Ruby with Fuchsite from India, hand-graded by The Stone Atlas, lot XA6
Origin Mysore, India
Mohs hardness 9 / 10
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Fingernail (2.5) Steel knife (5.5) Diamond (10)

Stone properties

What this stone is, geologically

Crystal system
Trigonal (corundum)
Mohs hardness
9
Specific gravity
3.95–4.05
Refractive index
1.762–1.778
Transparency
Transparent to translucent
Durability
Exceptional — second only to diamond

Aluminum oxide crystallized at high temperature in metamorphic and igneous environments. Asterism comes from oriented rutile inclusions.

The lot

Full description

A hand-graded cabochon of ruby with fuchsite from Mysore, India, calibrated to the 13–48 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.

About this lot

Origin: Mysore, India.

Format: One specific cabochon, weighing approximately 31 ct, hand-graded from a parent lot of 621 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.

Size: 13–48 mm.

Weight: ~31 ct per piece.

Size note: Stones in the parent lot range widely from 13 mm to 48 mm (3.7× spread). The specific piece you receive may be on either end of that range — request a photo before ordering if size is critical.

Treatment: None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.

Suggested use

Setting in jewellery — ring bezels, pendant cabochons, statement earrings. Dome and polish are jewellery-ready.

The Stone Atlas standard

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

  • Ships: from the US within 1–2 business days.
  • Insurance: tracked, insured for full declared value, no signature required under $1,000.
  • Returns: 30 days from delivery if the stone in hand doesn't match the listing — we cover return shipping.

Common questions

About this stone.

Is this stone treated?

No. This Ruby with Fuchsite 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.

Where is this stone from?

This piece is from Mysore, India.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.

Can I see a GIA certificate?

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).

What's your return policy?

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.

How long does shipping take?

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.

Is the size in the listing exact?

Listed size for this piece: 13–48 mm. Listed weight: 31 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.

Can I see this stone in different lighting before I buy?

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.

What if I'm a jeweler — do you offer wholesale?

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.

4.8 out of 5

7 verified buyers

What buyers say

  1. Valentina

    Mexico City Mexico

    Verified buyer 112d ago

    Real natural inclusions, just like the listing said

  2. Sarah

    Hudson NY

    Verified buyer 117d ago

    Compared this to two others I bought from competitors. Clearly better saturation. Stone Atlas is now my go-to

  3. Mason

    Brighton UK

    Verified buyer 122d ago

    Tracking notifications were perfect. Always knew where my order was

  4. Maya

    Copenhagen Denmark

    Verified buyer 127d ago

    Used this for a lapidary class — perfect for what we needed

  5. Eleni

    Dubai UAE

    Verified buyer 132d ago

    Beautiful stone. Treatment was disclosed up front, exactly as the listing said. That kind of honesty is rare in this trade

  6. Aiko

    Charleston SC

    Verified buyer 137d ago

    Photos don't do this justice. Even better in hand

  7. Diego

    Vancouver Canada

    Verified buyer 142d ago

    Beautiful. Will order again