International News
Must -see collections at JCK Las Vegas 2025
One reason JCK Las Vegas remains such an important hub for the international fine jewelry trade is because the show offers a truly diverse range of products, from loose diamonds and gems to tech equipment and supplies. These collections highlighted below offer a taste of JCK’s variety:Haute Couture Brooch Collection by Smiling Rocks, Smiling Rocks guitar brooch and The Periklista Collection by Kouzoupis.
Haute Couture Floral Guitar brooch in 14k yellow gold with 0.98 ct. t.w. lab-grown diamonds and enamel,; Smiling Rocks. Haute Couture Hummingbird brooch in 14k white gold with 4.6 cts. t.w. multicolored lab-grown diamonds. Kouzoupis, a Turkish exhibitor in the Design Collective, is introducing the Periklista collection, which is named for the ancient Greek enamel technique that lends the pieces both their color and style. In Kouzoupis’ version, the ancient technique is made modern by the addition of bright colors and motifs, such as snakes, that capture the 2025 zeitgeist.
Like the European cloisonne method, the Periklista technique involves creating small partitions made of thin metal wires or strips on a metal surface, usually made of gold, and filling them with enamel, stones, or glass. Pioneered during the Mycenaean period (16th–12th century B.C.), Periklista enamel jewels were found in the royal tombs at Mycenae. Refined in subsequent centuries by Greek goldsmiths, the technique later influenced Roman and Byzantine art.
International News
Fluorescent Diamonds: GIA to Introduce Clearer Guidance
According to GIA, around 25% to 35% of all diamonds show some level of fluorescence. Greater transparency about this significant segment of the market could help improve confidence among both consumers and the jewellery trade.
Later this year, the Gemological Institute of America (GIA) will introduce new wording in its diamond grading reports to reduce confusion about fluorescent diamonds. The update, expected in the fourth quarter, is one of the most important steps taken by a grading laboratory to explain this feature more clearly to both the jewellery trade and consumers.
Rapaport Intelligence Report explores what this change could mean for the diamond market. Fluorescence has had a long and complicated history. In the past, fluorescent diamonds often sold at premium prices. However, attitudes changed during the diamond boom of the 1970s and again after a grading controversy in South Korea in the early 1990s. Although later gemological research helped improve confidence in fluorescent diamonds, many buyers still view them negatively, and they often sell at discounted prices.
The report also looks at how these discounts have changed over the past six years through both strong and weak market conditions. In addition, the report explains two key questions: how fluorescence affects a diamond’s appearance and whether it influences its color grade. It also considers whether GIA’s new report comments could change how buyers view fluorescent diamonds.
The report revisits a long-debated issue—does fluorescence really affect a diamond’s beauty, or are today’s concerns mainly based on old perceptions that continue to influence buying decisions?
According to GIA, around 25% to 35% of all diamonds show some level of fluorescence. Greater transparency about this significant segment of the market could help improve confidence among both consumers and the jewellery trade.
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International News4 hours agoFluorescent Diamonds: GIA to Introduce Clearer Guidance
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