ื“ื™ืœื•ื’ ืœืชื•ื›ืŸ

ืขื’ืœืช ืงื ื™ื•ืช

ืขื’ืœืช ื”ืงื ื™ื•ืช ืฉืœืš ืจื™ืงื”

ืžืืžืจ: ๐Ÿ’Ž ืื™ืš ืœื–ื”ื•ืช ื™ื”ืœื•ื ืืžื™ืชื™ ืœืขื•ืžืช ื™ื”ืœื•ื ืกื™ื ืชื˜ื™

๐Ÿ’Ž ืื™ืš ืœื–ื”ื•ืช ื™ื”ืœื•ื ืืžื™ืชื™ ืœืขื•ืžืช ื™ื”ืœื•ื ืกื™ื ืชื˜ื™

๐Ÿ’Ž ืื™ืš ืœื–ื”ื•ืช ื™ื”ืœื•ื ืืžื™ืชื™ ืœืขื•ืžืช ื™ื”ืœื•ื ืกื™ื ืชื˜ื™

ื‘ืขื•ืœื ื”ืชื›ืฉื™ื˜ื™ื ืฉืœ ื”ื™ื•ื ื”ื”ื‘ื“ืœ ื‘ื™ืŸ ื™ื”ืœื•ื ืืžื™ืชื™ ืœื™ื”ืœื•ื ืกื™ื ืชื˜ื™ ื™ื›ื•ืœ ืœื”ื™ื•ืช ื“ืง ืžืื•ื“ ืœืขื™ืŸ ื‘ืœืชื™ ืžื™ื•ืžื ืช ืฉื ื™ื”ื ื ื•ืฆืฆื™ื ื™ืคื” ื•ืฉื ื™ื”ื ืขืฉื•ื™ื™ื ืคื—ืžืŸ ื˜ื”ื•ืจ ืื‘ืœ ื™ืฉ ื‘ื™ื ื™ื”ื ื”ื‘ื“ืœื™ื ืžืฉืžืขื•ืชื™ื™ื ืฉืžืฉืคื™ืขื™ื ืขืœ ื”ืขืจืš ืขืœ ื”ืื•ืชื ื˜ื™ื•ืช ื•ืขืœ ื”ื‘ื—ื™ืจื” ื”ื ื›ื•ื ื” ื›ืฉืงื•ื ื™ื ืชื›ืฉื™ื˜ ื™ื•ืงืจืชื™ ื—ืฉื•ื‘ ืœื“ืขืช ืื™ืš ืœื–ื”ื•ืช ืžื” ืืžื™ืชื™ ื•ืžื” ืœื

ืœื”ื‘ื™ืŸ ืงื•ื“ื ืžื”ื• ื™ื”ืœื•ื ืกื™ื ืชื˜ื™

ื™ื”ืœื•ื ืกื™ื ืชื˜ื™ ืื™ื ื• ื—ื™ืงื•ื™ ืืœื ื™ื”ืœื•ื ืืžื™ืชื™ ืžื‘ื—ื™ื ื” ื›ื™ืžื™ืช ืจืง ืฉื”ื•ื ื ื•ืฆืจ ื‘ืžืขื‘ื“ื” ื•ืœื ื‘ื˜ื‘ืข ืฉื ื™ ื”ืกื•ื’ื™ื ืขืฉื•ื™ื™ื ืžืื•ืชื• ื—ื•ืžืจ ื‘ืกื™ืกื™ ืคื—ืžืŸ ื’ื‘ื™ืฉื™ ืื‘ืœ ื”ืชื”ืœื™ืš ืฉื•ื ื” ื™ื”ืœื•ื ื˜ื‘ืขื™ ื ื•ืฆืจ ื‘ืžืฉืš ืžื™ืœื™ื•ื ื™ ืฉื ื™ื ื‘ืขื•ืžืง ื”ืื“ืžื” ื‘ืขื•ื“ ื™ื”ืœื•ื ืกื™ื ืชื˜ื™ ื ื•ืฆืจ ืชื•ืš ืฉื‘ื•ืขื•ืช ื‘ืžืขื‘ื“ื” ื‘ืชื ืื™ื ืžื‘ื•ืงืจื™ื ืฉืœ ืœื—ืฅ ื•ื—ื•ื ื’ื‘ื•ื”ื™ื

