| Clue | Source | Date |
|---|---|---|
| Engagement ring option | LA Times Daily | 22 Oct 2025 |
| Diamond shape fit for royalty | ||
| Square diamond style with pointed corners | USA Today | 30 Dec 2024 |
| Square diamond shape | Universal | 26 Dec 2020 |
| Type of set diamond | Universal | 07 Oct 2017 |
| Type of set diamond |