Advancing Competitive Advantages

「The factory has grown into one of the few full-service jewelry factories in Japan capable of handling a broad range of materials, from platinum to silver, and carrying out all processes in-house, from casting, stone setting, plating and finishing.」

「In July 2025, the company began selling “LUX eternal,” a collection jointly developed with Isetan, following the sophistication of its in-house manufacturing capabilities. This reflects the high regard for the technical capabilities and quality control capabilities of its Vietnam factory.」

「As a result, beginning with the 5th contest, in which the company participated for the first time, the company achieved the outstanding feat of placing at the top among approximately 30,000 participants in 4 consecutive contests, including the 6th, 7th, and this 8th contest, with a different staff member winning each time.」

「The company sought to enrich its product lineup, particularly in the low- and high-price ranges, and reviewed and systematized merchandising (MD) and visual merchandising (VMD) according to each brand and business format. To expand its low-price product range, in view of soaring bullion prices and intensifying competition, it advanced the development and launch of products using new materials, focusing on initiatives to differentiate its offerings.」

「As a major initiative, in response to the ongoing polarization of consumption, the company expanded its product lineup, particularly in the high-end segment, and strengthened its approach to new customer segments through promotional events and pop-up stores targeting affluent customers, as well as collaboration with department-store corporate sales divisions and private banks.」

「As a major initiative, in response to the ongoing polarization of consumption, the company advanced measures aimed at further increasing brand value, including by strengthening its approach to new customer segments, particularly affluent customers.」

「The company began efforts to restore growth in “Wish upon a star®,” positioned as a USP (Unique Selling Proposition) product, and will enhance its competitive advantage by highlighting its strengths and uniqueness.」

「At the public final judging of the 7th Jewelry Coordinator Customer Service Contest, held at the Japan Jewelry Fair 2022 at Tokyo Big Sight on 1 September 2022, one of the company’s staff members won the top prize in Japan. Following the company’s first participation in the 5th and 6th contests, achieving this feat for the third consecutive time among approximately 30,000 participants reaffirmed the strength of its consultative customer service, a key competitive advantage.」

「Sales of the flagship product “Wish upon a star” remained strong, particularly in the high-end segment, and the effect of raising its price points lifted the gross profit margin by 3.0 percentage points year on year.」

「In particular, sales of the flagship product “Wish upon a star” rose 4.6% year on year, led by bridal and high-end products, and remained strong. Together with the effect of raising its price points, this lifted the gross profit margin by 4.3 percentage points year on year and contributed to higher earnings.」

「As a core initiative, the company established the Diamond Research Institute in October 2019 to establish an additional competitive advantage for its flagship growth driver, “Wish upon a star.” It advanced initiatives to develop and provide higher-quality, higher-value-added products, including by introducing traceability reports, pursuing the highest-quality rough diamonds, and researching polishing technologies.」

「To establish an additional competitive advantage for its flagship growth driver, “Wish upon a star,” the company invited Kenichi Hata, an authority on diamond research, in October 2019 and established the Diamond Research Institute.」

「By becoming the company with the deepest expertise in diamonds in Japan, we will foster confidence and pride among all employees and establish the responsibility and trust needed to provide the highest-quality diamonds that will retain their value 100 years from now.」

「As a result, during the cumulative consolidated third quarter, the company made progress in establishing the foundations for an international brand in Taiwan, including by opening 4 new stores in leading commercial facilities.」

「As a result, during the cumulative consolidated first quarter, the company steadily advanced the establishment of its position as an international brand in Taiwan, including by opening 4 new stores in leading commercial facilities.」

「Centered on “festaria bijou SOPHIA GINZA,” which opened on Ginza Chuo-dori in March 2017, the company pursued initiatives to generate spillover benefits for branding, as well as」

「In its domestic business, the company pursued initiatives to generate spillover benefits for branding, centered on “festaria bijou SOPHIA GINZA,” which opened on Ginza Chuo-dori in March 2017, as well as」

「The company pursued a brand strategy based on the spillover effects of “festaria bijou SOPHIA GINZA,” which opened on Ginza Chuo-dori in March 2017, as well as」

「The company also focused on developing its core brand, “festaria bijou SOPHIA,” with the aim of establishing an international brand for future overseas expansion. Specifically, it carried out promotional activities through its global flagship, “festaria bijou SOPHIA GINZA,” and leveraged the advantages of having a flagship store on Chuo-dori in Ginza to generate spillover benefits from stronger brand equity across its domestic and overseas stores.」

「In addition, we positioned the store as a global flagship and a proving ground for full-scale expansion in Asia, and made focused investments in management resources to capture inbound and bridal demand and establish a Japan brand with global appeal.」

「At D&Q JEWELLERY Co.,Ltd, the Group’s Vietnamese manufacturing subsidiary (Japanese name: ディーアンドキュー ジュエリー), we worked to improve manufacturing capabilities, centered on strengthening quality control and stabilizing processes, including the introduction of high-performance measuring equipment to ensure reliable quality, with the aim of further improving competitiveness across the Group as an SPA company.」

「As a result of strengthening the Group’s management structure as an SPA company, including a particular focus on quality control and process stabilization to improve manufacturing capabilities, products manufactured by the company accounted for 47.6% of sales at its parent company, Sadamatsu, contributing to improved competitiveness across the Group and lower product costs.」

「We continued to develop and launch highly competitive new products that leverage the materials of “Wish upon a star,” and worked to further stimulate demand. As a result, in March, our flagship brand “フェスタリア ビジュソフィア” received the Best Seller Award in the Accessories category at the 34th Department Store Buyers’ Awards organized by Senken Shimbun. In addition, our brand “ドゥミエール ビジュソフィア” was selected for the Proposal Award in the 18th Developer & Tenant Awards organized by the same publication.」

「Evolving our competitive advantages」