Kode : OP.628 ( GEM ID SKY GEM LAB / Nugroho Gemologist) 
Nama : Natural attractive opal 
Harga : Rp.475.000 
Ukuran : 3, 00 ct. / 12, 95 x 9, 44 x 5, 64mm 
Bentuk : Oval brilliant 
Clarity : Transparent 
Color : Yellow ( multi colour) 
Treatment : None ( NTE ) 
Asal : Ethyopia