Calibrated rubies

Our calibrated rubies are from Burma.

• OV/PS 4x3 - 8x6
• RND/DIA 1.00 - 3.50
• RND/STEP 3.00 - 6.00
• SQ/PR 2.00x2.00 - 3.00x3.00
• SQ/STEP 2.00x2.00 - 4.00x4.00
• OCT 5x3.6x4.7x5
• MQ 4x2 – 8x4