Quality of SUWA Rubies

Quality of SUWA Rubies

SUWA rubies are highly transparent and beautiful, defect-free heat-treated Gem Quality stones from Myanmar (90%) and Mozambique (10%). The color is close to a nearly pure red with no orange or purplish tones, and when combined, they give off a beautiful, unified presence.

For small-sized rubies, SUWA uses Gem Quality material with Tones of 4 to 5 and Beauty Grades of S to A.

Quality Scale for small rubies

Quality Scale for small rubies

Relative polished quantity by quality level
(less than 1-carat size)

Rubies / less than 1-carat size

Nearly Pure, Beautiful Red Color

The color “red” varies widely, and includes red colors with overtones of pink, purple, and orange. The rubies used by SUWA are carefully selected for a “nearly pure” red that is as free as possible from modifying hues.

Differences in Rubies by Source
(This video will be uploaded soon.)

Highly Transparent, With No Surface Fractures

SUWA only uses rubies that are beautiful and transparent, and without inclusions that can threaten their durability.

Rubies That SUWA Does Not Purchase
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The Rarity of SUWA Quality

The number of rubies that meet SUWA’s quality standards is decreasing each year.

Relative Availability of SUWA Quality
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Ruby Jewelry

Matching & Combining
Colored Stones

Matching & Combining
Quality of SUWA Sapphires
Colored Stones

Quality of SUWA Sapphires