Categories Diamond Costco’s diamond and jewellery sales boom; history in the courts – Jeweller Magazine Post author By Gold News Club Post date December 30, 2021 Click here to get this article in PDFEnter your Email AddressShare this: Costco’s diamond and jewellery sales boom; history in the courts Jeweller Magazine ← Global Diamond Jewellery Market: Driving Factors, Market Analysis, Investment Feasibility & Trends 2026 – LSMedia – LSMedia → 32.32-carat rare pink diamond fetches $19 million – Jeweller Magazine