Gem Authenticity

Authenticity You Can Trust

At DJRV Gems, we understand that purchasing a natural gemstone is a significant investment. That's why every gemstone in our collection comes with complete transparency and professional certification to guarantee its authenticity. We partner exclusively with internationally recognized gemological laboratories that have established reputations for accuracy, integrity, and scientific rigor.

Our Certification Partners

Each gemstone we offer is certified by one or more of the world's most respected gemological laboratories. Here's what makes each of them exceptional:

IGI (International Gemological Institute)

Founded: 1975 in Antwerp, Belgium
Global Presence: 29 laboratories and schools across major diamond and jewelry centers worldwide

History & Reputation

The International Gemological Institute is one of the oldest and most respected independent gemological laboratories in the world. Established in 1975 in Antwerp—the historic heart of the diamond trade—IGI has grown to become a global authority in gemstone certification. With nearly five decades of experience, IGI has certified millions of diamonds and gemstones, earning trust from retailers, manufacturers, and consumers across six continents.

IGI pioneered many industry standards and was among the first laboratories to issue laser inscription services for diamonds, providing an additional layer of security and traceability. Their reports are recognized and accepted by customs authorities, insurance companies, and jewelry retailers worldwide.

What Makes IGI Credible

International Recognition: IGI certificates are accepted globally by major retailers, auction houses, and financial institutions
Scientific Rigor: Uses state-of-the-art equipment including spectroscopy, microscopy, and advanced imaging technology
Consistent Standards: All IGI laboratories worldwide follow identical grading protocols, ensuring consistency regardless of location
Educational Leadership: IGI School of Gemology trains thousands of gemologists annually, contributing to industry knowledge
Transparency: Detailed reports include high-resolution images, plotting diagrams, and comprehensive gemstone characteristics
Third-Party Verification: Every IGI certificate can be verified online through their official database using the unique report number

IGI's Specialty

IGI is particularly renowned for diamond grading and has become the preferred choice for laboratory-grown diamond certification. However, their colored gemstone division maintains equally rigorous standards, with expertise in sapphires, rubies, emeralds, and other precious stones. IGI reports are especially valued in international trade due to their global acceptance and detailed documentation.

IDI (Indian Diamond Institute)

Founded: 1978 in Surat, Gujarat, India
Affiliation: Established by the Government of Gujarat and supported by the diamond industry

History & Reputation

The Indian Diamond Institute was established in 1978 in Surat, the diamond cutting and polishing capital of the world. Surat processes approximately 90% of the world's diamonds, making IDI uniquely positioned at the epicenter of the global diamond industry. Founded with support from the Government of Gujarat and the diamond trade associations, IDI was created to provide education, research, and certification services to support India's dominant position in the gemstone industry.

Over four decades, IDI has become one of India's most trusted gemological institutions, combining traditional expertise with modern technology. The institute serves not only as a certification laboratory but also as an educational center that has trained thousands of gemologists, diamond graders, and jewelry professionals who now work across the global gem and jewelry industry.

What Makes IDI Credible

Industry Integration: Located in Surat, IDI has direct access to the world's largest diamond processing hub, giving their gemologists exposure to an unparalleled volume and variety of stones
Government Recognition: Backed by the Government of Gujarat, providing institutional credibility and regulatory oversight
Practical Expertise: IDI gemologists examine thousands of stones monthly, developing exceptional practical experience in identifying treatments, enhancements, and natural characteristics
Affordable Excellence: Offers internationally recognized certification at competitive prices, making professional grading accessible to more buyers
Comprehensive Testing: Equipped with advanced gemological instruments including spectroscopes, refractometers, polariscopes, and UV lamps
Local Trust: Highly respected within the Indian market and among Indian diaspora communities worldwide who value its connection to Surat's diamond heritage

IDI's Specialty

IDI excels in the certification of diamonds and colored gemstones commonly traded in the Indian market, including natural sapphires, rubies, emeralds, and semi-precious stones. Their gemologists have particular expertise in identifying heat treatment and other enhancements common in the colored gemstone trade. IDI certificates are especially valued by customers seeking astrological gemstones (Jyotish gems), as the institute understands the specific requirements and cultural significance of these stones in Vedic astrology.

DGLA (Diamond & Gem Laboratory of America)

Focus: Comprehensive gemstone and diamond certification with American standards

History & Reputation

The Diamond & Gem Laboratory of America represents American gemological standards and practices in the certification industry. DGLA has built its reputation on providing detailed, scientifically accurate gemstone reports that meet the expectations of the North American jewelry market. The laboratory combines traditional gemological methods with modern analytical technology to deliver comprehensive assessments.

DGLA has established itself as a reliable alternative to larger laboratories, offering personalized service while maintaining rigorous testing protocols. Their reports are particularly valued by independent jewelers, custom designers, and collectors who appreciate detailed documentation and responsive customer service.

