Blue Opal Carved Gemstone Pair SetsDiscover the charm of Natural Blue Opal Carved Gemstone Pair Sets, crafted to highlight the opals delicate blue tones and artistic carving work. Each pair is ideal for creating elegant earrings, pendants, or statement jewelry pieces. Gemstone : Blue Opal Pair Dimensions : 1) 15X23 MM 2) 17X26MM 3) 15X24MM 4) 18X27MM 5) 18X30MM 6) 19X30MM 7) 18X30MM 8) 15X26MM 9) 20X34MM 10) 19X31MM 13) 18X32MM 14) 19X30MM 15) 18X32MM 16) 18X28MM 17) 17X25MM 18)