Platinum 900 0.45ct genuine Alexandrite and Diamond cluster ring 3.8g s6.5 JR395

900-purity platinum ring with a 0.24-carat oval-cut color change alexandrite center stone accented by a halo of tapered baguette and round brilliant diamonds totaling 0.22 carats.  The Alexandrite is green in light and orange in dark. It comes with a Gem Research Japan Inc. cert. 

Stamped Pt900, 0.25, 022, on the inside of the ring band.
Details and measurements:
Ring size: 6.5
Weight: 3.8 G.