Updated October 2026. A certificate is useful only if you understand exactly what was examined and what conclusions the laboratory issued. GJSPC publishes different services for gemstone identification with treatment disclosure, gemstone grading and geographic-origin opinions. These are not interchangeable.
1. Identification with treatment disclosure
A gemstone identification report addresses the identity of the submitted material and detectable treatments. It helps distinguish, for instance, a natural mineral from a glass imitation or another stone sold under an imprecise trade name. It does not automatically provide a premium colour or clarity grade, nor is it a promise that every future piece from the same seller matches the sample.
GJSPC describes identification and treatment disclosure for loose or mounted colour stones. Read the exact remarks printed on the issued report: ‘no indications detected’ differs from a claim that a mineral could never have been treated.
2. Grading: quality description, not merely identity
A grading report may go further, describing characteristics such as colour, clarity, cut and weight for the service and material concerned. GJSPC lists gemstone grading as a separate offering. Ask what grading system was used, whether the report covers a loose stone or a mounted object, and whether inclusions or mounting limit the examination. A coloured-gemstone grade is not the same thing as a universal market price.
3. Geographic origin is a qualified opinion
Origin analysis attempts to assess where a natural stone formed. GJSPC says its origin service is available for specified categories, including certain ruby, sapphire, emerald, Paraíba tourmaline and red spinel specimens. The lab describes geographic origin as an opinion of its gemologists at the time of issue. Origin should therefore not be inferred from every identification certificate, or described as an infallible finding.
4. What changes when the item is a mixed-stone bracelet?
A custom bracelet can contain multiple mineral species, decorative beads and metal fittings. The buyer needs to know whether the report describes the complete finished bracelet, selected bead samples or individual stones. Check whether the image matches the bracelet, which mineral names appear, what weight and measurements are recorded, and whether any limitations or treatment notes are stated. A photograph of a sample report on a sales page is not a report for your particular order.
5. Check the report online
- Find the report number on the physical or electronic document.
- Open the GJSPC report-check page independently, rather than relying on a seller’s screenshot.
- Compare the retrieved entry with your item’s image, description, weight, measurement and treatment remarks, when those fields are given.
- If the search fails or a material differs, ask the laboratory and seller for clarification before drawing conclusions.
A laboratory number should be checked against the issuing laboratory’s actual database. Read our step-by-step report verification guide for the wider process.
6. A practical purchasing example
GemKrishna India’s custom bracelet builder advertises a GJSPC report with an individual identification number included in the configuration price. That makes report verification a relevant part of the buying decision. Buyers should still check the finished item’s matching report and any treatments declared; neither the seller’s statement nor a lab’s name alone proves that every bead is the highest commercial grade.
What the laboratory does not certify
A gemological report is not evidence that a stone cures illness, guarantees prosperity, fixes relationships or produces a measurable astrological effect. It also does not automatically constitute a warranty, insurance valuation or refund guarantee. Keep those claims separate from the scientific identification of materials.
Sources and related reading
Primary references: GJSPC gemstone testing services, GJSPC origin service, and GIA introduction to gemstone treatments. For shopping comparisons, see our gemstone buying guide and custom bracelet documentation comparison.
