Big Beautiful Australian Natural SOLID Boulder Neon Fire opal with diamond pendant crafted in solid 900 Platinum (all of the parts) and yellow 18k gold (leaf part on top of the pendant)! the opal is big and solid - not a doublet. the pendant is substantial in size! Also please see last photo next to a medium sized ring (just to show how substantial in size the pendant, ring is not for sale). stamped on the other side for Carat size for the opal 10(Ct) and 900Pt and also stamped 18k WG on the yellow part. weight approx 7.36g! Also please see photos 3 and 4th - the opal has naturally appearing number 1 (green neon color) at the top part of the opal next to the diamond. It can be well seen with magnifying and close inspection - it is small (but absolutely amazing!!); also it can be seen or disappeared depending how the light falls on the surface of the opal. photo #8 shows the light source which was used to take photos - regular indoor light. ? the stones and the metal content were verified by a professional gemologist. ? fast free USA shipping and smoke free environment! fast international delivery! in perfect condition and comes in a jewelry case and can be gifted immediately! thank you