Each translucent jadeite 'abacus' ring of bright emerald green colour, suffused with some deeper green streaks, between a brilliant-cut diamond set jacket, diamonds approximately 4.50 carats total, jadeite measuring 24.7 x 19.7 x 5.9mm and 25.0 x 19.7 x 6.7mm, ring sizes 8 and 7 (2)