1935 Bulgari Platinum Crown with Aquamarines, featuring a luxurious design of pear-shaped aquamarine gemstones surrounded by diamonds.
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The Allure of Aquamarine: From the Serene Seas to Your Jewelry Box

White sand beach and clear waters of Boracay, Philippines, where the gradient blue hues perfectly echo the color of the sea, symbolizing tranquility and beauty.

Have you ever gazed upon the breathtaking, cerulean waters of Boracay, Philippines? Aquamarine, the gemstone, captures that very essence of serene, crystal-clear beauty. Known for its refreshing, cool blue tones, aquamarine has become a powerful symbol of tranquility and elegance, much like the ocean from which it takes its name.


What Makes Aquamarine So Special?

Close-up photo of an aquamarine crystal, a pale blue variety of the beryl mineral, showing its characteristic hexagonal structure.

Aquamarine is a variety of the Beryl family, sharing its lineage with the illustrious emerald. Trace amounts of iron within the crystal structure give the gem its distinctive blue-to-bluish-green hue. While emeralds owe their vivid green to chromium, both stones share the same fundamental mineral composition.

Heated aquamarine rough from Vietnam displaying a geniculated twin crystal structure, valued highly for its rare, unique formation and outstanding visual appeal.
Heated aquamarine rough from Vietnam displaying a geniculated twin crystal structure
  • Crystal System: It belongs to the hexagonal crystal system, commonly forming as prismatic columns or sometimes with a hexagonal bipyramidal structure.
  • Hardness & Wearability: With a Mohs hardness of 7.5, aquamarine is highly durable and ideal for daily wear.
  • Market Appeal: Its exceptional optical clarity and stability secure its position as a highly sought-after gem in the international market.
Aquamarine jewelry set by Christie's Images Inc, featuring elegant design and stunning aquamarine gemstones.
jewelry set by Christie’s Images Inc

Aquamarine’s exceptional clarity and timeless beauty have made it a favorite among gem enthusiasts worldwide. In fact, its regal appeal has long captured the attention of royals. Curious about why Princess Diana and Queen Elizabeth favored this stunning gem? Discover more in PeonyJewels blog article: Underrated’ Aquamarine? Why Princess Diana and Queen Elizabeth Wore It.


Understanding Color and Value

Three faceted aquamarine gemstones lined up, showing the color gradient from light bluish-green to saturated deep blue, illustrating value difference.

Aquamarine’s color range is relatively focused, extending from light blue and bluish-green to deep blue-green. The most valuable stones boast a rich, saturated, and pure blue color. Simply put, the deeper and more vivid the blue, the higher its market value. Naturally, lighter, common shades are more accessible and affordable.

  • Value Contrast: The price difference can be substantial. For example, a high-quality, saturated 5-carat aquamarine may fetch up to $300 per carat (approx. 2000 RMB), whereas lighter stones could be priced as low as $7 per carat (approx. 50 RMB). Due to its rarity, a pure, deep blue aquamarine commands a significant premium.

🔥 Treatment: The Transformation to Pure Blue

Rough, untreated aquamarine crystal from Madagascar, displaying the natural, very pale blue-green color before heat enhancement.
Rough, untreated aquamarine crystal from Madagascar

Naturally occurring aquamarine often exhibits a greenish or bluish-green tint; a pure blue stone is incredibly rare. Consequently, the vast majority of the stunning blue aquamarines you see on the market have undergone heat treatment to enhance their color.

Untreated beryl rough from Xinjiang, China, displaying a natural pale bluish-green color due to the inherent yellowish tint before heating.
Untreated aquamarine rough from Xinjiang, China
  • The Heating Process: This treatment is standard industry practice. For instance, rough stones from regions like Xinjiang often appear a pale bluish-green before treatment. Heating the stones to temperatures between 250°C and 700°C effectively removes the yellow components, resulting in a cleaner, more intense blue color.
  • Color Stability: Just like with sapphires, the color achieved through heat treatment is stable and will not fade over time. However, aquamarines treated with radiation to alter their color may be prone to fading, which is an important distinction for buyers.
Aquamarine crystal comparison: The top segment shows the natural, untreated pale bluish-green color, while the bottom segment from the same rough displays the enhanced, pure blue color after heat treatment.
Crystal comparison: The top segment shows the natural, untreated pale bluish-green color, while the bottom segment from the same rough displays the enhanced, pure blue color after heat treatment.

💡 Market Acceptance: While the demand for untreated gems is high, heat-treated aquamarine is widely accepted by buyers. Many collectors are willing to embrace these enhanced stones, believing that stunning beauty and a fair price are more important than the stone’s original color status.


🌍 Where Does Aquamarine Come From?

High-quality aquamarine gemstone from Thanh Hoa province, Vietnam, showcasing a deep, exceptional color saturation and superior hue.
Aquamarine gemstone from Thanh Hoa province, Vietnam,

Key sources for aquamarine worldwide include:

  • Brazil: Historically, Brazil has been the primary supplier of high-quality aquamarine.
  • Africa: Countries like Madagascar, Nigeria, and Tanzania produce popular stones. Generally, stones larger than 5 carats from these regions tend to exhibit a richer, more saturated blue color.
  • Vietnam: Though Vietnam (particularly Quang Nam province) yields impressive colors and large volumes, its aquamarine often struggles for full international acceptance due to less transparent sourcing information. Most Vietnamese aquamarines also require heat treatment.
A 32.1-carat heart-cut, heated beryl gemstone displaying a valuable, saturated pure blue color.
A 32.1-carat heart-cut, heated aquamarine gemstone displaying a valuable

Why the Enduring Popularity?

The Tiffany & Co. Blue Book Collection gemstone and platinum high jewelry necklace, showcasing the stone's elegant blue hue and luxurious craftsmanship.
The Tiffany & Co. Blue Book Collection aquamarine and platinum high jewelry necklace

People love aquamarine because of its unique blue hue—it feels fresh, elegant, and deeply calming. Whether it’s the rare, untouched brilliance of a natural piece or the refined depth achieved through heat enhancement, its allure is undeniable.

At Peonyjewels, we understand that aquamarine’s appeal lies not only in its breathtaking color but also in its rich character and the story it holds.

We offer a diverse selection of aquamarine jewelry, from custom designs to finished pieces, ensuring every item tells your unique story while maximizing the gem’s inherent beauty.

Explore our collection today, and let us help you find that perfect original, handmade vintage earring—the signature piece that will add a touch of tranquil elegance to your life.

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