It would be worse than paring down the PittDiamond to fit the old setting of a Dowager's ring.
Uso de regent diamond en inglés
1
Ever since, the RegentDiamond has adorned the regalia of France.
2
Since then it has remained in the same family, its pride, its patrimonial jewel, its Regentdiamond.
3
She wore the famous Regentdiamond, which belongs to the French Crown, in her corsage, and a superb diamond tiara and necklace.
4
To the priest, the list of relics was more eloquent than the Regentdiamond on the hilt and the Kohinoor on the scabbard.
5
The Queen also examined the French Crown jewels, the crown bearing the renowned Regentdiamond, which, though less large than the Koh-i-noor, is more brilliant.