| Caption | Photo credit: SSEF GemTrack™ is a service linking cut stones to the rough stones from which they originated, using gemmological techniques |
| Source | June Hong Kong Jewellery & Gem Fair |
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六月香港珠宝首饰展览会珠宝鉴定区将展示最新的科创成果 六月香港珠寶首飾展覽會珠寶鑑定區將展示最新的科創成果 Gem labs to present latest innovations at the June Fair |