No. To the naked eye and even under a jeweler’s loupe, they are identical. They share the same chemical (Carbon), physical, and optical properties. Only specialized laboratory equipment can tell them apart.

Never. Just like natural diamonds, lab-grown diamonds are 10/10 on the Mohs scale and will maintain their brilliance, fire, and clarity forever.

Moissanite has a higher "Refractive Index" than a diamond, which creates a "double-refraction" effect. This results in more "rainbow flashes" or "fire," especially under natural sunlight.

No, Moissanite is a unique gemstone in its own right. While it looks similar to a diamond, it has different mineral properties and offers a more affordable, ethical alternative for those who love maximum sparkle.

Natural Alexandrite is one of the rarest gems on Earth. Its unique "color-change" ability (turning from green to red) makes it a collector's dream. At Signora Jewels, we offer Lab-Alexandrite to provide that same magic at a fraction of the cost.

Yes! With a hardness of 8.5, it is very durable and suitable for everyday wear, making it a popular choice for unique, non-traditional engagement rings.

Emeralds (7.5-8 hardness) are softer than Diamonds or Sapphires. While they are beautiful for daily wear, they require extra care. We recommend removing your emerald jewelry before heavy activities like gardening or gym sessions.

Heat treatment is a standard industry practice to enhance color and clarity. Most of our colored gemstones are heat-treated unless specified as "Unheated/Natural." We always provide full transparency on stone treatments.

Absolutely. All our primary stones are accompanied by a certificate from reputable labs like GIA, IGI, or SGL, ensuring you get exactly what you pay for.

Yes, we provide fully insured, trackable express shipping to both the USA and UK. Your jewelry is protected from our facility until it reaches your doorstep.