Peter Howson Pastel & Chalk PortraitCase Antiques, Inc. Auctions & Appraisals4.7(313)$350(1 bid)Aug 02, 2026
GIA Certified 13.33ct Natural No Heat Sapphire Diamond Ring Unheated 14kt *vJasper524.5(10.5k)$20,000
GIA Certified 4.09ct Natural Round No Heat Sapphire Diamond Ring Unheated 14kt*vJasper524.5(10.5k)$5,500
AGL Certified 7.63ct Natural No Heat Royal Blue Sapphire Diamond Ring Platinum*vJasper524.5(10.5k)$20,000
GIA Certified 6.01ct natural no heat supreme ruby diamonds cluster ring 18kt*vJasper524.5(10.5k)$5,500
GIA Certified 1.12ct Natural No Heat Ruby Cluster Ballerina Diamonds Ring 18kt*vJasper524.5(10.5k)$3,400
GIA Certified 2.97ct natural no heat vivid pink sapphire ring three stone wrap*vJasper524.5(10.5k)$3,200