Trust Should Never Be Based on Opinion Alone
When acquiring an investment-quality colored Gemstone, confidence comes from two sources:
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Independent laboratory certification.
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Independent professional guidance.
As a GIA Graduate Gemologist (GG) with more than 32 years of international colored gemstone experience, I believe every significant Gemstone purchase should be supported by internationally respected gemological laboratories whenever appropriate.
Certification provides independent documentation.
Experience helps you understand what that documentation actually means.
Together, they allow you to make informed decisions with confidence.
At a Glance
Before making an important Gemstone acquisition, it's helpful to understand what this service provides.
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Independent laboratory certification from internationally respected gemological laboratories
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Guidance from Joseph Schall, GIA Graduate Gemologist (GG) with 32+ years of international experience
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Professional interpretation of laboratory reports
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Advice on when additional certification may be beneficial
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Support with treatment, origin, and verification questions
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Independent recommendations based on your interests—not inventory ownership
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30-Day Money-Back Guarantee on qualifying purchases
Why This Service Exists
Beautiful Gemstones can appear remarkably similar.
Their value, however, may differ dramatically because of:
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Treatment.
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Origin.
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Color quality.
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Clarity.
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Cutting.
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Rarity.
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Laboratory findings.
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Market demand.
Without independent verification, important purchasing decisions become far more difficult.
My role is to help you understand both the Gemstone and the documentation supporting it.
Why Independent Certification Became Essential
Several decades ago, buyers often relied almost entirely on the opinions of dealers when purchasing important Gemstones. As the international colored gemstone market evolved and collectors began making increasingly significant acquisitions, independent gemological laboratories became an essential part of the buying process.
Today, internationally respected laboratory reports provide objective documentation that supports transparency, strengthens buyer confidence, and helps establish internationally recognized standards. While independent certification has become an invaluable part of modern Gemstone acquisition, it works best when combined with experienced professional guidance.
Why Independent Certification Matters
International laboratory reports help verify important characteristics that influence value.
Certification can provide information regarding:
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Natural origin.
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Treatment status.
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Geographic origin, when determinable, which may influence collector interest, rarity, and market desirability for certain Gemstones.
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Weight and measurements.
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Identification of the Gemstone.
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Additional gemological observations.
This independent documentation provides an additional level of confidence for both current ownership and future resale.
Internationally Respected Laboratories
Clients occasionally ask why several internationally respected laboratories exist rather than a single worldwide authority. The answer is that different laboratories have developed particular areas of expertise over many decades. Some are especially respected for geographic origin determination, while others are recognized for treatment analysis or particular Gemstone varieties. Rather than automatically recommending one laboratory, I recommend the laboratory that is most appropriate for the specific Gemstone being evaluated.
Depending on the Gemstone, certification may be obtained from internationally recognized laboratories including:
Each laboratory has earned an international reputation for professionalism and independent analysis.
When appropriate, I'll recommend the laboratory best suited for the particular Gemstone being evaluated.
Why Certification Alone Isn't Enough
A laboratory report is an essential part of the buying process.
It is not the entire buying process.
Throughout my career, I've seen Gemstones that appeared almost identical at first glance, yet laboratory findings regarding treatment significantly influenced their rarity, desirability, and market value. I've also seen Gemstones with very similar laboratory reports where one was clearly more beautiful when viewed in person. Those experiences have reinforced something I've always believed: certification is essential, but it should always be considered alongside careful comparison and independent professional judgment.
A certificate cannot tell you:
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Whether the asking price represents exceptional value.
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How one Gemstone compares with another viewed the same day.
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Whether a different stone offers greater beauty for similar money.
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Whether patience may lead to a better opportunity.
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Which Gemstone is the strongest overall acquisition.
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Why one Gemstone may appear significantly more beautiful than another with similar laboratory findings.
Two Gemstones can receive remarkably similar laboratory reports while looking dramatically different when viewed side by side. Laboratory reports document measurable characteristics, but they cannot compare beauty, brilliance, or visual appeal. Those qualities are best evaluated through direct comparison and years of practical experience.
Those decisions come from experience, comparison, and independent guidance.
That's why certification and professional evaluation should always work together.
Our Verification Process
Step 1
Identify an exceptional Gemstone through private comparison.
Step 2
Review any existing laboratory documentation.
Step 3
Determine whether additional certification or verification would benefit the client.
Step 4
When appropriate, submit the Gemstone to an internationally respected laboratory.
Step 5
Review the completed laboratory report together.
Every laboratory report is reviewed together so you understand not only what the report says, but why it matters. Technical terminology can often be confusing for buyers, so I explain the findings in straightforward language and how they relate to beauty, rarity, market value, and your overall purchasing decision.
Step 6
Proceed only when you are completely comfortable with both the Gemstone and its documentation.
When Multiple Laboratory Reports Make Sense
Not every investment-quality Gemstone requires reports from multiple laboratories. In many cases, a single report from an internationally respected gemological laboratory provides the documentation needed to support an informed purchase. However, there are situations where obtaining an additional independent opinion can provide valuable reassurance and strengthen long-term confidence.
I may recommend more than one laboratory report when:
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The Gemstone represents a significant financial investment.
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Geographic origin has a substantial influence on rarity or collector demand.
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Treatment findings could materially affect market value.
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Additional documentation may strengthen future resale, insurance, or family inheritance.
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You simply want greater confidence before completing an important acquisition.
Every recommendation is based on the individual Gemstone rather than following a standard formula. The objective is to obtain meaningful documentation that supports informed decision-making—not unnecessary paperwork.
Our Commitment to Independent Verification
Because I do not own the inventory you are considering, I have no incentive to minimize concerns or overlook potential issues.
My responsibility is to help you understand exactly what you are buying.