ื”ื™ื”ืœื•ืžื™ื ื”ืกื™ื ืชื˜ื™ื™ื ืžืชื—ืœืงื™ื ืœืฉื ื™ ืกื•ื’ื™ื ืขื™ืงืจื™ื™ื
CVD โ€“ Chemical Vapor Deposition
HPHT โ€“ High Pressure High Temperature

ืฉื ื™ื”ื ื ืจืื™ื ื›ืžืขื˜ ื–ื”ื™ื ืœื™ื”ืœื•ืžื™ื ื˜ื‘ืขื™ื™ื ืืš ื™ืฉ ื‘ื™ื ื™ื”ื ืกื™ืžื ื™ื ืฉื ื™ืชืŸ ืœื–ื”ื•ืช

ืกื™ืžื ื™ื ื—ื™ืฆื•ื ื™ื™ื ืฉืืคืฉืจ ืœื‘ื“ื•ืง ืœื‘ื“

ื™ืฉ ื›ืžื” ืžื‘ื—ื ื™ื ื‘ืกื™ืกื™ื™ื ืฉืืคืฉืจ ืœืขืฉื•ืช ื‘ื‘ื™ืช ืื• ื‘ืขื™ืŸ ื—ื“ื” ื›ื“ื™ ืœื”ื‘ื™ืŸ ืื ืžื“ื•ื‘ืจ ื‘ื™ื”ืœื•ื ืืžื™ืชื™

ื”ื‘ื“ื™ืงื” ืขื ื”ืื“ื™ื

ื ืฉืคื• ืขืœ ื”ื™ื”ืœื•ื ืื ื”ืื“ื™ื ื ืขืœืžื™ื ื›ืžืขื˜ ืžื™ื“ ื›ื ืจืื” ืฉืžื“ื•ื‘ืจ ื‘ื™ื”ืœื•ื ืืžื™ืชื™ ืื ื”ื ื ืฉืืจื™ื ืขืœ ื”ืื‘ืŸ ืœืฉื ื™ื™ื” ืื• ืฉืชื™ื™ื ื™ื™ืชื›ืŸ ืฉืžื“ื•ื‘ืจ ื‘ื™ื”ืœื•ื ืกื™ื ืชื˜ื™ ืื• ื‘ื–ื›ื•ื›ื™ืช

ื‘ื“ื™ืงืช ื”ืฉืงื™ืคื•ืช

ื”ื ื™ื—ื• ืืช ื”ืื‘ืŸ ืขืœ ืขื™ืชื•ืŸ ืื• ื“ืฃ ืขื ืื•ืชื™ื•ืช ืื ืืคืฉืจ ืœืงืจื•ื ื“ืจืš ื”ืื‘ืŸ ืื• ืœืจืื•ืช ืืช ื”ืื•ืชื™ื•ืช ื‘ื‘ื™ืจื•ืจ ื›ื ืจืื” ืฉื–ื” ืœื ื™ื”ืœื•ื ืืžื™ืชื™ ื™ื”ืœื•ื ื˜ื‘ืขื™ ืฉื•ื‘ึตืจ ืื•ืจ ื‘ืฆื•ืจื” ืฉืžื•ื ืขืช ืจืื™ื™ื” ื“ืจื›ื•

ื‘ื“ื™ืงืช ื”ื ื™ืฆื•ืฅ

ื™ื”ืœื•ื ืืžื™ืชื™ ืžื—ื–ื™ืจ ืื•ืจ ืœื‘ืŸ ื•ื ืงื™ ืขื ื‘ืจืง ื—ื“ ื™ื”ืœื•ื ืกื™ื ืชื˜ื™ ืœืขื™ืชื™ื ืžื—ื–ื™ืจ ืื•ืจ ืฆื‘ืขื•ื ื™ ืื• ืจืš ืžื“ื™

