WE ARE HIRING | Color Stone Grader
We are hiring an experienced Color Stone Grader to evaluate and grade colored gemstones based on color, clarity, cut, carat weight, transparency, origin characteristics and overall quality.
Location: Jaipur City Office, Jaipur – Sitapura Office & Kolkata
Experience: 4–9 Years
Budget: As per Industry Standards
Interview Mode: Face-to-Face Only
Work Mode: On-site
Key Responsibilities
Inspect and grade colored gemstones according to established quality standards
Evaluate color, hue, tone, saturation, clarity, cut, polish, symmetry and transparency
Identify gemstones such as Ruby, Sapphire, Emerald, Amethyst, Topaz, Tourmaline, Garnet, Tanzanite and Aquamarine
Detect visible inclusions, fractures, treatments and other quality characteristics
Identify signs of heat treatment, filling, dyeing, irradiation, diffusion and other enhancements
Assess gemstones under appropriate lighting and magnification




Sort and categorize stones based on quality, size, color and commercial value
Maintain accurate grading records and documentation
Coordinate with Production, Quality Control, Purchase and Sales teams
Ensure grading consistency and adherence to company quality standards
Handle gemstones carefully and follow proper security procedures
Required Skills
Strong knowledge of colored gemstones and their characteristics
Experience in colored stone grading / gemstone sorting
Good visual observation and color differentiation skills
Knowledge of gemstone treatments, imitations and synthetics
Familiarity with loupe, microscope, refractometer, polariscope and dichroscope
Solid attention to detail and accuracy
Ability to perform repetitive grading and sorting tasks
Good communication and documentation skills

📌 Color Stone Grader (Jaipur)
🏢 Vrinda International
📍 Jaipur