Pigeon Blood Lab-Grown Ruby · Round Brilliant · Czochralski

Pigeon Blood is not a marketing term — it is the rarest color classification in ruby gemology, defined by a precise combination of vivid red hue and a distinctive blue fluorescence visible only under natural light.

Most affordable lab-grown rubies on the market are produced via flame fusion — a fast, inexpensive process that results in stones with subtle structural differences from natural corundum, often visible under magnification.

Every ruby at Lumara Studio is grown using the Czochralski (Pulling) method — the same crystal growth technique used in precision optical and semiconductor industries. The slower growth rate produces a crystal lattice virtually identical to natural ruby, with the clarity, color depth, and light performance that flame-fusion stones cannot replicate.

Species         Lab-Grown Corundum (Ruby)
Color Grade     Pigeon Blood (Vivid Red + Blue Fluorescence)
Growth Method   Czochralski (Pulling Method)

Clarity         VVS–VS
Treatment       None / Unheated
Certificate     AGL (American Gemological Laboratories) — available upon request