Indulge in the colour changing properties of this lab grown alexandrite drop pendant necklace. Suspended from a 9ct gold rope chain, an expertly cut 1.75ct alexandrite stone hangs in a classic four prong setting. Take a look at this round cut alexandrite in natural light and you'll see intense flashes of emerald green mixed with hints of blue. Observe alexandrite in incandescent light and the stone will change to a deep purple. Stunningly simple, this design has remained a QP favourite for many years.Single 1.75ct lab grown alexandrite. Round cut. Pendant hangs from 9ct gold double link rope chain with spring clasp, length options from 14" to 24". Available chain thickness 1.15mm.Lab grown gemstones hold the same optical and physical properties as their natural counterparts and offer a superlative cut, colour and clarity. Size: 7.1 x 14.7 mm (0.28 x 0.58 in). Material: 9ct Gold. Total metal weight: 1.54 gr. 1 round cut lab grown alexandrite (7 x 7 mm) = 1.75 ct. Colour: Colour Changing