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Cocktail Rings

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  1. Emerald-cut ruby gemstone 1.12 carats, embraced by 18K premium yellow gold.

    ¥300,000
  2. Premium platinum 900 ring with 4.20 CT blue sapphire. Adorned with 0.86 CT diamond. 

    ¥4,100,000
  3. GRS certified natural emerald of 5.46 CT with diamond halo of 3.21 CT, set in platinum 900.

    ¥8,800,000
  4. Sri Lankan certified blue sapphire of 5.04 CT with 0.83 CT diamond and platinum 900 mount.

    ¥5,520,000
  5. Certified 3.08 CT Colombian emerald set in platinum 900 band with 2.51 CT diamond cluster.

    ¥2,800,000
  6. Certified yet natural 1.55 CT blue sapphire from Madagascar with 0.45 CT diamonds set in yellow gold 18K.

    ¥300,000
  7. Blue sapphire 5.34 CT, heart shaped stone. Crafted in Japan with platinum 900, with adjustable sizing.

    ¥2,540,000
  8. Platinum 900 certified ring with 9.14 CT of jade gemstone and 0.28 CT diamond detailing. 

    ¥410,000
  9. Out of stock

    Platinum 900 band with 10.08 CT oval jade stone, enhanced by 2.18 CT diamond frame.

    ¥5,642,774
  10. Red ruby weighing 1.497 CT in pear-cut. Accompanied by 0.26 CT diamonds with 18K yellow gold setting.

    ¥300,000
  11. High-end certified emerald with 1.30 CT center stone in platinum 900 setting, featuring 1.06 CT diamond halo.

    ¥1,050,000
  12. Certified and made in Japan, this natural 11.23 CT blue sapphire ring comes with 900 platinum construction.

    ¥8,520,000
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Shaped by Japanese precision and over three decades of gemstone expertise through our parent company, Sekai Boeki.

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Beyond a Marketplace

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