Every Riyanika Jewels diamond is independently certified. GIA for natural diamonds. IGI for lab-grown diamonds. Certificates ship with your piece and are stored in your order records.
Why Certification Matters
- Confirms the diamond is natural or lab-grown as stated.
- Documents the 4Cs with standardized methods.
- Details cut proportions, finish, and any treatments.
- Enables transparent comparisons and fair pricing.
- Protects resale and insurance value.
Sample Reports from Our Stones
Below are three real grading reports from diamonds in our current collection. Click any cover to view the full PDF report.
GIA Certification — Natural Diamond Jewelry
All natural diamond solitaires and center stones are graded by the Gemological Institute of America (GIA).
What a GIA Report Includes
- Identification: Natural origin confirmation.
- 4Cs Grading: Carat weight; Color (D–Z); Clarity (FL–I3); Cut grade (for round brilliants).
- Proportions: Table, depth, crown/pavilion angles, girdle, culet.
- Finish: Polish and symmetry grades.
- Fluorescence: Intensity and color, if present.
- Plot/Diagram: Internal and external characteristics where applicable.
- Inscription: Many stones carry a laser-inscribed GIA report number on the girdle.
IGI Certification — Lab-Grown Diamond Jewelry
What an IGI Report Includes
- Identification: Laboratory-grown origin confirmation (CVD/HPHT noted when available).
- 4Cs Grading: Carat, Color, Clarity, Cut (for rounds).
- Measurements & Proportions: Full geometry for performance evaluation.
- Finish: Polish and symmetry.
- Fluorescence: Noted by intensity.
- Inscription: IGI report number and "LABGROWN" (or equivalent) typically laser-inscribed.
Gold Certification
All our jewelry is crafted in 18K Solid Gold and comes with the official government-recognized certification that guarantees the purity and authenticity of gold. This ensures that every piece you own is not only elegant but also genuine in its gold quality.
Lab Grown Solitaire Jewelry
Our lab-grown diamond jewelry is certified by the International Gemological Institute (IGI). Each certificate verifies the diamond's authenticity, along with detailed grading of cut, clarity, color, and carat weight — ensuring you receive a diamond of the highest standard.
Gemstone Jewelry
Every gemstone piece is accompanied by a detailed Gemologist Report, offering an in-depth analysis of the stone's unique characteristics.
Optional Certification
Customers may also request certification from globally recognized institutions such as IGI or GIA. Please note that this service requires an additional fee and may take 30–40 days for processing.
GIA certificates are provided for natural diamonds from 0.50 ct, and IGI certificates for lab-grown diamonds from 1.00 ct. For smaller stones, certification is optional. We're happy to arrange it on request for a small additional cost.
Have questions? We're here to help.
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