Bidspirit auction | 18KYG/Plat. 2.84ct Boulder Opal &

18KYG/Plat. 2.84ct Boulder Opal & Natural Diamond Ring, sz 8.5 - Principal stone Natural Queensland boulder opal, 2.84 ct (free-form cabochon); midnight blue-green play-of-colour against ironstone matrix, surface shows minor polishing marks Accent diamonds Round brilliant melee, 0.41 ct tw, near-colourless, VS- SI clarity Mount Sculptural petal motif in platinum 900, atop 18 K yellow-gold split-shoulder shank; gross weight ≈ 10.3 g Finger size 8.5 (resizable) The free-form opal displays vibrant blue, teal and emerald flashes that dance across the natural matrix, framed by a platinum ribbon pave. The contrasting yellow-gold under-gallery adds warmth, while the substantial 10g build gives a confident hand-feel. A standout, one-of-a-kind cocktail piece.