What Makes DGLA Credible

Detailed Reporting: DGLA certificates include extensive information about gemstone characteristics, with clear explanations accessible to both professionals and consumers
Advanced Equipment: Utilizes modern gemological instruments including spectrometers, microscopes, and other analytical tools to ensure accurate identification
Treatment Disclosure: Emphasizes transparent reporting of any treatments or enhancements, with detailed descriptions of detection methods used
Quality Photography: Reports often include high-quality images of the gemstone, helping customers verify they're receiving the exact stone that was certified
Customer Service: Known for responsive communication and willingness to explain report details to customers
Competitive Pricing: Offers professional certification services at accessible price points without compromising on testing rigor

DGLA's Specialty

DGLA provides comprehensive certification for both diamonds and colored gemstones, with particular attention to treatment detection and origin determination when possible. Their reports are valued for their clarity and educational value, making them excellent choices for customers who want to understand exactly what they're purchasing. DGLA certification is especially appreciated by buyers of colored gemstones who want detailed information about treatments, clarity characteristics, and color grading.

Sample Certificate

Example of an IDI certification report showing detailed gemstone analysis including color, weight, dimensions, cut, origin, and treatment status

What Our Certificates Include

Regardless of which laboratory certifies your gemstone, every certification document provides comprehensive information:

Gemstone Identification: Precise species and variety (e.g., Natural Corundum - Yellow Sapphire)
Carat Weight: Exact weight measured to two decimal places
Dimensions: Length, width, and depth in millimeters
Color Description: Detailed color grading including hue, tone, and saturation
Clarity Grade: Assessment of transparency and inclusion characteristics
Cut and Shape: Cutting style (e.g., cushion, oval, emerald cut) and quality assessment
Origin: Geographic source when determinable through gemological testing
Treatment Status: Complete disclosure of any enhancements (heat treatment, clarity enhancement, etc.)
Unique Certificate Number: For verification and record-keeping
Gemologist Signature: Certified by qualified gemological professionals

100% Natural Gemstones

We deal exclusively in natural gemstones formed by geological processes over millions of years. Every stone in our collection is:

Genuine and Natural: Created by nature, not synthesized in laboratories
Accurately Disclosed: Any treatments or enhancements are clearly stated in the certification—we never misrepresent treatment status
Ethically Sourced: Procured through responsible supply chains that respect both people and the environment
Professionally Evaluated: Graded by certified gemologists using calibrated equipment and standardized methodologies
Properly Documented: Each stone comes with official certification that can be independently verified

How to Verify Your Certificate

Authentication doesn't end with receiving your certificate. Each certificate comes with a unique identification number that can be verified directly with the issuing laboratory:

IGI Verification: Visit igi.org/verify-your-report and enter your report number. The system will display your certificate details and confirm authenticity.
IDI Verification: Contact the Indian Diamond Institute in Surat directly with your certificate number. Their team can confirm the certificate's authenticity and provide additional information if needed.
DGLA Verification: Verification is available through DGLA's official channels. Contact their customer service with your certificate number for confirmation.

We encourage all customers to verify their certificates independently. This additional step provides peace of mind and confirms the authenticity of both the certificate and the gemstone.

Multiple Certification Options

Many of our gemstones are available with your choice of certification laboratory. When viewing a product, you can select your preferred certifying laboratory, with pricing adjusted to reflect the certification cost. This flexibility allows you to choose the certification that best meets your specific needs:

For International Recognition: IGI certification is ideal if you plan to travel with your gemstone, insure it internationally, or potentially resell in global markets
For Value and Local Trust: IDI certification offers excellent credibility within India and among communities familiar with Surat's gemological expertise, often at a more accessible price point
For Detailed Documentation: DGLA certification provides comprehensive reports with extensive detail, perfect for collectors and those who value thorough documentation

Our Authenticity Guarantee

We stand behind every gemstone we sell with complete confidence. If any gemstone is found to be misrepresented based on its certification—whether in terms of species, treatment status, or any other certified characteristic—we offer a full refund within our return policy period, no questions asked.

Your trust is our most valuable asset. We have built our business on integrity, transparency, and the commitment to provide only genuine natural gemstones with honest, accurate certification. This guarantee reflects our confidence in both our sourcing practices and the credibility of our certification partners.

Why Certification Matters

Professional gemological certification protects you in multiple ways:

Authenticity Assurance: Confirms you're purchasing a genuine natural gemstone, not a synthetic or imitation
Treatment Disclosure: Reveals any enhancements, allowing you to make informed decisions
Value Documentation: Provides official documentation for insurance purposes
Resale Confidence: Certified gemstones are easier to resell and command better prices
Quality Verification: Independent assessment of color, clarity, and other value factors
Peace of Mind: Third-party confirmation from experts with no stake in the sale

Questions About Certification?

Our team is here to help you understand your gemstone's certification and answer any questions about authenticity, verification, or the differences between certification laboratories. We can guide you in selecting the right certification for your specific needs, whether you're purchasing for personal jewelry, investment, astrological purposes, or as a collector's item.

Contact us anytime—we're passionate about gemstones and committed to ensuring you have all the information you need to purchase with complete confidence.