London blue topaz rings showcase the deepest, moodiest blue in the topaz family — a rich inky teal-blue with a faint gray undertone that looks dramatically different from bright sky-blue topaz. It is the most sought-after blue topaz shade for exactly that reason: it reads as luxurious and slightly mysterious rather than pastel. Topaz ranks 8 on the Mohs scale, making a London blue topaz ring both striking and genuinely wearable, and Aquamarise sets it in sterling silver, gold vermeil and solid gold.
What makes London blue different
Blue topaz comes in three broad shades: pale sky blue, vivid Swiss blue, and the deep London blue found here. London blue is the darkest and most saturated of the three, with a slate-and-teal depth that pairs especially well with white metals and looks richer in low light than lighter blues. Explore the wider family in our topaz jewelry collection, or see it alongside other cool-toned stones in blue gemstone jewelry.
London blue topaz engagement rings
A London blue topaz engagement ring is one of the most affordable ways to get real depth of color in a center stone. Its saturation stands up beautifully to halo settings and vintage-inspired detail, and it partners naturally with sapphire and aquamarine tones. Compare it with other colored center stones in gemstone engagement rings, or browse related topaz engagement rings.
Wearing & caring for topaz
At Mohs 8, topaz is harder than quartz and well suited to everyday rings, though it can chip on a hard knock, so a protective setting is a smart choice for daily wear. White metals sharpen the blue — see sterling silver rings — while warm gold creates a deliberate contrast against the cool stone. Topaz is November’s birthstone, and blue topaz is also commonly given as a December alternative; our birthstone guide covers both.
London Blue Topaz Rings FAQs
What is London blue topaz?
London blue topaz is the deepest, most saturated shade of blue topaz — an inky teal-blue with a subtle gray undertone, darker than both sky blue and Swiss blue topaz.
How is London blue different from Swiss blue topaz?
Swiss blue is a bright, vivid mid-blue, while London blue is noticeably darker and moodier, with more depth and a slate-like undertone.
Is London blue topaz good for an engagement ring?
Yes. At Mohs 8 it is durable enough for regular wear and offers exceptional color depth for the price. A protective setting is recommended for daily wear, as topaz can chip on a hard impact.
What birthstone is blue topaz?
Topaz is November’s birthstone, and blue topaz is also widely given as an alternative December birthstone. See our birthstone guide.
Which metal suits London blue topaz best?
White metals such as sterling silver sharpen and cool the blue, while warm gold creates a striking contrast against it.
From the Blog
Gothic Necklaces: Dark Romantic Styles Guide
A guide to gothic necklaces: what defines dark-romantic style, black onyx and dark gemstones, signature Lovers of the Dark and Night Court pieces, and how to style and care for...
Moonstone Necklaces: Meaning, Styling & Care
The luminous June birthstone at the neckline: what moonstone means, why it glows, how to style a moonstone necklace, and how to keep it glowing.
Are Lab-Grown Diamonds Real Diamonds?
Yes—lab-grown diamonds are real diamonds. Here's the science, the 2018 FTC ruling, how they're grown (HPHT and CVD), grading, price, and resale versus natural.
April Birthstone: The Complete Diamond Guide
April's birthstone is the diamond. The complete guide to its color, meaning and symbolism, history, the 4Cs, natural vs lab-grown diamonds, and choosing jewelry.