Pearl is the traditional June birthstone, sharing the month in modern birthstone lists with alexandrite (added in 1952 by Jewelers of America to provide a coloured-stone option for June) and moonstone (recognised as a third June birthstone in some lists, particularly older ones). Of the three, pearl carries the longest established birthstone tradition, with reference texts dating to medieval and earlier periods associating pearl with June and with the symbolism of purity, integrity, and milestone-marking. The pearl tradition is sustained today through bridal jewellery, milestone gifts (graduations, anniversaries, eighteenth and twenty-first birthdays), and the deep cultural association between pearl and the formal occasions of summer.

Pearl types suitable for June birthstone use

All four cultured pearl types are suitable for June birthstone jewellery. Akoya pearls in classic round white form are the most traditional choice, particularly in stud earrings, single-pearl pendants, and graduated strands. South Sea pearls in white or golden bodycolour offer a larger and more substantial option for milestone gifts. Tahitian pearls in dark bodycolour with peacock or aubergine overtones provide a contemporary and less conventional alternative. Freshwater pearls in white, peach, or lavender colours offer a more accessible price point with broader colour and shape options.

Natural pearls, where available, carry significant additional value and are often the choice for major milestone gifts where budget permits. Estate-jewellery pieces with natural pearls are routinely sourced for significant birthdays and anniversaries.

Care and durability

Pearls require careful handling that the harder gem species do not. Mohs hardness of 2.5 to 4.5 makes pearls vulnerable to scratching and abrasion from harder stones and metal surfaces. Pearls are damaged by acids — perspiration, perfume, hairspray, vinegar, fruit juices — which etch the nacre over time, and by heat and dehydration, which crack and discolour pearls. Ultrasonic and steam cleaners are absolutely contraindicated.

The standard care guidance for pearl jewellery is summarised as "last on, first off": pearls go on after perfume, hairspray, and makeup are applied and come off before showering, swimming, or any activity involving sweat or chemicals. Cleaning is by mild soap and warm water with a soft cloth; storage should be separate from harder stones, ideally in a fabric pouch or fabric-lined drawer with some humidity.

Pearl strands worn frequently should be restrung every one to two years; the silk thread that holds the pearls degrades with wear and may break, and the knots between pearls (which prevent loss of multiple pearls if the strand fails) wear over time.

Symbolism and tradition

Pearl symbolism in Western tradition centres on purity, integrity, and the maturation of value over time — the pearl forms slowly, layer by layer, in response to an irritant, and the metaphor for personal development is direct. In bridal contexts, pearl jewellery represents these qualities and is considered appropriate for both wedding-day wear and as a gift to the bride from family. In milestone contexts (eighteenth and twenty-first birthdays, graduations), pearl is the conventional gift marking the transition to adulthood.

In Asian traditions, pearl symbolism extends to longevity, wisdom, and prosperity, and pearl jewellery features prominently in milestone celebrations across the cultural region. Japanese pearl jewellery, particularly Mikimoto product, has carried this symbolism into international markets through the twentieth century.

In the trade

For June birthstone purchases, the buyer's choice depends on budget, intended use, and recipient preference. A classic Akoya stud earring or single-pearl pendant suits a broad range of price points and use cases. A South Sea or Tahitian pearl piece is more substantial and more expensive. The pearl's visible quality — lustre, surface, and where applicable shape and colour — is the principal value driver, and budget is best spent on quality at modest size rather than larger but lower-quality pearls.

Further reading

• GIA — Pearl history and birthstone tradition
• GIA — Pearl quality factors
• International Gem Society — June birthstones