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Vesper Hexagon Lab-Grown Green Tourmaline Engagement Ring in Sterling Silver

$165.00

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Gemstone: Green Tourmaline

Size: 4

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Size Chart

Find your ring size

Print at 100% / Actual Size — turn off "fit to page" or scaling.
Check the printed ruler measures exactly 80 mm.

Method A — Measure a ring

Lay a ring you own over the circles. The matching circle is your size.

Method B — Finger strip

Cut out the strip, wrap it around your finger, thread the end through the slit, and read your size.

Open the printable sizer (PDF)

1. Calibrate your screen — pick a reference object, hold it against the outline, and drag until the widths match exactly. On a phone, a coin is easiest — a card is often wider than the screen.

Bank card — hold vertically

2. Match a ring you own — drag until the circle fits just inside one of your rings.

US 6 · 16.5 mm · UK L½ · EU 52

This on-screen tool is a close guide, not a guaranteed exact fit. For certainty, order a ring sizer.

US	Diameter	Circumf.	UK/AU/IE	EU

UK, Australia & Ireland share the letter system. European sizes are approximate conversions.

In Stock Free Delivery Est. Nov 16

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Product Description

A 5 × 12 mm lab-grown tourmaline in deep forest green, cut as an elongated hexagon and set low in a milgrain bezel, between shoulders of hand-finished scrollwork set with round cubic zirconia. Solid 925 sterling silver with a rhodium finish.

Lab-Grown Green Tourmaline Hexagon Cut, 5 × 12 mm Milgrain Bezel Scrolled Shoulders Solid 925 Sterling Silver Sizes 4–11

The Design

Vesper is built around the stone. The elongated hexagon runs north to south along the finger, held in a full bezel with a fine milgrain edge, so the tourmaline sits low and protected rather than up on prongs. Either side, the band opens into a pair of scrolled shoulders, a curl of silver on each side with a small cluster of round cubic zirconia tucked into the curve, before narrowing back to a plain polished shank.

The effect is closer to an antique than a modern geometric ring: the hexagon gives it structure, the scrolls soften it, and the milgrain ties the two together. Our vintage engagement ring guide covers the details that make a ring read as period, and our hexagon engagement rings collection has the rest of the shape.

If you are weighing it against a classic solitaire, our buyer's guide to non-traditional engagement rings is the honest place to start.

The Green Tourmaline

The center is lab-grown tourmaline: genuine tourmaline grown in a laboratory, with the same chemistry and 7 to 7.5 Mohs hardness as the mined stone, in a saturated forest green that mined material rarely reaches at this size. The hexagon is cut with a flat table and a shallow facet border, so the color reads evenly across the face and darkens toward the two points. Tourmaline is an October birthstone.

Our green engagement rings guide sets tourmaline beside emerald, moss agate and the other green stones, and the October birthstone guide covers the stone's history. Against a bezel this deep the color is what you see first; our emerald meaning post is the place to go if you are weighing it against the better-known green.

Metal

The band is solid 925 sterling silver with a rhodium finish, the same platinum-group metal used on white gold, giving the bright mirror surface and shielding the silver from tarnishing. The white metal keeps the green cool rather than pulling it toward yellow.

Part of our women's engagement rings, sterling silver engagement rings, green gemstone jewelry and October birthstone collections, alongside the rest of our vintage engagement rings.

Specifications

Center stone: Lab-grown green tourmaline, elongated hexagon, 5 × 12 mm
Accent stones: Round cubic zirconia on the shoulders
Setting: Full bezel with milgrain edge; scrolled shoulders
Metal: Solid 925 sterling silver, rhodium finish
Hardness: Tourmaline, 7 to 7.5 on the Mohs scale
Birthstone: October
Band: Straight, polished
Sizes: 4 to 11, including half sizes
Engraving: Available, up to 16 characters
Presentation: Free luxury velvet jewelry box

Care

Tourmaline is 7 to 7.5 on the Mohs scale and suits daily wear. Clean with warm water, mild soap and a soft cloth, working around the scrollwork where lotion collects. Avoid ultrasonic cleaners, steam, chlorine and abrasive polishes, which are hard on the rhodium finish. Store the ring apart from harder jewelry so nothing scratches the stone. Our how to clean sterling silver guide covers the rest.

Frequently Asked Questions

Is the tourmaline real?

It is lab-grown tourmaline: real tourmaline with the same chemistry, hardness and color as a mined stone, grown in a laboratory rather than dug up. It is not glass or a simulant. The small round stones on the shoulders are cubic zirconia.

What color is the stone?

A deep forest green, darker and bluer than peridot and more saturated than most mined green tourmaline. It reads near-black at the points of the hexagon and brightens to a clear bottle green across the table.

Is tourmaline durable enough for an engagement ring?

Yes, with ordinary care. Tourmaline is 7 to 7.5 on the Mohs scale, and the full bezel takes the knocks the edges of the stone would otherwise take. Take it off for heavy work and it will wear well.

Is tourmaline a birthstone?

Yes. Tourmaline is an October birthstone, alongside opal.

