If dainty is your thing, you will love this diamond necklace from Lily & Roo.
It is available in either 9k white or yellow gold. They note, “Featuring three genuine diamonds mounted in solid 9ct white gold, our floating diamond cluster necklace adds just the right amount of sparkle to any outfit. This necklace has an extendable solid white gold chain that can be worn with 16inch (41cm) or extended to 18inch (46cm), making it perfect for layering. With its timeless design, our floating diamond cluster necklace is a beautiful gift for that someone special.”
This is priced at USD$444.