Just sold
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Stone properties
Hydrated silica spheres arranged in lattices that diffract light. Forms slowly at the surface from silica-rich groundwater.
The lot
A hand-graded parcel of cabochons of pink opal from Ica, Peru, calibrated to the 7–15 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.
Origin: Ica, Peru.
Parcel: Minimum guaranteed 10 ct total weight. Each parcel typically contains 2–4 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.
Size: 7–15 mm.
Weight: Minimum 10 ct per parcel (parent lot has 99 ct available).
Size note: Wide size variance — stones range from 7 mm to 15 mm (2.1× spread). Expect a mix of sizes rather than uniform stones. Best for cutters, lapidary projects, or mixed-jewellery use; not ideal if you need matched pairs.
Treatment: None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.
Premium jewellery settings — bezel mounts in 14k or 18k gold, sterling silver collector pieces. Treat with care: not impact-resistant.
Hand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.
Shipping & returns
Common questions
No. This Pink Opal is 100% natural with no heat, diffusion, dyeing, or fracture-filling treatment. We disclose treatment on every listing without exception — when it says "untreated," it is.
This piece is from Ica, Peru.When we know the specific city or mine, we tag it on every listing. When the supplier chain is generalized, we mark it "most likely from" rather than fabricate a precise origin.
Yes. GIA certification is available as a $95 add-on after checkout. Request it once your order ships — we'll send the stone to GIA on your behalf and forward the certificate when it arrives (typically 3–4 weeks).
Every stone comes with a 30-day inspection window. If the stone doesn't match the listing or you simply don't love it, return it within 30 days of delivery for a full refund. We cover return shipping. No restocking fees, no questions.
Orders ship from the US within 1–2 business days. Domestic US delivery is typically 2–5 business days via USPS Priority or UPS Ground, tracked end-to-end and insured for the full declared value. International shipping is available at checkout.
Listed size for this piece: 7–15 mm. Listed weight: 10 ct ct. All sizes and weights are hand-measured. If a stone arrives outside the listed tolerance, return it within 30 days for a full refund.
Yes. Use the "Ask the Atlas desk" button on this page to request additional photos under daylight, lamp light, or any specific condition. We typically reply within one business day with photos attached.
For working jewelers and lapidary studios placing recurring orders, contact us through the Atlas desk to discuss volume pricing. For one-off custom commissions, the listed prices already reflect hand-graded quality at a fair retail tier.
4.9 out of 5
33 verified buyers
What buyers say
Valentina
Reykjavik Iceland
Real natural inclusions, just like the listing said
Sarah
Buenos Aires Argentina
Compared this to two others I bought from competitors. Clearly better saturation. Stone Atlas is now my go-to
Mason
Provincetown MA
Tracking notifications were perfect. Always knew where my order was
Maya
Edinburgh UK
Used this for a lapidary class — perfect for what we needed
Eleni
Stockholm Sweden
Beautiful stone. Treatment was disclosed up front, exactly as the listing said. That kind of honesty is rare in this trade
Aiko
Auckland NZ
Photos don't do this justice. Even better in hand
Diego
Boise ID
Beautiful. Will order again
Adwoa
Toronto Canada
Stone is exactly the size and weight described
Ava
Madrid Spain
Beautiful color in natural light. Lamp light brings out a different character
Wyatt
Bangalore India
Arrived faster than expected, tracked the whole way. The kraft box with the wax seal is a beautiful touch
Pieter
Santa Fe NM
Atlas standard is real. Treatment honesty matters
Giulia
Athens GA
Set this into a pendant for my partner. They love it
Carlos
Zurich Switzerland
Beautiful piece. Couldn't be happier
Kofi
Singapore
The shipping was insured and tracked end-to-end. Felt safe ordering
Ethan
Austin TX
Bought this for a custom ring setting. The depth of color is gorgeous and the size is perfect
Evelyn
Ann Arbor MI
Will be back for more. Quality is consistent
Lukas
Bordeaux France
My third order from the Atlas. Consistency is excellent
Hugo
Prague Czechia
Worth every dollar. Real natural stone, no funny business
Kenji
Mexico City Mexico
Origin was tagged to the city. Appreciate that level of provenance detail
Yasmin
Hudson NY
I've ordered from a lot of online gemstone dealers — this is the first time the stone matched the listing photo
Olivia
Brighton UK
Highly recommend
Henry
Copenhagen Denmark
Smaller than I imagined but quality is high — exactly as listed
Cora
Dubai UAE
Fast shipping, beautiful packaging, accurate listing. What more can you ask
Anja
Charleston SC
Bought as a 10-year anniversary gift. Stunning
Anjali
Vancouver Canada
The 30-day inspection window made me comfortable ordering at this price point. Didn't need to use it
Ahmed
Lisbon Portugal
Exactly what I needed for my project
Marcus
Bangkok Thailand
Working on a custom necklace; this is the centerpiece
Charlotte
Burlington VT
Lovely stone, lovely service. I'll order again
Theo
Iowa City IA
Perfect for a setting I'm working on
Margot
Rome Italy
GIA certificate option was the deciding factor. Beautiful natural stone
Hiroshi
Hong Kong
The provenance information was thorough and honest
Catalina
Brooklyn NY
First gemstone purchase online. Won't be the last
Aisha
Berkeley CA
Real provenance, real disclosure. The Atlas standard is a real standard
Recently viewed
The Atlas standard
Five things we promise on the listing, in the package, and after the sale — every time.
Earth-mined. Never lab-grown, never synthetic, never simulated. The only kind of stone we sell — without exception, since 1995.
Country and city when we know it. “Most likely from” when the chain is generalized. Never invented.
Heat, diffusion, dyeing, fracture-filling — declared on every listing. Or marked untreated, when we can confirm it.
Hold every stone in your own light. Return for any reason, free. No questions, no restocking fee. We pay the shipping.
From the US, end-to-end tracked, fully insured to your door. 1–2 days to pack, 2–5 in transit. GIA certification on request.
Just sold
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