What does the hexagon shape mean?

Nothing formal. It is a modern cut that gives the stone clean lines and a slightly longer look on the finger than an oval of the same size.

How big is the center stone?

5 × 12 mm, an elongated hexagon, set north to south so the length runs along the finger.

What is the ring made of?

Solid 925 sterling silver throughout, hallmarked, with a rhodium finish for a bright white surface. No brass or base metal.

Will the silver tarnish?

The rhodium finish acts as a barrier, so it resists the darkening untreated sterling develops. The finish does wear thin after years of daily wear, and we can refinish the ring when it does.

What sizes are available?

Sizes 4 through 11, including every half size. If you are between sizes, our ring sizer is the safest way to check before ordering.

Can I have it engraved?

Yes. Engraving is available on the inner band, up to 16 characters, and can be added as an option at checkout.

Is it available in other stones?

Yes. The same Vesper setting is listed with a natural labradorite center, and the gemstone swatch on this page links to it.

Are the stones ethically sourced?

Yes. The tourmaline is lab-grown, so no mining is involved, and all Aquamarise stones are conflict-free and responsibly sourced. Every order arrives in a free luxury velvet jewelry box.

Properties of Paraiba Tourmaline

Properties of Cubic Zirconia

Shipping & Delivery

Engraving

Shop the Look

Free US shipping

Free ring box

Free size exchange

Ethically sourced

Women's wedding bands by Aquamarise, two slender bands set with pink and multicolored gemstones on a soft white background.

Complete the set

Sterling Silver Wedding Bands

Rhodium-finished 925 sterling, cut to sit flush against this setting. Prefer something that never needs refinishing? Our solid gold and platinum bands are made to order.

Shop the collection

Free U.S. Shipping + Worldwide Delivery

Ethically Sourced Gemstones

Handcrafted by Aquamarise®

Complimentary Engraving on Every Order

Free U.S. Shipping + Worldwide Delivery

Ethically Sourced Gemstones

Handcrafted by Aquamarise®

Complimentary Engraving on Every Order

What Makes Aquamarise® Different

Two rings with colorful gemstones on a gray surface with a purple gradient background

Ethically Sourced, Always

Each gemstone is meticulously hand-selected for its brilliance and clarity, responsibly sourced from trusted partners around the world.

Built to Be Worn, Not Just Admired

Every piece is expertly crafted and finished to endure daily wear, combining lasting strength with enduring beauty beyond the display case.

Specifically Designed for You

Every Aquamarise® creation is thoughtfully designed for those who view jewelry as a personal expression. Never mass-produced, each piece carries a sense of meaning and individuality.

Crafted to Last. Not Just Sparkle.

While most jewelers focus on appearance, Aquamarise® focuses on craftsmanship, durability, and pieces you will treasure forever.

		Others
Premium Materials
Personalized Engraving
Craftsmanship Guarantee
Ethically Sourced Gemstones
Luxury Gift Packaging

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Frequently Asked Questions

925 means the metal is 92.5% pure silver, alloyed for strength — pure silver on its own is too soft to hold a stone securely. It is the international standard for fine silver jewelry, and every Aquamarise® piece is stamped 925 inside the band.

Ours is then finished with rhodium — the same precious-metal finish used on white gold. Rhodium is one of the hardest metals used in jewelry and completely non-reactive, which is what gives the ring its bright, cool white surface and keeps it looking that way through daily wear.

Warm water, a drop of mild washing-up liquid and a soft toothbrush around the setting. Rinse well and dry thoroughly with a soft cloth — moisture left sitting on any finish is what dulls it fastest.

Skip the silver dips and abrasive polishing compounds sold for untreated silver: the rhodium finish is doing the work here, and those products strip it rather than clean it. Take the ring off before swimming, cleaning or applying perfume and lotion, and store it dry and separately from harder stones. Our Jewelry Care Guide has the full routine.

For a promise ring, a stacking ring, a travel piece or a first engagement ring, it is an excellent choice — rhodium-finished, bright white, and a fraction of the price of gold. It is the metal most of our customers start with, and the reason our silver engagement rings outsell everything else on the site.

For a ring intended to be worn every day for decades, solid gold and platinum are harder-wearing and hold their value; those are made to order in 3–6 weeks and cost considerably more. Plenty of couples buy sterling now and upgrade at an anniversary. Our Precious Metal Guide compares them side by side.

Measure at home with our Ring Size Chart, or use the Find my ring size link beside the Add to Cart button. If you are between sizes, size up.

If the fit is not right when it arrives, one free size exchange per order is included — send it back within 30 days unworn and we will send the correct size out. Engraved rings are the one exception, as each is cut specifically for you.

On most designs, yes — where engraving is available, a text field appears with the options above. Standard laser engraving is complimentary: up to 16 characters on women’s rings and 25 on men’s, set in Arial, with a selection of symbols included at no extra cost. Custom fonts and symbols are $25 and are arranged before you order.

See the Engraving page for examples. Engraved rings are final sale, so check your wording carefully — we engrave exactly what is entered.

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