SUWA blue sapphires are highly transparent, beautiful and flawless gem quality. The color is a brilliant blue with less gray and green tones, and when combined, they create a noble, unified beauty. The sapphires are carefully selected from stones from various sources including Cambodia, Sri Lanka, Madagascar.
For small-sized sapphires, SUWA uses Gem Quality material with Tones of 4 to 5 and Beauty Grades of S to A.
Quality Scale for small sapphires
Relative polished quantity by quality level
(less than 1-carat size)
Fabrication of jewelry is based on an understanding of the character of sapphires from different sources.
Differences in Sapphires by Source
(This video will be uploaded soon.)
SUWA uses highly transparent stones with no surface fractures. In addition, sapphires require especially careful consideration for uneven color and color banding.
Sapphires That SUWA Does Not Purchase
(This video will be uploaded soon.)
To minimize weight loss, cutters polish thick rough into deep stones. Since deep stones cannot be made into attractive jewelry, these are rejected by SUWA.
Beware of Deep Stones
(This video will be uploaded soon.)
