do not use it at all. It is also widely worn simply as a birthstone for December. These are traditions and beliefs; we make no promise of any result. If you are following an astrologer's advice, agree the stone, weight, metal and finger with them before a ring is made, and see our rashi guide for common pairings.
Choosing a good one
Look for even colour without patchy zones, a lively cut that returns light across the whole face, and no chips at the girdle.
Browse with confidence
Each stone in our blue topaz collection is inspected, photographed individually and listed with its treatment. You can open the parcel before paying cash on delivery and return it within 7 days if it is not right. Also worth a look: garnet and moss agate. Urdu and English names are on the names page, with delivery to Lahore, Karachi and every other city in Pakistan.
References
