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Lab-Created Magenta Opal & Lavender Sapphire Butterfly Ring in Black Ruthenium

$175.00

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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 butterfly ring in black. Four kite-cut lab-grown lavender sapphires form the wings, set point-out in openwork filigree frames, and two pear-cut lab-created magenta opals sit back to back at the center for the body. Solid 925 sterling silver with a black ruthenium finish.

Lab-Grown Lavender Sapphire Lab-Created Magenta Opal Four Kite Wings Filigree Frames Black Ruthenium Finish Sizes 4–11

The Design

The ring is built as one insect seen from above. Two long kites run north and south along the finger and two shorter kites run east and west, all four pointing outward, so the stones themselves draw the wingspan. Between them, two pears meet point to point to make the body, and the ruthenium around each stone is pierced into scrolled filigree so the wings read as lace rather than solid metal. The band is a slim straight shank that disappears under the wings.

It belongs to the dark-romance lane we cover in gothic engagement rings and black rings for women; for the wider field, fantasy engagement rings and non-traditional engagement rings.

The Stones

The four wings are lab-grown sapphire, grown as corundum with the same chemistry and 9 Mohs hardness as a mined sapphire, in a soft lilac-violet. Cut as kites, each one carries a sharp outer point and a flat step-cut face that flashes as a single plane of color rather than sparkling. The sapphire engagement rings guide covers lab-grown versus mined, and the purple gemstones guide places lavender sapphire against amethyst and tanzanite.

The body is lab-created opal in a hot magenta with green and orange play of color across the pears. Lab-created opal is grown silica with the same structure as the natural stone, which is where the color play comes from; it is softer than sapphire, around 5.5 to 6.5 on the Mohs scale, and sits protected between the harder wings. Our opal meaning post covers the stone, and October birthstone guide has more on opal as a gift. Sapphire is the September birthstone, opal the October one.

Metal

Solid 925 sterling silver with a black ruthenium finish, a platinum-group metal that settles to a deep gunmetal rather than a flat black. Against it the lavender reads cooler and the magenta hotter than either would on polished silver, and the filigree reads as shadow between the stones.

Part of our sapphire engagement rings, opal engagement rings, purple gemstone jewelry and September birthstone collections, alongside the rest of our black ruthenium jewelry and gothic engagement rings.

Specifications

Wing stones: Four lab-grown lavender sapphire kites
Body stones: Two lab-created magenta opal pears
Metal: Solid 925 sterling silver, black ruthenium finish
Setting: Prong-set kites and pears in pierced filigree frames; slim straight shank
Hardness: Sapphire 9, lab-created opal 5.5 to 6.5 on the Mohs scale
Birthstones: September (sapphire), October (opal)
Sizes: 4 to 11 including half sizes; custom sizes made to order
Engraving: Available, up to 16 characters
Presentation: Free luxury velvet jewelry box

Care

The sapphire wings are 9 on the Mohs scale; the opal body is the softer part of the ring, so keep it clear of hard knocks and put the ring on after perfume and lotion. Clean with warm water, mild soap and a soft brush, working the brush through the filigree where lotion collects, then dry before storing. No silver polishing cloths or abrasive compounds, which thin the black ruthenium finish; avoid ultrasonic cleaners and household chemicals for the same reason. Take it off for the gym, gardening and heavy cleaning. Our engagement ring care guide covers the rest.

Frequently Asked Questions

Are the stones real?

The four wings are lab-grown sapphire: real corundum, grown in a lab rather than mined, not a simulant. The two body stones are lab-created opal, grown silica with the same play of color as natural opal.

What shape are the wing stones?

Kite cut, a four-sided shape with a sharp outer point and a step-cut face. The two along the finger are longer than the two across it, which is what gives the butterfly its wingspan.

What color is lavender sapphire?

A soft lilac-violet, lighter and cooler than amethyst. It reads pale in daylight and deepens a little under warm indoor light.

What color is the opal?

A hot magenta base with green and orange flashes that move as the ring turns.

Is this a birthstone ring?

Two of them. Sapphire is the September birthstone and opal is the October birthstone.

Is opal durable enough for a ring?

Lab-created opal is 5.5 to 6.5 on the Mohs scale, so it needs more care than the sapphire wings. It sits low between them, which protects it, but keep it away from hard knocks, chemicals and ultrasonic cleaners.