ื‘ื“ื™ืงื•ืช ืžืงืฆื•ืขื™ื•ืช ื‘ืžืขื‘ื“ื”

ื›ื“ื™ ืœื•ื•ื“ื ื‘ื•ื•ื“ืื•ืช ืžืœืื” ืžืฉืชืžืฉื™ื ื‘ืžื›ืฉื•ืจ ืžื™ื•ื—ื“ ื‘ืžืขื‘ื“ื•ืช ื’ืžื•ืœื•ื’ื™ื•ืช
ื‘ื“ื™ืงื•ืช UV ื™ื›ื•ืœื•ืช ืœื—ืฉื•ืฃ ื“ืคื•ืกื™ ืคืœื•ืื•ืจืกื ืฆื™ื” ืฉื•ื ื™ื ื‘ื™ืŸ ื™ื”ืœื•ื ื˜ื‘ืขื™ ืœืกื™ื ืชื˜ื™
ื‘ื“ื™ืงื•ืช ืกืคืงื˜ืจื•ืกืงื•ืคื™ื•ืช ืžื–ื”ื•ืช ื”ื‘ื“ืœื™ื ื‘ื”ืจื›ื‘ ื”ืคื ื™ืžื™
ื‘ื“ื™ืงืช โ€œGrowth Patternsโ€ ืžืืคืฉืจืช ืœืจืื•ืช ื“ืคื•ืกื™ ื’ื“ื™ืœื” ื™ื™ื—ื•ื“ื™ื™ื ืœื™ื”ืœื•ืžื™ื ืžืขื‘ื“ื”

ย ื‘ืจื•ื‘ ื”ืžืงืจื™ื ืจืง ืžื›ื•ืŸ ื’ืžื•ืœื•ื’ื™ ืžื•ืกืžืš ื›ืžื• GIA Gemological Institute of America ืื• IGI International Gemological Institute ื™ื›ื•ืœ ืœืืฉืจ ืกื•ืคื™ืช ืืช ืžืงื•ืจ ื”ืื‘ืŸ

ืชืขื•ื“ื” ื’ืžื•ืœื•ื’ื™ืช โ€“ ื”ื”ื•ื›ื—ื” ื”ื—ืฉื•ื‘ื” ื‘ื™ื•ืชืจ

ื›ืœ ื™ื”ืœื•ื ืืžื™ืชื™ ืฆืจื™ืš ืœื‘ื•ื ืขื ืชืขื•ื“ื” ืžื’ื•ืฃ ืžื•ื›ืจ ื‘ืขื•ืœื ื”ืชืขื•ื“ื” ืžืคืจื˜ืช ืืช ื”ื ืชื•ื ื™ื ืฉืœ ื”ืื‘ืŸ ื›ื•ืœืœ ืžืฉืงืœ ืฆื‘ืข ื ื™ืงื™ื•ืŸ ื•ืœื™ื˜ื•ืฉ ืื‘ืœ ื’ื ืžืฆื™ื™ื ืช ืื ืžื“ื•ื‘ืจ ื‘ื™ื”ืœื•ื ื˜ื‘ืขื™ ืื• ืกื™ื ืชื˜ื™ ื”ืชืขื•ื“ื” ื”ื™ื ื”ื“ืจืš ื”ื‘ื˜ื•ื—ื” ื‘ื™ื•ืชืจ ืœื•ื•ื“ื ืฉื”ืื‘ืŸ ืฉืงื™ื‘ืœืชื ืชื•ืืžืช ืœืžื” ืฉืฉื™ืœืžืชื ืขืœื™ื•

