
Trillion Diamond Solitaire Ring – Trillion Diamond Engagement Ring - 18k yellow gold
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A solitaire engagement ring built around a single 5 mm trillion-cut diamond of roughly 0.3 ct, graded F–G color and VS clarity, set on a slim 2 mm band in 18k yellow gold. The triangular stone is the whole point: its sharp corners and flat facets give a geometric, modern look that a round brilliant does not. It suits shoppers who want a minimal, architectural ring rather than a halo or pavé design, and who accept a smaller carat weight in exchange for a distinctive cut. Compared with typical solitaire rivals, it offers a more unusual silhouette but less sparkle spread and fewer off-the-shelf size options, since Capucinne makes each ring to order and allows custom gemstone swaps.
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This solitaire ring has a single trillion-cut white diamond in a classic setting. The diamond is 5 mm and about 0.3 ct, with F–G color and VS clarity. The clean design shows off the sharp geometry of the triangular stone.
The band is a solitaire style, 2 mm wide. The ring can be used as an engagement ring or a minimalist wedding ring. It can be made with gemstones of your choosing.












