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天然钻石协会:2025实验室培育钻石研究报告(中译版)(16页).pdf

上传人: Kell****reet 编号:725535 2025-07-14 16页 3.95MB

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1、1Diamond ReportsLABORATORY-GROWN DIAMOND FACTSSummaryQUICK FACTSCOVER IMAGE:Unpolished laboratory-grown diamonds created through Chemical Vapour Deposition method(CVD)|DIAMOND REPORTS:Laboratory-Grown DiamondsLaboratory-grown diamonds are mass-produced in potentially unlimited quantities within days

2、 or weeks in factories located primarily in China and India.Natural diamonds are rare gemstones that formed deep within the Earth up to 3.7 billion years ago.Laboratory-grown diamonds are manufactured products that have the same crystal structure as natural diamonds and have nearly the same chemical

3、,physical and optical properties when polished.They are not identical to natural diamonds and are always distinguishable with professional equipment*.*Gemological Institute of America.Available at:https:/4cs.gia.edu/en-us/simulants-moissanite-and-lab-grown-diamonds/SOURCES:Laboratory-grown diamonds

4、and natural diamonds have very different creation processes.IMAGE CREDIT:GIAUnpolished laboratory-grown diamonds created via High Pressure High Temperature(HPHT)method.IMAGE:Unpolished laboratory-grown diamonds created via Chemical Vapour Deposition(CVD)method.3MANUFACTURING LABORATORY-GROWN DIAMOND

5、S REQUIRES LARGE AMOUNTS OF ENERGY IN ORDER TO SUSTAIN FOR DAYS/WEEKS TEMPERATURES UPWARDS OF AROUND.AND LARGE AMOUNTS OF WATER TO COOL REACTORS.2,000 F(DEGREES FAHRENHEIT)*VS1 clarity,FGH colourOVER70%ARE PRODUCED IN CHINA AND INDIA WHERE MOST GRID ELECTRICITY IS GENERATED FROM FOSSIL FUELS(COAL).O

6、NLY A FEW LABORATORY-GROWN DIAMONDS ARE PRODUCED USING RENEWABLE ENERGY.Three terms can be used in the marketing of laboratory-grown diamonds:laboratory-grown diamonds laboratory-created diamonds andsynthetic diamonds.*Can vary according to national regulation.Approved Terminology OnlyIMAGE CREDIT:E

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根据报告的内容,本文主要概括了实验室培育钻石的相关知识,包括以下关键点: 1. 实验室培育钻石是通过高压高温(HPHT)和化学气相沉积(CVD)两种方法在几周到几天内大量生产的,与天然钻石形成过程不同。 2. 实验室培育钻石与天然钻石在晶体结构、化学成分、物理和光学性质上相似,但并非完全相同,可以通过专业设备区分。 3. 实验室培育钻石的可持续性声明存在误导,其生产过程耗能大,大部分在中国和印度生产,主要使用化石燃料发电。 4. 实验室培育钻石的价格自2018年以来大幅下降,1克拉圆形近无色钻石批发价下降95%,零售价下降76%。 5. 零售商必须明确声明所售钻石为实验室培育钻石,不能使用“天然”、“真实”等词汇误导消费者。 6. 实验室培育钻石与天然钻石是两个不同的产品类别,不应简单比较,消费者应获取准确信息,做出明智选择。
实验室培育钻石真的环保吗? 实验室培育钻石价格为何大跌? 实验室培育钻石与天然钻石有何区别?
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