A股培育钻石板块午后走高，曼卡龙20cm涨停，潮宏基涨超7%，四方达涨超6%，黄河旋风涨超4%，力量钻石涨超3%。

Core Viewpoint - The A-share cultivated diamond sector experienced a significant rise in the afternoon, with multiple companies reaching notable gains in their stock prices [1] Company Performance - Mankalon reached a 20% limit up in stock price [1] - Chaohongji saw an increase of over 7% [1] - Sifangda experienced a rise of over 6% [1] - Huanghe Xuanfeng increased by over 4% [1] - Liliang Diamond rose by over 3% [1]