ืœืžื” ื–ื” ื—ืฉื•ื‘ ืœืงื ื™ื™ื” ืฉืœื›ื

ื™ื”ืœื•ืžื™ื ืกื™ื ืชื˜ื™ื™ื ื™ืคื™ื ืžืื•ื“ ื•ื™ื›ื•ืœื™ื ืœื”ื™ื•ืช ื‘ื—ื™ืจื” ืžืฆื•ื™ื ืช ืœืžื™ ืฉืžื—ืคืฉ ืžื—ื™ืจ ื ื’ื™ืฉ ื™ื•ืชืจ ืื• ื’ื™ืฉื” ื‘ืชึพืงื™ื™ืžื ืื‘ืœ ื›ืฉืืชื ืงื•ื ื™ื ืชื›ืฉื™ื˜ ื™ื•ืงืจืชื™ ื—ืฉื•ื‘ ืœื“ืขืช ื‘ื“ื™ื•ืง ืžื” ืืชื ืžืงื‘ืœื™ื ื™ื”ืœื•ื ื˜ื‘ืขื™ ืฉืžื’ื™ืข ืžื”ืื“ืžื” ื”ื•ื ื ื“ื™ืจ ื™ื•ืชืจ ื•ื‘ืขืœ ืขืจืš ื’ื‘ื•ื” ื™ื•ืชืจ ืœืื•ืจืš ื–ืžืŸ ื‘ืขื•ื“ ื™ื”ืœื•ื ืกื™ื ืชื˜ื™ ืขืฉื•ื™ ืœื”ื™ื•ืช ืคืชืจื•ืŸ ืžืฉืชืœื ืื‘ืœ ื”ืขืจืš ืฉืœื• ืฉื•ื ื”

ืœืกื™ื›ื•ื

ื”ื”ื‘ื“ืœ ื‘ื™ืŸ ื™ื”ืœื•ื ืืžื™ืชื™ ืœื™ื”ืœื•ื ืกื™ื ืชื˜ื™ ืื•ืœื™ ืœื ืชืžื™ื“ ื ืจืื” ื‘ืขื™ืŸ ืื‘ืœ ื‘ื”ื—ืœื˜ ืžืฉืžืขื•ืชื™ ืžื‘ื—ื™ื ืช ืขืจืš ื•ืื•ืชื ื˜ื™ื•ืช ื”ื“ืจืš ื”ื‘ื˜ื•ื—ื” ื‘ื™ื•ืชืจ ืœื“ืขืช ื”ื™ื ืœื‘ืงืฉ ืชืขื•ื“ื” ืžืžื›ื•ืŸ ื’ืžื•ืœื•ื’ื™ ืžื•ื›ืจ ื•ืœืจื›ื•ืฉ ืจืง ืžืžืงื•ื .ืืžื™ืŸ ืขื ืฉืงื™ืคื•ืช ืžืœืื”

ย 

ืงืจื ืขื•ื“

๐Ÿ’Ž ื”ืื ื›ื“ืื™ ืœื”ืฉืงื™ืข ื‘ื™ื”ืœื•ืžื™ื โ€“ ืœื ืจืง ืœืงื ื•ืช ื›ืชื›ืฉื™ื˜

๐Ÿ’Ž ื”ืื ื›ื“ืื™ ืœื”ืฉืงื™ืข ื‘ื™ื”ืœื•ืžื™ื โ€“ ืœื ืจืง ืœืงื ื•ืช ื›ืชื›ืฉื™ื˜

ื‘ืขื•ืœื ืฉื‘ื• ืฉื•ืง ื”ื”ืฉืงืขื•ืช ืžืฉืชื ื” ื›ืœ ื”ื–ืžืŸ ื™ื•ืชืจ ื•ื™ื•ืชืจ ืื ืฉื™ื ืžื—ืคืฉื™ื ืืœื˜ืจื ื˜ื™ื‘ื•ืช ืœืขืจื•ืฆื™ื ื”ืžืกื•ืจืชื™ื™ื ื›ืžื• ืžื ื™ื•ืช ื ื“ืœืŸ ืื• ืžื˜ื‘ืขื•ืช ื“ื™ื’ื™ื˜ืœื™ื™ื ืื—ื“ ื”ืชื—ื•ืžื™ื ืฉืžื•ืฉื›ื™ื ืชืฉื•ืžืช ืœื‘ ื‘ืฉื ื™ื ื”ืื—ืจื•ื ื•ืช ื”ื•ื ื”ืฉืงืขื” ื‘ื™ื”ืœื•ืžื™ื ืœื ืจืง ื›ืชื›ืฉ...

ืœืงืจื•ื ืขื•ื“