This ring from Lee Renee Jewellery is available in a number of options. You can opt for sterling silver, 9 carat yellow or rose gold, or 18k yellow or rose gold vermeil. The diamond weight is not indicated.

The lowest price is for the sterling silver version, on sale at the time of writing for USD$181. The highest price is for the 9 carat gold, at USD$357 (also a sale price).