No Treatment

0.84ct Padparadscha Hexagon Cut Madagascar Sapphire

2.43ct Color-Change Spinel Rectangle Radiant

1.20ct Teal Montana Sapphire Square Radiant Cut

1.28ct Blue Montana Sapphire Round

1.82ct Green Montana Sapphire Marquise Cut

1.69ct Tsavorite Garnet Cushion

1.91ct Malaya Garnet Round

5.14ct Umbalite Garnet Hexagon

1.50ct Deep Teal Green Madagascar Sapphire Marquise

3.12ct Dark Teal Nigerian Sapphire Rectangle Radiant Cut

0.91ct Green Montana Sapphire Round

2.09ct Tanzanian Green Sapphire Radiant Cut