“ハイブリッドダイヤモンド”（天然＋ CVD 合成） の宝石学的研究

北脇 裕士; 江森 健太郎; 久永 美生; 山本 正博; 岡野 誠; 趙 政皓; Jayam Sonani; 原田 裕幸

doi:10.14915/gsj.45.0_16

2023 Annual Meeting

DOI https://doi.org/10.14915/gsj.45.0_16

Conference information

Host: The Gemmological Society of Japan

Abstracts of Lectures at 2023 Annual Meeting of the Gemmological Society of Japan

Gemological studies of Hybrid Diamonds (Natural + CVD synthetics)

*Hirohi Kitawaki, Kentaro Emori, Mio Hisanaga, Masahiro Yamamoto, Makoto Okano, Zhenghao Zhao, Jayam Sonani, Hiroyuki Harada

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Keywords: synthetic diamond, CVD-grown, Overgrowth

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Pages 16

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Abstract

In this report, we overgrown CVD synthetic diamonds on natural diamond substrates with a target thickness of 2000 μm, explored the possibility of commercial practicality, and performed gemological observations after cut-polishing.

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