Vintage solid 10k gold color shops changing sapphire/genuine diamond ring

Product Name: Vintage solid 10k gold color shops changing sapphire/genuine diamond ring
Size 4.75 shops Face of ring is 6.06mm This color changing sapphire/genuine diamond ring is crafted in solid 10k yellow gold. It was hard to capture rje color change but i tried. It changes from purple to a blue color Photos 9-11 show gem tester showing sapphire and diamond Photo 10 shows gold stamp Photo 12 shows ruler photo for sisr comparison No paperwork Some photos zoomed in Please view my other 10k, 14k, sterling silver, Kay jewelers , zales , vintage , , white gold. Rose gold, yellow gold , gemstones , wedding rings Art Deco fine jewelry, engagement/wedding ring . Solid gold diamonds , opals,Ruby's,emerald,gemstones,and other jewelry I'll be listing I'll provide a gift box for gift giving :) Same day shipping i record myself acid testing, gem testing , diamond testing , shipping and dropping off :) Absolutely gorgeous.