メレサイズ合成カラー・ダイヤモンドの鑑別

江森 健太郎; 久永 美生; 山本 正博; 北脇 裕士

doi:10.14915/gsj.46.0_1

2024 Annual Meeting

DOI https://doi.org/10.14915/gsj.46.0_1

Conference information

Host: The Gemmological Society of Japan

Abstracts of Lectures at 2024 Annual Meeting of the Gemmological Society of Japan

Identification of melee-sized fancy color synthetic diamonds

*Kentaro Emori, Mio Hisanaga, Masahiro Yamamoto, Hiroshi Kitawaki

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Keywords: melee size, synthetic diamond, fancy color diamond, CVD, HPHT

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Abstract

We obtained and examined melee-sized fancy color synthetic diamonds of various colours. They were obtained as CVD synthetic diamonds, but we found that they were mixed with HPHT and CVD synthetic diamonds and had undergone complex treatments such as irradiation and HPHT treatment.

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