A gold eternity ring featuring round-cut blue opal and white opal gemstones, resting on a textured stone surface with a blurred green background.
    A gold eternity ring featuring round-cut blue opal and white opal gemstones, resting on a textured stone surface with a blurred green background.
A gold eternity ring featuring round-cut blue opal and white opal gemstones, resting on a textured stone surface with a blurred green background.
Gold Gems Glitter

Lab Black & White Opal Half-and-Half Ring | Round Cabochon Black Opal & White Opal | Rotatable Two-Tone Stacking Band | October Birthstone | 925 Sterling Silver or Gold Alloy

Regular price
$87.95
Sale price
$87.95
Regular price

A lab-created opal stacking band where one half of the top arc is set with round cabochon black opals and the other half with round cabochon white opals — handcrafted in Jaipur in 925 sterling silver or gold alloy. The two-tone half-and-half layout creates a ring that can be worn with either colour facing up: rotate the ring to lead with the deep dark body tone of the black opal, or flip it to show the bright iridescent surface of the white opal. The play-of-colour in both stone types shifts under different light conditions, meaning the ring’s appearance changes throughout the day.

⚠️ Opal Care Note — Please Read Before Ordering

Both lab-created black and white opal have the same care requirements as natural opal. Avoid impacts (opal at Mohs 5.5–6.5 can chip), thermal shock, ultrasonic cleaners, and prolonged exposure to harsh chemicals. See the full care section below.

Stone Details

  • Stones: Lab-created black opal and lab-created white opal — round cabochon cut; prong-set in a continuous arc along the top half of the band
  • Layout: Half-and-half — black opal stones on one half of the arc, white opal stones on the other half, meeting at the midpoint of the band’s top arc
  • Black Opal: Dark body tone (black/very dark grey base); play-of-colour appears vivid against the dark background — spectral flashes of green, blue, red visible in the right light
  • White Opal: Light body tone (white/cream base); play-of-colour appears more diffuse against the pale background — pastel iridescence across the surface
  • Opal Mohs Hardness: 5.5–6.5 — handle with care; remove before physical activity and impacts
  • Lab-created and conflict-free; same composition and optical properties as natural opal
  • Opal is the traditional October birthstone

Ring Details

  • Style: Half-and-half two-tone opal stacking band — October birthstone ring, anniversary gift, everyday stacking piece, or versatile statement band
  • Metal: 925 sterling silver or gold alloy (select above)
  • Band: Low-profile prong setting; smooth continuous arc of round cabochon stones across the top half of the band; plain metal back
  • Hypoallergenic & nickel-free base
  • Ring Sizes: US/CA 3–11¾ (half and quarter sizes available on request)

About the Half-and-Half Design

The half-and-half layout divides the stone arc into two equal sections of contrasting stones meeting at the band’s midpoint. The contrast here is body tone: black opal has a dark base (N1–N4 on the opal body tone scale), which creates high contrast with the play-of-colour; white opal has a light base (N8–N9), where the play-of-colour appears against a pale, milky ground. On the same ring, these two visual experiences sit side by side. Because the ring is a continuous band rather than a fixed-orientation ring (no prong or setting that locks its position on the finger), it can be rotated: wear it with the black opal section at the top for a darker, more dramatic look; rotate it so the white opal section is prominent for a lighter, more iridescent look. The play-of-colour in both sections will also shift as the light angle changes throughout the day — indirect indoor light, direct sunlight, and candlelight all produce different spectral flashes in opal.

About Lab-Created Opal

Opal is a hydrated amorphous form of silica; its play-of-colour (the spectral flashes that move across the surface) is caused by the diffraction of light through a regular grid of silica spheres within the stone. Lab-created opal has the same composition and produces the same play-of-colour effect as natural opal, formed under controlled conditions. The Mohs hardness (5.5–6.5) and care requirements are identical to natural opal — lab-created does not mean more durable; it means more consistent and conflict-free. The cabochon cut — smooth and domed, without facets — is the traditional cut for opal because it maximises the visible play-of-colour across the dome’s surface.

Available Metals

  • 925 Sterling Silver — may tarnish naturally with moisture and wear; restore with a silver polishing cloth and store in an anti-tarnish pouch when not wearing
  • Gold Alloy — solid gold-coloured alloy, not plated; message us for full composition and colour details (yellow, rose, or white tone)

Custom Options

Would you prefer all black opals or all white opals instead of the half-and-half arrangement? Message us before ordering to discuss; made-to-order so custom stone arrangements are available. Personalization fees may apply.

