Marni Davimes Weinbaum

Marni Davimes Weinbaum is a News Writer at Rapaport. She reports on jewelry retailers, auctions, and manufacturing.

CIBJO Launches Industry-Wide Responsible-Jewelry Glossary

Organization puts out call for global consultation on its Blue List to clarify language.

De Beers Partners with Stuller to Expand DiamondProof Distribution  

Rollout follows initial release to US retail stores earlier this year.

DMCC Names Former De Beers Executive Neil Ventura as Special Adviser 

Role will create strategic direction throughout the natural and lab-grown diamond sectors.

14ct. Yellow Diamond to Lead Heritage Auction 

Piece carries estimate of up to $400,000 at May 5 sale.

Jewelers Mutual Acquires Australian Insurance Company 

Purchase of Jewellers Loop marks US provider’s first international expansion.

Concerns Mount over Gemstones with Unstable Color Entering Market 

Industry leaders call for urgent regulations on irradiated Sri Lankan rubies and sapphires.

CIBJO Introduces New Definition for Recycled Gold

Terminology will provide greater clarity and consistency within the industry, according to organization.

Industry Collab Debuts Hybrid Diamond Master Sets 

Specimens will include both lab-grown and natural stones.

Decreased Diamond Prices Give Way to Loss at Lucapa

Revenue for full year down 31%.

Michael Hill Sales Stable Amid Holiday Boost 

Revenue down 0.7% in first half, when higher-value gift-buying mostly offset weak overall demand.
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Picture of Marni Davimes Weinbaum

Marni Davimes Weinbaum

Marni Davimes Weinbaum is a News Writer at Rapaport. She reports on jewelry retailers, auctions, and manufacturing.