スクラッチテストでダイヤモンドが本物か偽物かを見分ける方法
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ダイヤモンドが本物か偽物かを確認する方法
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ダイヤモンドが本物か偽物かを見分ける方法(拡大鏡を使って)
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ダイヤモンドが本物か偽物かを見分ける方法(スクラッチテスト!)
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ダイヤモンドの品質の良し悪しを見分ける方法 #shorts
😨FLUORESCENT DIAMONDS 💎 #fluorescence #diamond #uv #light #shorts
モアッサナイトはダイヤモンドテスターに合格するか!?!