Loose 11 Carat Aquamarines

At eleven carats, aquamarine gemstones achieve truly museum-quality status. Our exclusive selection features these extraordinary treasures with remarkable clarity and the perfect blue hues that embody the essence of fine aquamarine. These exceptionally rare gems represent the pinnacle of natural beauty, offering both spectacular visual impact and significant investment potential for discerning collectors.
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Shape

Diamond shape refers to the overall outline and facets of a diamond. It’s a crucial factor that affects a diamond’s brilliance, fire, and scintillation – its ability to reflect light and sparkle.

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Origin

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Treatment

Carat weight

Carat weight

Diamond weight, also known as carat weight, is a measure of a diamond’s mass. It’s one of the four Cs (carat, cut, clarity, and color) that determine a diamond’s value and price.

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1 items

11.09 Oval Shape Madagascar Aquamarine

4,500.00$

How do 11 carat aquamarines perform as alternative investments? 

Eleven-carat aquamarines represent exceptional alternative investments with demonstrated value appreciation over time. These rare precious stones have historically outperformed many traditional investment vehicles during economic fluctuations. Their physical nature provides tangible asset security, while their natural beauty ensures consistent demand among collectors. Premium specimens with documented provenance and exceptional characteristics can appreciate significantly in value. The limited and decreasing supply of high-quality stones in this substantial size category further enhances their investment potential.

What characteristics elevate certain 11.0 ct aquamarines to legendary status?

Truly legendary eleven-carat aquamarines combine extraordinary characteristics across all evaluation criteria. These museum-caliber specimens display intense, pure blue coloration reminiscent of tropical waters, flawless clarity visible to the naked eye, and masterful cutting that maximizes brilliance and proportion. Documented provenance from historic mines or famous collections significantly enhances value. GIA certified stones with these exceptional natural qualities represent the pinnacle of aquamarine excellence, attracting significant attention from serious collectors and institutional buyers worldwide.

Why are large aquamarines like 11 carat specimens increasingly difficult to source? 

Premium eleven-carat aquamarines have become extraordinarily difficult to source due to depleting reserves in traditional mining regions. High-quality natural specimens of this size represent increasingly rare geological occurrences, with fewer new discoveries each year. The most productive historical mines now yield significantly fewer large crystals with exceptional color and clarity. This growing scarcity has created a seller’s market where prices reflect the genuine rarity of these precious stones, particularly for conflict-free specimens with documented ethical sourcing.

How should collectors insure and store valuable 11 ct aquamarine gemstones?

Valuable eleven-carat aquamarines require specialized insurance with professional appraisal documentation detailing all quality characteristics and current replacement value. For storage, maintain controlled humidity (40-60%) and temperature (60-75°F) to preserve the stone’s natural beauty. Loose stones should be individually wrapped in acid-free tissue and stored in fabric-lined compartments away from harder gems that could cause damage. Regular professional cleaning and inspection ensures these high-worth investments maintain their optimal condition and value over time.