Solitaire Lab Diamond
How important is GCAL 8X®?
Two diamonds with the same carat weight, color grade, and clarity grade can look noticeably different in person.
What is GCAL 8X® cut? | Ultimate diamond cut grade
GCAL 8X® is GCAL by Sarine's proprietary diamond cut-grading system.
Why GCAL certification matters for diamonds
Diamond grading reports give jewelers, retailers, designers, and other trade buyers an independent record of a stone’s key characteristics, including cut, color, clarity, and carat weight.
What is GCAL certification? A diamond certification guide
GCAL (Gem Certification & Assurance Lab), now GCAL by Sarine, provides independent grading services for natural and laboratory-grown diamonds.






















