by milton333 » May 7, 2012 I know, another sapphire thread, but this is a bit different question. I am toying with sourcing 4-6 marquise-shaped sapphires for a future project, and have seen some interesting vintage/second-hand/ebay cluster rings with marquise-shaped sapphires. My question - do I need to be concerned about synthetics? Is there an age/time period that is more likely to get me real sapphires? I'm not really concerned about treatments, I'm just looking for very small but real marquise-shaped sapphires.