Market quiet. US and India retail seasonally slow. China slump continues. G7 sanctions causing confusion. Weak demand for round, 0.30 to 2.99, J-L, VVS-VS diamonds. Fancies slow. AGTA bans sales of synthetic stones at its shows. UK regulator censures Skydiamond for calling its synthetic diamonds “real.” Rough dealers struggling to make premiums on 3-grainer and larger De Beers goods after buying them at high prices. Stargems to acquire Petra’s Koffiefontein mine. US inflation rises to 3.5% in Mar. Oval brilliant, 55.55 ct., D-flawless diamond sells for $5.8M ($103,986/ct.) at Sotheby’s Hong Kong. Martin Rapaport and Sarine CEO David Block to host source certification webinar on Tue., April 16, at 11 a.m. EDT.

Craig Miller of JC Jewels gives the lowdown on Australia’s jewelry market.

Is there a place for lab-grown stones at auction? Four experts weigh in.

A look at how the diamond trade can implement US sanctions on Russian diamonds effectively and efficiently without unnecessary harm to the US diamond industry.

Heritage curator director Gislain Aucremanne takes us on a tour of the legendary Roman house’s innovations and style.