What is the most popular blue gemstone?

Blue sapphire is the most popular blue gemstone, valued for its royal-blue color and Mohs 9 hardness that makes it ideal for daily-wear rings. Aquamarine follows as a lighter, sea-blue alternative at a more accessible price, with blue topaz offering bright, vivid color affordably. All three are set across Aquamarise® blue gemstone jewelry.

What is the best blue gemstone for an engagement ring?

Blue sapphire is the best blue gemstone for engagement rings thanks to its Mohs 9 hardness, brilliant color, and royal heritage. Teal and Montana sapphires offer a modern blue-green alternative, while aquamarine suits softer sea-blue styles at a slightly lower Mohs 7.5–8 hardness. Explore our sapphire engagement rings .

What is the difference between sapphire and aquamarine?

Sapphire is corundum (Mohs 9) with deep, saturated royal-blue color and exceptional hardness for everyday wear. Aquamarine is a beryl (Mohs 7.5–8) with a lighter, sea-clear blue and slightly softer durability. Sapphire suits bold, deep-blue looks; aquamarine suits airy, pale-blue styling.

Is blue sandstone a real gemstone?

Blue sandstone, sometimes called goldstone, is a man-made material rather than a natural mined gem — it contains copper crystals that create its signature starry shimmer. Aquamarise® always discloses it honestly as a copper-crystal artisan material. Explore our blue sandstone jewelry .

How do I care for blue gemstone jewelry?

Clean with warm water, mild soap, and a soft cloth. Sapphire and topaz tolerate daily wear well; aquamarine and blue sandstone should avoid hard knocks and ultrasonic cleaning. See our jewelry care guide .

Blue Gemstone Jewelry

Of every color a gemstone can take, blue is the one the world keeps returning to — the color of deep water and far distance, of calm and of royalty. Read more

Of every color a gemstone can take,… Read more

Green Gemstone Jewelry Teal Gemstone JewelryBlue Gemstone JewelryPurple Gemstone Jewelry White Gemstone Jewelry Pink Gemstone Jewelry Red Gemstone Jewelry Orange Gemstone Jewelry Yellow Gemstone Jewelry Black Gemstone Jewelry

More to Explore

Blue Gemstones: The Complete Guide to Every Shade & Stone

Aquamarine vs Sapphire Engagement Rings: The Complete Comparison

Pale-blue aquamarine ring with a scalloped diamond halo and white-gold infinity shoulders on continuous lavender silk.

March Birthstone Rings: The Complete Aquamarine Engagement Guide

This collection gathers every blue stone we set in one place — sapphire, aquamarine, London blue topaz, tanzanite, turquoise, lapis lazuli, and the starlit shimmer of blue sandstone — across 925 sterling silver, 14K gold vermeil, and solid 14K gold. Rings, wedding bands, couples sets, and necklaces, handcrafted and hand-finished since 2016.

The Many Blues of the Gem World

Blue gemstones run from the palest sky to the depths of the midnight ocean, and the difference is written into the stone itself — iron and titanium lend sapphire its royal saturation, iron gives aquamarine its sea-clear cool. Blue is consistently the most requested color in fine jewelry, and the reason is less fashion than feeling: it reads as calm, as constancy, as something that holds. That emotional steadiness is why it has anchored engagement rings and heirloom pieces for centuries.

The Most Popular Blue Gemstones

When people picture a blue gemstone, they are usually picturing a sapphire. Corundum in its blue form sits at a formidable Mohs 9, second only to diamond, which is precisely why it has become the quiet standard for a ring meant to be worn every day for a lifetime. Its color spans cornflower to deep royal, and that range is what makes a sapphire engagement ring feel personal rather than generic.

Where sapphire is depth, aquamarine is light. A beryl of Mohs 7.5–8, it carries the literal color of seawater — the stone our studio took its name from — and brings an airiness the deeper blues cannot. For those drawn to the luminous rather than the saturated, an aquamarine engagement ring is the natural home of that preference. Nearby sit the bright, lively blues of topaz and, at the blue-green border, the teal and Montana sapphires that have become the signature of modern alternative bridal. Not every blue is mined, either — blue sandstone, sometimes sold as goldstone, is a copper-crystal artisan material prized for the starlit shimmer inside it, and we name it honestly as exactly that in our blue sandstone jewelry.

The Best Blue Gemstones for Rings

For a ring worn daily, blue sapphire's Mohs 9 hardness makes it the safest and most enduring choice, with teal and Montana sapphires offering the same toughness in a more modern blue-green. Aquamarine suits a softer, sea-blue aesthetic but asks for a little more care at Mohs 7.5–8. The decision is really one of mood — depth versus light — more than durability alone.

Below sapphire and topaz the blues get softer and ask for more thought. Tanzanite sits at Mohs 6–7, and turquoise and lapis lazuli at 5–6, so all three do best in protective settings — bezels and halos rather than high, exposed solitaires. If you would rather start from the setting than the stone, browse every colored stone we set.

Setting Blue Gemstone Jewelry in Metal

Cool metals are blue's natural companions — white gold and sterling silver let a sapphire or aquamarine read true, while a warm yellow gold vermeil throws the blue into vivid relief for those who want contrast rather than harmony. Our precious metal guide walks through the trade-off in more detail.

The metals themselves are straightforward. 925 sterling silver is a solid alloy — 92.5% silver with 7.5% copper — so it is the same metal all the way through. 14K gold vermeil bonds a 2.5 micron layer of 10K or finer gold to that same sterling core, the minimum thickness the FTC requires for the vermeil name, and solid 14K gold is 58.5% pure and stamped 585. Solid gold and platinum pieces are made to order in three to six weeks.

Blue Gemstone Jewelry FAQs

Tanzanite is a blue-violet zoisite found in only one place on earth, the Merelani Hills of Tanzania, which makes it geologically scarce in a way sapphire is not. At Mohs 6–7 it sits well below sapphire, so it rewards a protective bezel or halo setting rather than a high, exposed solitaire. Choose it for the rarity and the violet undertone; choose sapphire if the ring will take daily knocks.

Both are soft by ring standards, sitting at Mohs 5–6, and both are porous rather than glassy. That makes them best suited to necklaces, earrings, and rings worn occasionally rather than every day, and it means keeping them away from ultrasonic cleaners, household chemicals, and lotions. Wipe them with a dry or barely damp soft cloth instead of soaking, and store them apart from harder stones.

Three. 925 sterling silver is a solid alloy of 92.5% silver and 7.5% copper, so the metal is the same all the way through the piece. 14K gold vermeil bonds a 2.5 micron layer of 10K or finer gold over that same sterling core, the thickness the FTC requires before a piece may be called vermeil. Solid 14K gold is 58.5% pure and stamped 585; solid gold and platinum are made to order in three to six weeks.

Gemstone Rings Gender Neutral Rings Moonstone Rings & Jewelry Morganite Jewelry Stackable Rings Stacking Rings Turquoise Jewelry Women’s Black Rings Lapis Lazuli Rings All Gemstone Jewelry Rings All Jewelry Women’s Jewelry Men’s Jewelry Necklaces Earrings

4.9

38,000+ verified reviews

“Both rings are absolutely beautiful, the pictures do not do them justice.”

Crystal N., verified buyer

“It is stunning and very comfortable on the hand as well.”

Christina K., verified buyer

“These became our wedding rings! The stones are amazing and very beautiful!”

Alice, verified buyer

“The ring is beautiful and I love that I was able to have it engraved.”

Kathryn A., verified buyer

Your cart 0 items

Your cart is empty