June is one of only a few months with not one but three birthstones to its name — pearl, alexandrite, and moonstone. Each is entirely different in origin, appearance, and character, which makes choosing a June birthstone a genuinely personal decision. Whether you are shopping for a milestone birthday, a push present, or simply treating yourself to something meaningful, understanding what sets these three stones apart will help you find the right one.

Pearl: Timeless, Organic Elegance

Of the three June birthstones, pearl is the most immediately recognized — and the only gemstone created by a living creature. Natural pearls form when an oyster or other mollusk coats an irritant with nacre, the same luminous material that lines the shell. Cultured pearls follow the same biological process, but with a small nucleus introduced by pearl farmers to initiate growth.

In terms of color, pearls are more varied than many people expect. Classic white and cream tones remain the most popular, but pearls also occur naturally in soft pink, lavender, silver, and the deep, lustrous black of Tahitian pearls. That gentle surface glow — called orient — is what gives a quality pearl its unmistakable depth. When evaluating a pearl, jewelers look at luster, surface cleanliness, shape, and nacre thickness. A well-matched strand of pearls, for instance, requires careful selection across all of those qualities.

Pearls are relatively soft compared to most gemstones, so they benefit from being stored away from harder pieces and kept away from perfumes, hairsprays, and household chemicals, which can dull the nacre over time.

Alexandrite: The Color-Change Phenomenon

Alexandrite is arguably the most remarkable color-changing gemstone in the world. First discovered in Russia’s Ural Mountains in the nineteenth century, fine alexandrite appears green to bluish-green in natural daylight and shifts to a reddish-purple or raspberry red under incandescent light. The more dramatic and complete that color shift, the more valuable the stone.

This optical phenomenon occurs because alexandrite absorbs light in a very specific way, sitting right at the boundary between the red and green portions of the visible spectrum. The human eye perceives it differently depending on which wavelengths dominate the light source — which is why the traditional description, “emerald by day, ruby by night,” has endured for so long.

Fine natural alexandrite with a strong color change is genuinely rare, which makes it one of the more valuable colored gemstones available. Lab-grown alexandrite is widely available as well and displays the same color-change effect at a more accessible price point — a worthwhile option for someone who loves the stone’s character but is working within a budget.

Moonstone: Soft Light and Inner Glow

Moonstone belongs to the feldspar mineral family and is prized for a phenomenon called adularescence — a soft, billowing glow that seems to move just beneath the surface of the stone, much like light reflected off still water. The finest moonstones display a blue sheen over a colorless or near-colorless body, though the stone also occurs in peach, gray, and pale green varieties.

Throughout history, moonstone has been associated with intuition, femininity, and the rhythms of the natural world — associations that have made it a popular choice in both vintage and contemporary jewelry design. Its softness (it rates a 6 to 6.5 on the Mohs scale) means it is best suited for pendants, earrings, and rings that see lighter daily wear, rather than pieces subject to regular impact.

Choosing Between the Three

Because June’s three birthstones are so different from one another, the choice often comes down to lifestyle and personal aesthetic rather than one stone being objectively better than another. A few questions worth considering:

• How will the piece be worn? Pearls and moonstone are softer and more suitable for occasional or dress wear; alexandrite, with a hardness of 8.5, holds up well in everyday jewelry including rings.
• What is the dominant style preference? Pearls suit classic and refined tastes; moonstone tends toward the romantic and bohemian; alexandrite appeals to those who want something rare and conversation-starting.
• Natural or lab-grown? Both alexandrite and cultured pearls are available in lab-created or cultured forms, offering the same beauty at different price points. A knowledgeable jeweler can walk you through the trade-offs clearly.

Frequently Asked Questions

Why does June have three birthstones instead of one?

The modern birthstone list was established in 1912 and has been periodically updated by the jewelry industry to reflect availability and demand. June’s three stones reflect both historical tradition and the practical desire to offer options at a range of price points — pearls have been associated with June for centuries, while alexandrite and moonstone were added to expand choice.

Is alexandrite very expensive?

Fine natural alexandrite with a pronounced color change can be quite valuable — in some cases more per carat than fine ruby or emerald. However, lab-grown alexandrite offers the same optical properties at a significantly lower cost, making it accessible for most budgets. The best approach is to see stones in person, under different light sources, so you can appreciate the effect firsthand.

How should I care for a pearl necklace or ring?

Pearls are organic and relatively delicate. Wipe them gently with a soft, damp cloth after wearing, and store them separately from harder gemstones. Avoid exposing pearls to perfume, lotion, or chlorine. Have pearl strands restrung periodically — especially if worn frequently — to prevent the silk thread from weakening and to ensure knots between each pearl protect against loss.

Can moonstone be used in an engagement ring?

Moonstone can be a beautiful and meaningful choice for an engagement ring, but its relative softness means it requires a thoughtful setting — ideally one with a bezel or protective prongs — and a commitment to careful daily wear. For someone who works with their hands or prefers a ring they never need to remove, a harder stone like alexandrite may be more practical. A good jeweler will help you think through the right design for your lifestyle.

At M.S. Brown Jewelers, we carry a thoughtful selection of pearl, alexandrite, and moonstone jewelry at our stores in Wildwood and Cape May Court House. If you are searching for a June birthday gift or simply want to learn more about any of these stones in person, we invite you to stop in or give us a call. We are happy to show you what we have and answer any questions — no pressure, just honest guidance from people who genuinely love what they do.