This 14K yellow gold O Thongthai sapphire signet ring features a square sapphire in the centre weighing 1.13 carats, maker's marks on the inner band and is encrusted with smaller sapphires totalling an additional 1.13 carats. Sapphires are said to signify holiness for royals, but let's not enter into debate about one's divine right to rule. Slip that O Thongthai ring on your pinky and bask in the subsequent adoration.

O Thongthai 14kt gold and sapphire signet ring

This 14K yellow gold O Thongthai chain sapphire diamond ring features a band of alternating links, in both polished finishes and adorned with pavé white diamonds. The centrepiece is a 2.7 carat fancy cut sapphire. Blue may be a cold colour, but this O Thongthai ring is giving us nothing but warm feelings.

O Thongthai 14kt sapphire diamond chain-link ring

This 14K yellow gold O Thongthai tsavorite diamond signet ring is cast with a wide, polished band. The hexagonal top plate is inlaid with black onyx surrounded by a ridged border, with its centrepiece a green tsavorite framed with pavé white diamonds. O Thongthai makes jewellery fit for a Disney villain. While they may not be the kindest, many of them do have an enviable sense of style.

O Thongthai 14kt yellow gold tsavorite diamond signet ring

14K yellow goldPolished finishTapered signet bandPavé and bezel settingRound-cut blue sapphire totalling 1.13 caratCushion-cut blue sapphire totalling 1.13 caratHallmarked in the United Kingdom at the London Assay Office

O Thongthai14K Yellow Gold Sapphire Ring

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O Thongthai 14kt gold and sapphire signet ring

O Thongthai 14K Yellow Gold Sapphire Ring