Marni Davimes Weinbaum

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

De Beers to Disclose Country of Origin for 1.25ct.-Plus Diamonds

Company makes positive step toward increasing transparency.

Swiss Watch Exports Drop Sharply in September

Shipments fell significantly in China and Hong Kong, while US and Japan saw modest growth.

De Beers and Signet to Launch Category-Marketing Campaign   

Initiative focuses on the connection between natural diamonds and personal milestones.

De Beers’ GemFair Marks 10,000th Diamond Purchase

Program supporting artisanal miners has seen 68% sales growth so far this year.

Sotheby’s Paris Auction Brings In $6.5 Million

The sale also included over 80 lots from the collection of British singer Dame Shirley Bassey.

$6M Blue-Diamond Ring to Go Under Hammer at Phillips Geneva

Piece is one of several featuring colored diamonds at auction house’s third sale in Swiss city.

21ct. Diamond Ring to Head Up Doyle Jewelry Auction

Other lots include René Boivin brooches that once belonged to socialite Babe Paley.

Late US Senator’s Diamond Ring Fetches over $100K at Bonhams

Sale of Diane Feinstein’s personal collection also included $19,200 California State Flower brooch.

Fancy-Color Prices Stable Despite Slight Decreases

Yellows fell further than other hues in third quarter, while pinks were mostly flat.

Bonhams Puts $132K Price Tag on 17ct. Diamond Ring

Paris Jewels sale will also feature a Cartier coral, mother-of-pearl and enamel clock set to fetch nearly $200,000.
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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.