Natural Gemstone Guide: Sapphire, Emerald, Ruby & More
TINCH's natural gemstone jewellery centers on four precious stones — blue sapphire, emerald, ruby, and yellow sapphire — alongside a rotating selection of trending colored gems like pink sapphire, tanzanite, and morganite. Each stone has its own character, and its own reasons buyers choose it beyond simply liking the color.
Blue Sapphire
Blue sapphire is a corundum gemstone (the same mineral family as ruby), prized for its deep blue color and durability — it's a 9 on the Mohs hardness scale, second only to diamond, which makes it an excellent choice for daily-wear rings. In Vedic astrology, blue sapphire is associated with Saturn and is a popular choice for those seeking its traditional benefits, alongside its simple visual appeal.
Emerald
Emerald is a variety of beryl known for its rich green color, but it's notably softer and more included than sapphire or ruby (typically 7.5–8 on the Mohs scale), so it needs more careful everyday handling — avoid ultrasonic cleaners and harsh knocks. Nearly all emeralds have some visible inclusions (sometimes called the “jardin,” French for garden), which is normal and doesn't indicate lower quality unless excessive.
Ruby
Ruby is corundum's red variety — chemically identical to sapphire, just with different trace elements producing the red color instead of blue. It shares sapphire's hardness and durability, making it another strong choice for rings meant for daily wear. Fine rubies with strong, even red color and good clarity are among the more valuable colored gemstones per carat.
Yellow Sapphire
Yellow sapphire shares blue sapphire's durability and corundum structure, with the color coming from different trace elements (primarily iron). In Vedic tradition, yellow sapphire is associated with Jupiter and is a commonly requested stone for that reason, in addition to its warm, versatile color that pairs well with both yellow and rose gold.
Buying Guide: What Actually Matters
Hardness affects everyday wearability — sapphire and ruby (9 on the Mohs scale) hold up well in rings worn daily; emerald (7.5–8) is better suited to earrings, pendants, or occasional-wear rings, or requires more careful handling if worn as a daily ring.
Color consistency matters more than size for colored gemstones — a smaller stone with rich, even, well-saturated color is generally more valuable and more attractive than a larger stone with a washed-out or uneven tone.
Natural gemstones can have visible inclusions, especially emerald — this is expected and doesn't mean the stone is lower quality unless the inclusions are extensive enough to affect durability or clarity to the eye.
Frequently Asked Questions
Which gemstone is most durable for a ring worn every day?
Blue sapphire and ruby, both at 9 on the Mohs hardness scale, are the most durable choices for daily-wear rings among TINCH's precious gemstone selection.
Is it normal for an emerald to have visible inclusions?
Yes, nearly all natural emeralds have some visible inclusions; this is expected and only affects value if excessive.
What is the difference between ruby and sapphire?
Both are corundum; ruby is the red variety and sapphire covers all other colors, including blue and yellow, with the color determined by trace elements.
Can I get a custom piece made with a specific gemstone?
Yes, TINCH takes custom gemstone requests via WhatsApp consultation, including stones beyond the core four shown on our site.
Are TINCH's gemstones natural or lab-created?
TINCH's gemstone jewellery uses natural gemstones, distinct from the lab-grown diamonds used across our diamond jewellery.