of 'eye' form, each featuring a central oval cabochon opal to a calibre cut citrine ground, bordered by old single cut diamonds, each cluster spaced by a round cabochon opal, open millegrain set in platinum, French control markLength 17.8cm / 7''
Width at centre 0.9cm / 3/8''
Central opal approximately 9.0 x 6.0 x 2.8mmWeight: 13.5g
Three stone ruby and diamond line cluster ring, the trio of Burma rubies with largest to centre, of 1.53ct, flanked by two rubies of pigeon-blood colour, 0.76ct and 0.73ct,