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CIBJO report considers listing gem labs complying with Blue Book Standards

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With less than a month to go before the CIBJO Congress 2025 opens in Paris on 27th October, the seventh pre-congress Special Report has been released by the CIBJO Gemmological Commission, chaired by Hanco Zwaan.

“There have in recent years been concerns expressed about gemstone reports issued by different labs for the same stones, with different and sometime contradictory findings,” said Hanco Zwaan. “This has brought into question the qualifications of the laboratories issuing the reports, taking into consideration that, worldwide, there is very little official oversight as to what are the requirements for an organisation to claim to be a gem testing laboratory.”

Central to the proposed listing would be the CIBJO Gemmological Laboratories Blue Book, which outlines management and technical guidelines for gem labs, aligning with ISO Standard 17025. Other relevant Blue Books cover diamonds, coloured gemstones, pearls, and precious coral.

According to Dr. Zwaan, the system would allow the trade and consumers to clearly identify laboratories that operate with quality management systems and transparency. “The results given in reports often have a significant impact on the value of the item being reported upon,” he explained.

A key document that would have to be applied by listed labs would be the CIBJO Gemmological Laboratories Blue Book, a mammoth opus that is compiled by the Gemmological Commission. Providing guidelines for the management and technical operations of gem labs, it complies with and expands upon ISO Standard 17025, which is the internationally recognised accreditation management systems for testing and calibration laboratories. Also relevant are CIBJO’s Blue Books for diamonds, coloured gemstones, pearls and precious coral.

The Gemmology Special Report also reviews progress on the forthcoming CIBJO Jade Guide, highlights the Laboratory Manual Harmonisation Committee’s work, and examines the increasing role of artificial intelligence and machine learning in gemmology.

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Mutual Engagement Ring-Wearing On The Rise, Insurance Lagging: Jewelers Mutual Group 2026 Engagement Ring Study

Jewelers Mutual Group 2026 Engagement Ring Study Finds Mutual Ring-Wearing Has Overtaken Tradition, But Insurance Hasn’t Kept Pace With How Couples Live With Their Rings.

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Jewelers Mutual Group 2026 Engagement Ring Study finds mutual ring-wearing has overtaken tradition, but insurance hasn’t kept pace with how couples live with their rings.

Jewelers Mutual® Group, the jewelry insurer backed by more than 100 years of expertise, released new findings from its 2026 Engagement Ring Study, examining how couples shop for, wear and protect one of the most meaningful purchases of their lives, and where coverage often falls short. Results indicated that as ring-wearing norms shift, protection habits haven’t caught up, leaving a growing gap between what couples own and what they cover.

The generational split is wide. More than 80% of couples ages 55 to 64 both wear a ring, compared with just 43% of couples ages 18 to 24, suggesting mutual ring-wearing, while now the norm overall, is still catching on among the couples getting engaged today.

The risk window opens well before anyone gets down on one knee. Forty-one percent of proposers hold onto the ring for more than a month before proposing, and nearly half (45%) store it somewhere unsecured, like a drawer or closet, in the meantime.

Once the ring goes on, it tends to stay on. Ninety percent of wearers travel with their engagement ring, and most don’t take it off for everyday activities that put it at risk, including cooking (60%), sleeping (60%) and hiking (65%).

The financial exposure is real: 62% of respondents count their engagement ring among the three most expensive things they own. Yet among uninsured wearers whose ring was damaged, 55% never had it repaired.

Couples should  take a few key steps to protect an engagement ring:

  • Purchase insurance before or at the time of the proposal, not after
  • Document the ring with photographs and a professional appraisal
  • Store the ring in a safe or safety deposit box before the proposal
  • Consider specialized jewelry insurance, which covers loss, theft and damage that standard homeowners or renters’ policies may not adequately address

Design or uniqueness remains the top factor in choosing a ring, cited by 52% of respondents, far ahead of price, stone size and brand. Solitaire settings have become the most popular choice since 2024, now making up 37% of rings versus 22% two years ago, and white gold remains the most common metal, though preference in platinum has grown considerably.

Budget confidence tracks with intention, not price point: respondents who set a ring budget based on personal comfort, rather than an external benchmark, report the highest confidence in their purchase and the lowest financial stress about it. That deliberateness carries past the purchase, too.

Among wearers who don’t yet own their final ring, 84% say they’re still actively researching options, a sign that even once a ring is on, the decision-making isn’t necessarily over. When couples do seek guidance on insuring what they’ve chosen, they turn to people they trust: jewelers rank as the second most trusted source for jewelry care recommendations, behind only family.

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