Alexandrite Care Guide: Preserving a Rare Gemstone for Generations

Alexandrite’s 8.5 Mohs hardness rating makes it perfectly suitable for daily wear, including engagement rings. You can wear your alexandrite jewelry with confidence through normal daily activities. However, remove your jewelry before heavy physical work, gardening, weightlifting, or any activity where the piece could be struck against hard surfaces. While the alexandrite itself is extremely resistant to scratching, the metal setting and any accent diamonds or gemstones can be damaged by impact, and a severe blow could potentially chip even a very hard stone if it strikes at a vulnerable angle along a natural cleavage plane.

The safest and most effective home cleaning method is warm water with a few drops of mild dish soap and a soft-bristled brush, such as a soft toothbrush. Gently brush around the stone and setting to dislodge oils, lotions, and daily buildup that can accumulate on the stone’s surface and dull its brilliance. Rinse thoroughly under clean running water (be sure to close the drain first) and pat dry with a soft, lint-free cloth. This simple routine, performed weekly or whenever you notice the stone looking less lively, will keep your alexandrite sparkling.

Avoid ultrasonic cleaners unless you are confident that your alexandrite is relatively free of significant inclusions. Alexandrite is GIA Type II, and most natural specimens contain inclusions, some of which may be fractures. Ultrasonic vibrations can potentially worsen existing fractures in heavily included stones. The warm soap and water method is gentler and equally effective for routine cleaning. Steam cleaners are generally safe for alexandrite, but we recommend the conservative approach of warm soapy water for home use.

Part of caring for your alexandrite is understanding how to enjoy its most remarkable feature. The color change is best observed by comparing two light sources: natural daylight for the green and candlelight in a dimly lit room for the purple-red. Under mixed lighting or standard bright household bulbs, the colors may appear muted. If your home uses primarily LED lighting, consider keeping a few candles nearby for those moments when you want to see your alexandrite’s full transformation. Many of our clients tell us that watching their alexandrite shift color by candlelight remains one of the most beautiful and personal experiences of gemstone ownership.

Remove your alexandrite jewelry before applying lotions, perfumes, hairspray, sunscreen, or household cleaning chemicals. These substances do not damage the stone itself, but they build up on its surface over time, creating a film that mutes the brilliance and color change. They can also affect metal settings, particularly gold, and potentially loosen gemstone adhesives in certain setting styles. Making it a habit to put your jewelry on last after completing your grooming routine and removing it first at the end of the day will go a long way toward preserving its beauty.

Store your alexandrite jewelry separately from other pieces in a soft cloth pouch or a lined jewelry box with individual compartments. Alexandrite is hard enough to scratch most other gemstones, and it can also be scratched by diamonds and other corundum gems (sapphires and rubies). Keeping pieces separated prevents contact damage. For travel, a padded jewelry roll or individual soft pouches provide excellent protection.

We recommend having your alexandrite jewelry professionally inspected once a year by a qualified jeweler. This inspection should check that all prongs, bezels, and settings are secure, that no metal has worn thin, and that the stone has not shifted in its mounting. This is especially important for rings and bracelets, which experience more wear and physical stress than necklaces and earrings. Each of our pieces is handcrafted by Italian-trained master goldsmiths in 18k gold or platinum, chosen specifically because 18k gold offers superior warmth, luster, and durability appropriate for a gemstone of alexandrite’s rarity, while platinum provides the strongest possible long-term setting security.

Given the rarity and value of natural alexandrite, we strongly recommend insuring your piece through a specialized jewelry insurance provider or a rider on your homeowner’s or renter’s policy. The GIA certificate that accompanies every purchase from The Alexandrite serves as official documentation for insurance purposes, including the estimated retail replacement value. Keep a copy of the certificate in a separate, secure location from the jewelry itself.