That includes discussing:
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Strengths.
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Limitations.
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Treatment.
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Certification.
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Market value.
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Long-term considerations.
If additional verification is appropriate, I'll recommend it.
If I believe a Gemstone does not represent exceptional value, I'll tell you.
One Observation From More Than Three Decades in the Trade
One of the most common mistakes I've seen is buyers focusing almost entirely on the laboratory certificate while paying too little attention to the Gemstone itself. A certificate is an invaluable tool, but it should never replace careful comparison or independent professional judgment. The strongest buying decisions are made when scientific documentation and firsthand evaluation work together.
Certification Beyond the Initial Purchase
Independent laboratory reports continue providing value long after a Gemstone has been purchased. They may assist with insurance documentation, future resale, estate planning, and passing important Gemstones from one generation to the next. Proper documentation helps preserve confidence in the Gemstone throughout its lifetime, not simply on the day it is acquired.
The 30-Day Money-Back Guarantee
Confidence should continue well after your Gemstone arrives home. That's why every qualifying purchase through Gemstone Safari includes a 30-day money-back guarantee. I believe important Gemstone acquisitions should be supported by transparency, independent guidance, and sufficient time for thoughtful consideration. The guarantee reflects my commitment to helping clients make important purchasing decisions with confidence rather than uncertainty.
Frequently Asked Questions
Which gemstone certification laboratory is the best?
There isn't a single laboratory that is best for every Gemstone. Internationally respected laboratories such as GIA, AGL, GRS, Gübelin, and SSEF each have particular strengths depending on the Gemstone and the information being verified. Joseph recommends the laboratory best suited to your specific acquisition, ensuring the certification provides meaningful value rather than unnecessary documentation. If you're unsure which laboratory is appropriate, Joseph can guide you through the options during your consultation.
Does every important Gemstone need laboratory certification?
Yes. For investment-quality colored Gemstones, independent laboratory certification is strongly recommended because it provides objective documentation of the Gemstone's identity, treatments, and other important characteristics. Certification increases transparency, supports buyer confidence, and provides valuable documentation for insurance, future resale, and inheritance. Every qualifying Gemstone Safari acquisition is reviewed with certification in mind to help you purchase with confidence.
Why do some Gemstones have more than one laboratory report?
Some exceptional Gemstones benefit from multiple independent laboratory reports, particularly when geographic origin, treatment status, or rarity significantly affects value. Additional reports can strengthen buyer confidence and provide broader documentation recognized throughout the international Gemstone trade. Joseph only recommends multiple reports when they offer genuine value for the individual Gemstone rather than creating unnecessary expense.
Can laboratory certification guarantee a Gemstone's value?
No. Laboratory certification confirms measurable gemological characteristics, but it does not determine market value or future appreciation. Factors such as beauty, rarity, demand, craftsmanship, and current market conditions all influence value. This is why certification should always be combined with experienced professional guidance and careful comparison before making an important purchase.
Does gemstone certification improve resale value?
Certification does not automatically increase a Gemstone's value, but it can improve buyer confidence by providing independent documentation of important characteristics. Well-documented Gemstones are often easier to insure, resell, or pass to future generations because prospective buyers have trusted information supporting the acquisition. Proper certification contributes to stronger provenance over the long term.
How long is a gemstone certification report valid?
A laboratory report does not usually expire because it documents the Gemstone's characteristics at the time of examination. However, if a Gemstone is recut, damaged, repaired, or receives additional treatment after certification, an updated report may be appropriate. Joseph will advise whether new laboratory documentation is beneficial based on your specific circumstances.
Can different laboratories reach different conclusions?
Yes, although internationally respected laboratories generally agree on a Gemstone's identity, minor differences in interpretation can occasionally occur, particularly regarding geographic origin or certain treatments. Each laboratory uses its own expertise, research, and testing methods. Joseph helps clients understand these differences and recommends the laboratory most appropriate for the Gemstone being evaluated.
Will Joseph explain my laboratory report?
Absolutely. Laboratory reports often contain technical terminology that can be difficult for non-specialists to interpret. Joseph personally reviews every report with clients, explaining what each finding means, how it relates to the Gemstone's quality and market value, and whether any additional verification is worthwhile. The goal is not simply to provide a report—it is to ensure you fully understand it.
Can I request additional laboratory testing before purchasing a Gemstone?
Yes. If additional independent verification would provide greater confidence, Joseph can recommend further laboratory testing before a purchase is completed. Whether an extra report is worthwhile depends on the Gemstone, its rarity, and the questions that need to be answered. This independent approach helps ensure every important decision is supported by both science and experience.
Why is independent professional guidance just as important as certification?
A laboratory report documents facts, but it cannot compare beauty, assess market value, or tell you whether one Gemstone represents a better opportunity than another. Independent professional guidance helps interpret laboratory findings in the context of rarity, quality, and today's market. Together, certification and experience provide a stronger foundation for making informed purchasing decisions.
Confidence Begins with Independent Advice
Acquiring an exceptional Gemstone is one of the most important purchasing decisions many collectors will ever make. Independent laboratory certification provides scientific documentation, while experienced guidance helps you understand how that information relates to beauty, rarity, market value, and long-term ownership.
If you're considering an important Gemstone acquisition, I'd be pleased to discuss the certification process, explain how laboratory reports support informed decision-making, and help you evaluate the options best suited to your goals.
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The Gemstone Safari Philosophy
International laboratory certification provides objective scientific documentation.
Independent guidance provides practical judgment gained through more than three decades of experience.
Certificates document important facts.
Experience helps interpret those facts.
When those two principles work together, clients are able to make important Gemstone acquisitions with clarity, confidence, and peace of mind.
That has remained my philosophy throughout my career in the international colored Gemstone trade.