Best DIAMOND CUT COMPARISON GRADES: Excellent vs Very Good, Ideal, Hearts & Arrows. Quality & Prices
GIA Excellent Cut Diamond Comparison
ダイヤモンド: GIA エクセレント vs GIA ベリーグッド
なぜこれら 3 つのダイヤモンドはこれほど異なって見えるのでしょうか? (スーパーイデアルカットvsイデアルカットvsGIAトリプルEXC)
なぜ超理想的なカットなのか?
Shootout: Super Ideal Cut Diamond vs a GIA Triple Excellent Cut.
ダイヤモンドのカット - 品質と価格の比較 - ハートと矢の説明
どちらがより良いダイヤモンドかわかりますか?どちらも同じGIA証明書グレード
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