That is why diamonds continue to be so sought after and although there are today many deposits that produce millions of gem quality diamonds, such as Russia, Botswana and Canada; we all know that none of the deposits are endless and supply is bound to decrease over time.

Furthermore, it is known that only 20% of the world’s production of diamonds is used in jewelry, the other 80% is used for industrial purposes of all sorts. Making gem quality diamonds even more attractive to potential investors.

You need to know that diamonds do have the potential of being a hedge against inflation, against market and currency crashes. It has been proven throughout time, that diamonds can even become a form of insurance, just like gold is.

Investing in diamonds is the perfect alternative should you be interested in diversifying your portfolio. Diamonds can be considered unbreakable assets with a unique identity, that can be tested and easily verified, thereby giving maximum security to the owner. Furthermore, diamonds are natural elements that do not lose their intrinsic substance value over time.

BAUNAT is the worldwide reference for diamond related purchases & investments. Their team of experts is at your disposal to answer any question related to diamonds, their origin, the supply chain and the BAUNAT diamond investment proposition.

Certification is the practical backbone of any serious diamond investment. Independent laboratory reports record a stone’s measurable features and provide third-party assurance that supports valuation, marketability and buyer confidence. The best-known independent labs include the Gemological Institute of America (GIA), the International Gemological Institute (IGI), the Hoge Raad voor Diamant (HRD) and the Gem Certification & Assurance Lab (GCAL). Each report lists objective data such as carat weight, shape and measurements, plus a plotted clarity map and polish/symmetry notes, all of which let buyers and appraisers confirm that the stone matches its description.

For investors, a certificate answers three practical needs. First, valuation: dealers and auction houses use lab reports to compare like-for-like stones and set prices. Second, liquidity: documented stones trade more readily because buyers can review independent evidence before committing. Third, resale confidence: certificates reduce disputes at resale by supplying an authoritative record that accompanies the diamond.

When you review a certificate, check a few key elements. The report number is the unique identifier to verify on the issuing laboratory’s database. Measurements and the stated carat weight establish whether the stone corresponds to the report. The clarity plot shows the location and type of inclusions and is often decisive for high-grade gems. Red flags include a missing or illegible report number, discrepancies between the stated measurements and the stone on inspection, or a certificate that looks altered or inconsistent with the issuing lab’s format.

Practical guidance for investors: obtain the original lab report or a certified digital copy, and verify the report number on the laboratory’s verification portal before you finalise a purchase. Prefer independent, well-recognised laboratories for investment-grade stones rather than vendor-issued documents. If provenance documentation exists, such as prior invoices or auction records, keep it with the certificate to strengthen future resale. These verification steps increase market confidence and help preserve liquidity when it comes time to sell.

Investing in diamonds requires a clear process from purchase through to eventual sale. The following practical steps are aimed at investors who seek preservation of value and ease of resale.

A. Pre-purchase checklist

• Define your investment objectives and time horizon: capital preservation, medium-term appreciation or portfolio diversification.
• Set target quality thresholds that align with investment intent and Baunat’s quality standards.
• Decide on natural versus other categories: for investment purposes, documented natural stones with independent certification are the norm.

B. Authentication and documentation to insist on

• Always obtain an original laboratory report from a recognised independent lab and verify the report number on the lab’s website.
• Request provenance information and any prior invoices or auction records.
• Ensure serial numbers or laser inscriptions, when present, are recorded in your purchase file.

C. Storage and insurance considerations

• Use professional vaulting solutions for high-value stones rather than domestic safes, and ensure the facility provides chain-of-custody documentation.
• Retain originals and certified copies of all paperwork in a secure, backed-up format.
• Review insurance policies carefully to confirm diamonds are covered for agreed value and that documentation requirements for claims are clear.

D. Exit strategies and selling channels

• Auction houses, specialised dealers and established private marketplaces are typical channels for high-value stones. Each channel has different buyer profiles and documentation expectations.
• Well-documented, independently certified stones will reach more bidders and typically attract stronger competitive bids.
• Prepare a sales packet including the original certificate, provenance statements and professional images or appraisal summaries to present to prospective buyers.

Investor checklist (quick reference)

1. Defined investment objective and time horizon.
2. Purchase only natural stones with independent lab reports.
3. Verify report numbers on the issuing lab’s portal.
4. Keep original certificates, invoices and provenance documents together.
5. Store in professional vaulting with documented chain of custody.
6. Ensure insurance covers agreed value and documentation requirements.
7. Choose selling channels aligned with stone grade and documentation.
8. Prepare a sales packet to maximise buyer confidence and liquidity.

Following these steps reduces transaction friction and positions a diamond for smoother resale when the time comes.

Diamonds have, in certain historical instances, achieved high prices at auction and served as a store of value for collectors and investors. Auction records show that exceptional, well-documented stones can command premiums relative to comparable gemstones. At the same time, the diamond market differs from public markets: there is no single, transparent pricing index that covers all gem-quality stones, and prices vary substantially according to grade, provenance and documentation. Industry and auction records illustrate both peak results for rarities and periods of lower liquidity for more common categories.

Because of this structural opacity, claims that diamonds are a universal hedge against inflation should be framed with caution. Historical examples show that specific high-quality, rare stones have preserved or increased value over time, but past performance does not guarantee future returns. Liquidity and resale outcomes depend heavily on the stone’s certification, condition and the channels chosen for sale. Investors are therefore advised to treat diamonds as a specialised component of a diversified portfolio rather than a broad substitute for liquid assets.

Published auction results and industry reports are useful reference points when assessing historical price behaviour. These sources underline the importance of independent certification and provenance when seeking to maximise resale potential and reduce valuation uncertainty.