Aether Diamonds

The world's first carbon-negative diamonds made from air

New York, United States · $20.6M raised

Headquarters
New York, New York
Employees
11–50
Business Model
B2C
Total Funding
$20.6M
Last Round
$18.0M Series AMar 2022
Rounds
2

About

Aether Diamonds is a New York-based fine jewelry brand that creates the world's first diamonds made entirely from captured atmospheric carbon. By transforming harmful CO2 from the air into certified carbon-negative gemstones, Aether combines luxury jewelry with a measurable positive environmental impact. The company offers engagement rings, wedding bands, and other jewelry pieces crafted from air-derived diamonds, making it a pioneer in sustainable luxury. The Aether Diamonds brand was subsequently acquired by Grown Brilliance.

Summary

Aether Diamonds is a Climate Tech company based in New York, United States. It has raised $20.6M in total across 2 rounds, most recently a $18.0M Series A round in Mar 2022. Investors include Helena, Lowercarbon Capital and Kindred Ventures.

Tech & App Stack

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Funding History

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Series ASeries AMar 2022
$18.0M

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Seed through Series A — per-round amounts, valuations, and who invested in each round.

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