Shop GIA-certified natural diamonds in your preferred shape, carat, cut, colour, and clarity. Castiel Diamond offers a stunning collection of earth-mined diamonds in classic and fancy shapes including round, princess, cushion, emerald, oval, radiant, asscher, marquise, heart, and pear.
Renowned for their timeless brilliance and rarity, natural diamonds from Castiel are handpicked for
exceptional quality. Whether you're searching for a loose diamond or a centerpiece for your custom
jewelry, find a diamond that truly reflects your personal taste and style.
Explore Our Other Popular Collections: Engagement Ring | Wedding Band | Lab
Grown Diamond

Castiel Diamond offers exquisite rings, fine jewellery, and an exclusive designer series each piece crafted to honour love and milestones. With bespoke customisation and an in-house designer, every jewel becomes a timeless reminder of your most cherished moments.
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Contact Us
PENANG
Ground Floor, Castiel Diamond (PG),
No. 53A-G, Lorong Setia Sentral 1,
Pusat Perniagaan Setia Sentral,
14000 Bukit Mertajam,
Pulau Pinang, Malaysia.
KL
J-9-3, Pusat Perdagangan Bandar, Persiaran Jalil 1, Bukit Jalil, 57000 Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia.
PG Showroom
+6010-650 8809
KL Showroom
+6010-440 6688
© 2025-2026 CASTIEL DIAMOND SDN. BHD. 202201045818 (1491515-D)
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