Important Modern & Vintage Jewels

Geneva, Nov 11, 2019

LOT 869


CHF 250,000 - 300,000

EUR 230,000 - 270,000 / USD 250,000 - 300,000

Sold: CHF 275,000

Cushion-shaped pyrope spessartite color change garnet of 25.81 carats, trapeze and circular-cut diamonds, platinum and gold, 2000s, size 53 GIA 2018, report no 1308956787, Pyrope Spessartite Garnet, this stone exhibits a change of color when viewed under daylight or fluorescent vs incandescent light. GIA Notable letter 2018 GRS 2018, report no 2018-111938, Pyrope Spessartite Garnet, color shift from greenish brownish-pink to vivid red, Madagascar, no indication of thermal treatment

Brand Unsigned

Year circa 2000s


Unprecedented, extremely rare, one of a kind, GRS and GIA certified including notable later, investment grade natural 25.81 carats pyrope-spessartine Madagascar garnet with unbelievable color change (Alexandrite effect), incredible sparkle and clarity is absolutely beyond compare. This phenomenal gem is perfectly presented in a handmade platinum and 18k rose diamond ring. Color Change Garnet is definitely one of the rarest and unique gemstone. Any gem that changes color is a rare find and sought after by collectors. This particular gem is more so called Chameleon gem which is much rarer and usually comes in a size 2-3 carats which makes this an absolutely unique find. Color change garnets are actually a teal blue, greenish-blue or green under daylight or fluorescent light, changing to reddish-purple/purplish-red under incandescent light. The stronger the color change and the more beautiful red color is in incandescent light the more valuable is the gem.