Custom Sizing

Half and quarter sizes available — message us before ordering with your exact size.

Occasions & Gift Ideas

  • October birthstone gift, Anniversary, Opal lover gift, Two-tone stacking ring buyer, Birthday, Everyday versatile band
  • Perfect for: October birthday, opal collector, stacking ring buyer, person who likes to change up their look without changing their ring

Care Instructions — Opal Requires Specific Care

  • Avoid impacts — opal at Mohs 5.5–6.5 can chip or crack; the prong setting protects the stone’s sides but the cabochon dome face is exposed
  • Avoid thermal shock — sudden temperature changes can cause opal to crack
  • Do not use ultrasonic or steam cleaners
  • Clean opal with a soft damp cloth only; no soaking
  • Remove before swimming, showering, or applying perfume and lotions
  • Sterling silver option: Polish periodically with a silver cloth; store in a sealed anti-tarnish pouch
  • Store in a padded box separately from harder stones

Returns & Exchanges

  • Contact us within 2 weeks of delivery
  • Ship back within 3 weeks
  • Cancellations accepted within 24 hours, no fees

Frequently Asked Questions

  • Are the opals natural or lab-created? Lab-created opal — same composition (hydrated silica) and optical properties (play-of-colour) as natural opal; ethical and conflict-free. Lab-created opal has the same Mohs hardness and care requirements as natural opal.
  • What is the difference between black opal and white opal? Body tone: black opal has a dark base (high contrast with play-of-colour, vivid spectral flashes); white opal has a pale base (softer, more diffuse iridescence). Both are on the same ring in this design.
  • Can I rotate the ring to show either colour? Yes — because the band is not locked in orientation on the finger, you can rotate it to show whichever half you prefer facing up.
  • Can I get all black opals or all white opals? Yes — message us before ordering to customise the stone arrangement.
  • Is opal the October birthstone? Yes — opal is the traditional October birthstone.
  • Can I get a custom size? Yes — message us before ordering if you need a half, quarter, or unlisted size.

Packaging

Arrives in an eco-friendly jewelry gift box, shipped in a padded mailer — ready to gift. Tracking confirmation sent at shipment.

All gemstones quality-tested. Handmade in Jaipur, India.

          

Lifetime Warranty

Fine jewelry is a big investment ,We will be responsible for every ring we make,

  1. 100 days Free Warranty service. 1 year free tiny stone sending service. Even your order over 1 year, you can also contact with us at any time, we are responsible for our customers all the time
  2. 30 Days Free Return . Returns & exchanges accepted

Sustainability

All our stones and materials are sourced responsibly and eco-friendly

Free Insured Shipping

We ship to all over the world and buy insurance for each order to ensure the safe delivery of your parcel.

For any kind of requests or queries please do not hesitate to contact us, we will try my best to help you! :)

PLEASE choose sterling silver or platinum metal if you are allergic to nickel !

By the way, our 10k/14k/18k solid gold pieces are made to last forever. They will not oxidize or discolor, so you can wear your jewelry every day.

About metal:Please don't worry, Our solid gold pieces are made to last forever. They won't oxidize, won't tarnish or discolor,

About the gemstone:Keeping this gemstones gleaming for years to come is easy, there are a few things you can do:

You should always keep your gemstone jewelry away from harsh cleaning solutions and chemicals, heat sources, moisture, and abrasive cleaning methods. Sulfur, strong chemicals, chlorine, sweat/perspiration, and harsh sunlight can increase the likelihood that a gemstone jewelry piece will tarnish. It's best to keep your jewelry away from these things as much as possible. This means that you should attempt to do the following:

Don't wear your gemstone ring in the pool, hot tub, or sauna.

Remove your gemstone ring before exercising or playing sports.

Remove jewelry before working with chemicals (such as when doing household chores or yard work) or cooking with foods that contain sulfur, such as eggs and mayonnaise.

Don't Forget The Jeweler:Do you have a jewelry piece that you want restored or cleaned, but are afraid of damaging it at home? Visit your local jeweler. They can make recommendations or clean the piece for you with special tools.

Conclusion:Keeping this gemstones gleaming is easy! Wash your jewelry with warm soapy water and a soft-bristled brush, like a toothbrush. Pat dry using a soft microfiber cloth and store your jewelry in a safe, dry place when it’s not being worn.

minimalatelier specialize in custom engagement rings, wedding rings, pendant and top quality gemstones. We focus on minimalist design and simplicity. All items belong to handcrafted, create each unique ring for our customer's special occasions. From now on, take the stress out of your special occasion by leaving the hard work to us, so you can cheris every moment!

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