NEW Rainbow sapphire curved cross pendant and chain in gold over sterling silver

This is a brand new pendant without original packaging and tag.  Genuine multi colored sapphire gemstones in an array of rainbow colors. Mined and likely heat treated for color enhancement. Prong set in an authentic 925 sterling silver setting plated with a gold vermeil finish. 1.60 total ctw. Chain measures 20 inches and is also yellow gold vermeil over sterling silver with a lobster claw clasp. Total weight is 4.50 grams. White / colorless accent stones are natural zircon. Made in Thailand. Estimated retail value is $500. Reasonable offers considered