18K yellow gold semi-precious gemstone ring. The center stone is a rectangular-brilliant cut blue-green tourmaline, otherwise known as Indicolite. Complemented by near-colorless round and baguette diamond side stones. GIA Certification Comment: Known in the trade as "Indicolite". The Center stone is set in a white and yellow metal ring with numerous near-colorless baguette and round diamonds. Item Details: - Type: Semi Precious Ring - Metal: 18K Solid Gold - Weight: 8.73 Grams - Setting: