June Birthstone: Not Your Grandmother's Pearl
By Jeannette Chen, Contributing Writer
Astor & Orion · June 2026
Pearl: The June Birthstone, Considered
Of all twelve months, June is the only month whose birthstone grows. Built inside a mollusk, in thin overlapping layers of nacre — each one laid down slowly, each one unrepeatable. Pearls are the only gemstone made by a living organism, not mined from the earth or cut from its crust.
Pearls are experiencing a major resurgence because people are finally seeing them for their natural and organic beauty which takes on so many more shapes than the perfectly round version we have all seen.
Why Pearl is Different
When someone asks about the June birthstone, they almost always mean pearl — even though it shares the month with moonstone and alexandrite. What separates it from every other stone on that list is origin. Every other birthstone is a mineral: extracted, cut, polished. Pearl is not.
Every other birthstone starts in the gorund and shaped by human hands before it can become jewelry. A pearl shapes itself and carries its whole history on its surface. The same layers of nacre that give it depth are the layers that record how it grew, how long, and around what.
Nacre pronouced, NAY-ker (rhymes with acre) is the iridescent substance secreted by mollusks to coat the inside of their shells and form pearls. It's composed of microscopic layers of calcium carbonate crystals bound together by an organic protein called conchiolin. The layers are so thin they interfere with light, creating the characteristic glow and iridescence you see on a quality pearl.
Contemporary cultivation works with that biology: freshwater pearls from eco-managed waterways, harvest windows timed to the mollusk's natural cycle. Astor & Orion's sustainable pearl collection is built on that standard. Eco-managed waterways and a harvest timed to the mollusk's cycle are not a marketing position; they decide which pearls exist to design with in the first place. The supply and the design begin in the same place.
Shape is where most of that individuality lives. A baroque pearl forms without a round nucleus, so it grows into its own irregular shape. Keishi pearls grow flat and petal-like, with no bead at the center at all. Stick pearls elongate; rectangular pearls hold a flat, architectural face. None of these is the round strand most people picture when they hear the word.
This is also where pearl has changed. The inherited image, a uniform white strand with every bead matched to the next, was a function of what was scarce a generation ago: matched roundness was the achievement. Now the round strand is the easy version to source, and the pearls worth attention are the ones that have an organic and unique natural beauty. Designed for rather than corrected, it reads as a deliberate choice instead of a default.
June Pearl Gift Ideas
If you are shopping a June birthday, the question is less whether to choose pearl than which pearl, and which piece was designed around it. The five below run from gold-fill to demi-fine in 18k over sterling silver, so the choice is about shape.
For the person who wants an original pearl
Naya Baroque Pearl Necklace — A single baroque pearl. The whole necklace. A pearl formed without a perfectly spherical nucleus; the irregularity of shape is structural evidence of how that specific pearl formed. Not imperfection. The record of its growth. The design steps back and lets the pearl hold the chain. 18k Over 925 Silver.
For the person who wants pearl, worn in a modern way
Baroque Pearl Huggies — A single freshwater baroque pearl in a minimal huggie setting. No two pairs are identical: the irregularity is the point, not the compromise. Available in 18k Over 925 Silver and Sterling. For the person who wants pearl, worn in a modern way.
The uncommon yet attainable pearl
Maris Pearl Bar Necklace — The bar necklace, rethought with an elongated freshwater stick pearl, set horizontal on the chain, architectural in proportion. The perfect anchor to a layered necklace look.
The pearl strand necklace- reimagined
Keishi Pearl Necklace — A fresh perspective to the classic pearl — textural, petal-like, Keishi pearls in a choker-length with toggle clasp. No two shapes the same. 14k Gold-Fill.
Pearls for the pearl-skeptical
Isla Pearl Necklace — Rectangular pearls, end to end. The rhythm is the design. A new essential, radiant in its simplicity. In 14k Gold-Fill. The pearl piece for the person who does not think of themselves as a pearl person.
All Astor & Orion settings are designed in ZBrush: hand-sculpted digitally, built around the pearl's actual shape rather than a standard round-pearl template adapted to fit. That is the difference between a pearl piece and a setting that happens to hold one. It is the same standard that runs through the whole sustainable pearl collection, and through Astor & Orion's ethical jewelry more broadly: the design decision and the sourcing decision treated as one decision.
June's pearl is specific. The piece the choose should be too.