Blue Nile

Blue Nile has been selling diamond jewellery online since 1999 and built a reputation on transparent stone information: every diamond listing includes a grading report, and the site provides full cut, colour, clarity, and carat data rather than hiding behind vague quality descriptors. Their eternity ring section carries half and full pavé styles in a range of stone sizes and metal types.

Pricing is competitive for a well-known brand, particularly for half eternity rings in white gold or platinum. International shipping covers Switzerland, and their customer service team is available by phone and chat for buyers who want to ask about sizing or stone specifications before ordering.