Ruby

Ruby is the red variety of corundum and among the rarest and most valuable of all colored gemstones. Its value comes not simply from being red, but from the balance of color, brightness, transparency, size, treatment and origin.

Every ruby below has been selected for the quality of its color first. Weight, origin and treatment history are disclosed on each listing.

Read our full ruby guide →
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  • 1.40 ct heated natural ruby from Vietnam, cushion mixed cut, face-up view

    1.40 ct Vietnamese Ruby — GIA Origin Report

    1.40 ct Vietnamese Ruby — GIA Origin Report
    $2,400.00
  • 1.15 ct natural Sri Lankan ruby, face-up view showing vivid pinkish red color

    1.15 ct Natural Pinkish Red Ruby from Sri Lanka — Dual Certified

    1.15 ct Natural Pinkish Red Ruby from Sri Lanka — Dual Certified
    $2,250.00
  • 1.00 ct unheated natural ruby, oval mixed cut, alternate face-up view, Otzera OTZ-2026-01655

    1.00 ct Unheated Natural Ruby

    1.00 ct Unheated Natural Ruby
    $1,600.00