How dark is the black ruthenium finish?

Ruthenium settles to a deep gunmetal rather than a flat jet black. The slight reflectivity keeps the filigree legible instead of flattening it into a silhouette.

What is the ring made of?

Solid 925 sterling silver with a black ruthenium finish. No brass or base metal.

How wide is the ring on the finger?

The wings span the width of the finger and the shank underneath is slim, so it wears as a statement ring without a wide band.

Can I stack it with a band?

Yes. The shank is straight and the wings sit above it, so a slim band stacks against it on either side.

What sizes are available?

Sizes 4 through 11, including every half size. If you need a size outside that range, choose the custom size option and we will make it to order.

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.

Are the stones ethically sourced?

Yes. All Aquamarise stones are conflict-free and responsibly sourced, and every order arrives in a free luxury velvet jewelry box.

Properties of Sapphire

Properties of Opal

Shipping & Delivery

Engraving

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Free US shipping

Free size exchange

Ethically sourced

Free ring box

Black ruthenium marquise amethyst engagement ring and matching amethyst inlay band framed by lilac mesh ribbon, Aquamarise vertical couples ring banner

Black Rings for Women

The same charcoal-gunmetal finish across engagement rings, stacking bands and matching sets — every one plated over solid 925 sterling silver. Shopping for him? Our men’s black rings add tungsten and titanium, which hold their color harder than any plating.

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 blue stones on a gray stone surface

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.

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

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Frequently Asked Questions

Ruthenium is a platinum-group metal — the same family as platinum, palladium and rhodium — and one of the rarest elements in the earth’s crust. It is extremely hard but also brittle, which is why it is used as a finish rather than a solid metal: here it is electroplated over a solid 925 sterling silver base and tuned toward a smoky, near-black tone.

Despite the name it is not a flat jet black. It reads deep charcoal in daylight and near-black in low light, which is what makes stones and carved detail feel dimensional. Our full guide, What Is Black Ruthenium?, covers the science — or browse the whole black ruthenium collection.

Honestly: it is durable, but it is not permanent — no plated finish is. Ruthenium is one of the harder platings available and resists corrosion well, but it wears gradually at high-friction points, most often the inside of the shank, where brighter silver can begin to show through. Friction, moisture and skin chemistry decide how quickly.

That is expected rather than a fault, and many people like the lived-in, antique-blackened character it develops. The finish can also be professionally stripped and re-plated, because the sterling silver structure underneath stays intact. If you want a dark ring whose color barely changes, our black tungsten and titanium bands are coated rather than plated and hold their tone harder than any plating.

For most people, yes. Ruthenium is a platinum-group metal that is chemically stable and corrosion-resistant, so it rarely reacts with skin.

Because any plating is thin, the metal underneath matters too — if a finish wears through, skin can contact the base. Here that base is 925 sterling silver, which is itself nickel-free, so both the surface and the metal beneath are skin-friendly. Our Precious Metal Guide compares the options if you are highly nickel-sensitive.

They are platinum-group cousins, both electroplated, so the differences are real but subtle. Ruthenium is generally the harder of the two, so on a ring worn daily it tends to hold up marginally longer at the contact points. Black rhodium reads a touch cooler and closer to true black, and it is the more expensive metal.

If you want the deepest possible black, rhodium has a slight edge on color. If you want hardness and value, ruthenium is hard to beat. Our materials guide sets the two 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 in original condition and we will send the correct size out. Engraved rings are the one exception, as each is cut specifically for you. Full terms are on our Returns & Refunds page, and every ring is covered by our warranty against manufacturing defects.

Warm water, a drop of mild soap and a soft cloth; dry it thoroughly before it goes away. Put it on last — after perfume, lotion and hairspray — and take it off before swimming, showering, exercising, gardening or cleaning.

Skip abrasive polishes and silver dips. Those are made for untreated silver and will grind through a thin plated layer rather than clean it, and ultrasonic and steam cleaners can lift a plated surface for the same reason. Store each piece dry, in a pouch or lined box, away from harder stones. Our Jewelry Care Guide has the full routine.

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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Lab-Created Magenta Opal & Lavender Sapphire Butterfly Ring in Black Ruthenium