INC RARE
Back to Collections
Terra Signature Stone
Origin: Sri Lanka (Ceylon)Unheated
Thumbnail 1
Thumbnail 2
Thumbnail 3
Thumbnail 4

Natural Geological Imperfections

Two-Phase Inclusions: Rare two-phase inclusions containing both liquid and gas — a prehistoric bubble of earth's ancient atmosphere sealed forever in sapphire.

Sapphire

Terra Signature Stone

$650USD · Free Insured Global Shipping
Carat Weight2.10 ct
Dimensions7.9 × 6.5 × 4.5 mm
Inclusion PatternTwo-Phase Inclusions
Clarity RankModerately Included
Lab CertificateNGJA Verified
Thermal StateUnheated

This sapphire represents a pristine slice of tectonic history. Retaining its micrographic inclusions proof, this stone is completely unheated and natural—an heirloom item of rising rarity.

Secured Payment Route:Payoneer Premium Wire Transfer

Direct Gemologist Enquiry

TECTONIC BIOGRAPHY

The Story of its 550 Million Year Journey

Phase I · Metamorphic Cradle

Precambrian Crystallization

Deep inside the metamorphic belts of Ceylon, at temperatures exceeding 750°C and crustal pressures up to 8 kilobars, aluminum and oxygen atoms locked in a perfect geometric grid. It is here that corundum was born.

Phase II · Tectonic Signatures

Inclusion Mapping

As the sapphire crystal grew slowly over millennia, trace minerals like rutile crystallized inside. These delicate titanium dioxide needles arranged themselves in intersecting angles parallel to the crystal face. This created the stunning Two-Phase Inclusions layout.

Phase III · Earthly Rise

Alluvial Deposition

Millions of years of tectonic upheaval, glaciation, and monsoon weathering slowly washed these gemstones from the mountains into the alluvial gravels of Ratnapura, Sri Lanka. Here, they were preserved in gravel beds (called *illam*) until extracted by local artisanal miners.

IncRare Verdict

One of One Art

This stone contains two-phase inclusions — micro-cavities filled with ancient liquid and gas bubbles from the Precambrian era. You are holding a piece of Earth's primordial atmosphere.

OFFICIAL REPORT

Certified Micrographic Fingerprint

Every stone is analyzed and cataloged by Sri Lanka's apex certification bodies. The exact internal mapping is recorded.

IncRare Sri Lanka

NGJA REPORT

National Gemological Authentication Board

REPORT NO:#EP-005-NGJA-2026
SpeciesNatural Corundum
VarietyNatural Sapphire
Weight2.10 ct
Measurements7.9 × 6.5 × 4.5 mm
Shape & CutCushion Cut
TreatmentUnheated
Inclusion Micrographic SignatureRare two-phase inclusions containing both liquid and gas — a prehistoric bubble of earth's ancient atmosphere sealed forever in sapphire.
Authenticated SignatureG. R. GunawardenaChief Assayer
GENUINE ORIGINAL