Program aims to educate young consumers about mined stones’ positive qualities.
Stellar stateside stones: Colored diamonds came out on top at the December sales, while sapphires continued to draw collectors’ interest.
The combined company will have six salerooms and 18 regional offices in the US, with plans to expand internationally.
Diamonds dominate top 10 lots of December 6 Important Jewelry sale.
Collection of more than 100 timepieces are from collection of Medidata Solutions cofounder Glen de Vries.
Leslie Roskind served at Christie’s for 17 years.