Deep Blue to Yellow Sapphire Rough - 3,925 ct (R11) - Sold in 5g units

Sold in 5g units -> Quantity 1 = 5 grams

Natural Blue Sapphire rough (Corundum) in deep blue tones. Some stones of this lot featuring yellow tones.
Part of our in-house rough gemstone inventory in Thailand – untreated, cleaned, and photographed by our team.
Ideal for lapidary work, collections or creative jewelry projects.

✦ Details:

• Identification: Natural Sapphire (Corundum)
• Cut: Rough / Uncut
• Shape: Natural, irregular
• Color: Deep blue and yellow tones in some of the stones
• Transparency: Opaque
• Treatment: None - untreated
• Origin: Thailand
• Size range (approx. in length x width):
  • smallest stones ca. 6 × 9 mm 
  • largest stones ca. 15 × 20 mm
• Total lot weight as shown: 785 g (~3,925 ct)
  
  

✦ Flexible purchase options:

Sold in 5g units.
Minimum order: 5 g.

If you’d like to request a specific selection from this material or inquire about larger quantities, simply click the "Request specific quantities" button. We’re happy to assist and may also have additional stock available.

✦ What you see is what you get

The stones shown are the exact material from which your selected quantity will be weighed.

Each order is carefully portioned from this lot.
In case of slight weight variations due to stone size, we always round up.

Each lot is part of our in-house rough gemstone inventory in Thailand and is cleaned, lightly oiled (if applicable) and photographed by our team.

✦ Important notes for rough gemstones

As with all natural rough gemstones, variations in color, shape and internal structure are normal.
Natural fractures and inclusions are part of the material.
Cutting yield and final results depend on the individual stone and cannot be guaranteed.

✦ Certification for rough lots

If laboratory certification is requested for material from this lot, one representative stone from the ordered parcel will be submitted for examination. Laboratory reports are issued per individual stone; rough material may require a small polished window to allow proper gemological testing.