I called this model Adelaida. The vibe as i see it is something between Gothic and Art Nouveau. Decorated with three 3 mm diameter diamonds. It will look good with silver\whire gold and dark sapphires. There is no hoop for the chain, instead there is a space between the two crcle elements for it.
Dimensions of the model
Dimensions of the circle element
Dimensions of the triangle element
Weight(Approximate weight of the finished jewel)
If you have questions or requests about the model, feel free to contact me.