好奇看了一眼， 这个价格应当不是真ruby. 或是注玻璃，or ruby doublet.

rubylet 

所有跟帖： 

• what I see here: 不是facet 切割 是半圆石，有inclusions 杂质lack of clarity -西风-西风- ♀ (0 bytes) () 12/26/2018 postreply 14:39:49

• what is ruby doublet: clear quartz on top of ruby base with adhe -西风-西风- ♀ (0 bytes) () 12/26/2018 postreply 14:42:50

• adhesive. (glue) . also a lot of new opal made with same way. -西风-西风- ♀ (0 bytes) () 12/26/2018 postreply 14:43:48

• 高倍放大镜下， 侧面一看就知道是两块粘起来的 -螺丝螺帽- ♀ (31 bytes) () 12/26/2018 postreply 14:49:42

• right! -西风-西风- ♀ (0 bytes) () 12/26/2018 postreply 15:05:13