https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lab-diamond00 2026-09-16T14:47:10+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lab-diamond00-01-featured_6db0ae9f-38a8-426a-ac17-f46ce156a83a.jpg?v=1789536786 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lab-diamond02 2026-09-16T14:47:13+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lab-diamond02-01-featured_0dc92496-36bc-400b-bb5e-885e487539a9.jpg?v=1789534658 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lgd-kokai-checklist 2026-09-16T14:47:15+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lgd-kokai-checklist-featured_575b56f5-1078-4ced-84b2-2ed1be5b2c9a.png?v=1789536802 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lgd00003 2026-09-16T14:47:18+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lgd00003-featured0002.jpg?v=1789536509 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/about-use 2026-09-16T14:47:20+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/about_use-featured002.jpg?v=1789536714 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lgd0004 2026-09-16T14:47:23+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lgd0004-featured02.jpg?v=1789537227 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lgd0005 2026-09-16T14:47:25+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lgd0005-featured02.jpg?v=1789537598 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lgd-1ct-necklace-size 2026-09-16T15:04:04+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lgd-1ct-necklace-size02.jpg?v=1789538644 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/ovl-diamond01 2026-09-16T15:44:01+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/ovl-diamond01-01_0741ab17-e2db-4e7e-9575-516e93871961.jpg?v=1789541041 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lgd-ring-1ct-size 2026-09-16T16:05:48+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lgd-ring-1ct-size02_5def622a-8241-4afb-beef-2e1eeb0deeff.jpg?v=1789541987 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/diamond_emeraldcut 2026-09-17T08:59:56+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/emeraldcut-featured02.jpg?v=1789603196 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/lgd-pierce-guide 2026-09-17T09:24:11+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/lgd-pierce-guide-featured02.jpg?v=1789604651 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/christmas02 2026-09-17T10:47:47+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/christmas02-featured02.jpg?v=1789607996 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/christmas-present 2026-09-17T11:37:36+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/cxpresent-featured02.jpg?v=1789612656 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/propose_ring 2026-09-18T11:27:46+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/propose-featured02_b986c82c-1a77-427f-b08e-17ab88527b9f.jpg?v=1789698466 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/daiamond-hardness 2026-09-18T11:34:43+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/hardness-featured02_1ecf9e92-8a67-44b8-875f-332c2688ea71.jpg?v=1789698883 https://www.jewelrycastle.jp/en/blogs/jewelry-guide/solitaire-necklace-size-guide 2026-10-07T19:28:30+09:00 weekly https://cdn.shopify.com/s/files/1/0852/0935/0369/articles/diamond_size.jpg?v=1791359335