戒指 - 18K包金 白金 - 0.57ct. tw. 红宝石 - 钻石 - 红宝石订婚戒指

18K 白金/白金（18K）白金铂金？Ruby 无误。

18K white gold ruby and diamond engagement ring with a stated ruby weight of 0.43 carats and stated total diamond weight of 0.14 carats, presented as a classic colored gemstone engagement ring with diamond accents. The ring has an inner diameter of 20.1 mm, giving a calculated inner circumference of approximately 63.1 mm. This corresponds approximately to EU size 63, US size 10.25–10.5, and UK size U.

Listing size format: “Ring size approx. EU 63 / inner diameter 20.1 mm / inner circumference approx. 63.1 mm.”

This curated engagement ring combines the rich red presence of ruby with the brightness of diamonds, creating a traditional fine jewelry design with strong bridal and collector appeal. The 0.43 carat ruby gives the ring a defined central gemstone focus, while the 0.14 carats of diamonds add contrast, brilliance, and classic engagement-ring character.

Ruby is one of the most recognized precious gemstones, valued for its red color, durability, and long-standing use in fine jewelry. The combination of ruby and diamonds makes this ring suitable for engagement, anniversary wear, romantic gifting, estate jewelry collecting, or as a distinctive alternative to a traditional diamond-only engagement ring.

The white gold setting gives the ring a clean, elegant, and timeless appearance. White gold is especially desirable in ruby and diamond jewelry because it emphasizes the contrast between the red gemstone and the bright diamond accents. The result is a refined ring that works well with modern bridal jewelry, classic fine jewelry, and pre-owned estate jewelry collections.

The larger ring size is an important selling point. With an inner diameter of 20.1 mm and a calculated circumference of approximately 63.1 mm, the ring is approximately EU size 63, making it suitable for buyers specifically searching for larger ring sizes.

A strong auction lot for searches related to 18K white gold ruby ring, ruby and diamond engagement ring, 0.43 ct ruby ring, 0.14 ct diamond ring, ruby diamond ring, white gold engagement ring, colored gemstone engagement ring, natural ruby ring, diamond accent ruby ring, fine gemstone jewelry, estate ruby ring, pre-owned engagement ring, ring size EU 63, ring circumference 63.1 mm, ring diameter 20.1 mm, US size 10.5 ring, UK size U ring, larger size engagement ring, ruby bridal jewelry, anniversary ruby ring, and collectible fine jewelry.

This 18K white gold ruby and diamond engagement ring offers strong online discoverability by combining a desirable red gemstone center, diamond accents, white gold construction, and clear size information. With its stated 0.43 carat ruby, 0.14 carats of diamonds, 20.1 mm inner diameter, and calculated circumference of approximately 63.1 mm, the ring is well positioned for buyers seeking a larger-size ruby and diamond engagement ring with classic fine jewelry appeal.