What are the characteristics of synthetic rubies, and how can they be identified?

Category: Industry News

Release date: 2022-10-30

Summary: Natural rubies are among the most precious of all gemstones and enjoy widespread popularity. In particular, many middle-aged and older women have a special fondness for natural ruby jewelry.

　Natural rubies are among the most precious gemstones and enjoy widespread popularity. In particular, many middle-aged and older women favor natural ruby jewelry. Precisely because of their high demand and premium price, some sellers resort to unethical practices, passing off synthetic rubies as genuine ones. So what are the distinguishing features of synthetic rubies, and how can consumers tell the difference? Next, Diamond Bird, a brand renowned for its one‑of‑a‑kind diamond rings, will provide expert guidance on this topic.

　　Even color distribution
　　Although natural rubies are predominantly red in color, their hues vary in intensity, with smooth transitions between shades that appear entirely natural. In contrast, artificially produced rubies often exhibit a more uniform color, lacking subtle gradations and any sense of distinct layering.
　　Surface warmth
　　We all know that natural rubies have a cool, icy‑smooth feel on their surface; even in summer, holding a natural ruby in the palm of your hand will convey that refreshing chill. By contrast, synthetic rubies feel warm to the touch, a sensation that becomes especially pronounced during the warmer months.
　　Low hardness
　　Natural ruby is the hardest of all gemstones, with a hardness of around 9.0. In contrast, synthetic rubies fall far short of this level. To assess a gemstone’s hardness, you can gently scratch its surface with a relatively sharp object and observe whether any marks remain. Natural ruby typically shows no visible scratches, whereas synthetic ruby is much more prone to scratching.


　　Sharp-edged
　　The facets of synthetic gemstones are sharply defined, and a gentle touch reveals a slightly rough texture. In contrast, the facets of natural rubies are naturally formed and have a smooth surface; running your hand along their edges feels pleasantly smooth.
　　There are dark spots.
　　Some synthetic rubies contain noticeable black inclusions. In contrast, natural rubies may exhibit naturally occurring rust‑like inclusions, which are typically white in color.
　　Stretch marks are relatively curved.
　　The growth lines of natural rubies are straight and perpendicular to the crystal faces. In contrast, the growth lines of synthetic rubies are more curved, as they exhibit an inverted pear‑shaped growth pattern.
　　That concludes our overview of the key characteristics of lab‑grown rubies, brought to you by Diamond Bird’s certified diamond rings. In fact, for the average consumer, discerning the authenticity of a ruby and mastering the finer points of gem identification is no easy feat—it takes time and experience.

Keywords: What are the characteristics of synthetic rubies, and how can they be identified?

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