Product overview
What you're actually getting
This is a bulk wholesale lot from Kanta Incorporation containing roughly 150-200 pieces of natural faceted semi-precious gemstones, described in the listing as ranging from about 3 carats down to smaller sizes, for a combined 500+ carats. Per the brand and reseller listings, the mix can include garnet, blue topaz, peridot, amethyst, citrine, smoky topaz, green onyx, carnelian, white topaz, and lemon topaz, cut in a variety of shapes (oval, round, pear, teardrop, square, trillion, cushion, emerald), and graded 'A+' with expected natural inclusions.
Kanta Incorporation states the lot comes with tags indicating origin and a money-back guarantee that the stones are 100% mined, real natural gemstones. It is marketed toward jewelry designers, hobbyists, crafters, collectors, and gem enthusiasts buying in bulk rather than shoppers looking for a small curated set.
Unlike the GemMartUSA listing above, we found genuinely mixed customer sentiment for this specific product. Multiple reviewers reported quality issues including misshapen or odd facets and visible air bubbles inside some stones, and some buyers felt this created a gap between the 'natural mined gemstone' description and what they actually received — with a few feeling the presentation overstated the quality for resale purposes. Other buyers were satisfied, describing the stones as clear and usable for jewelry projects, and some requested (but did not always receive) an itemized list of exactly which stones were included in their lot.
Air bubbles are a specific, checkable red flag worth understanding: natural gemstones do not contain true gas bubbles the way glass does — inclusions in natural stones look like fractures, mineral crystals, or feathers, not spherical bubbles. If multiple independent buyers are describing bubble-like inclusions, that is a meaningful signal to look closely at your own shipment for that same issue, or to treat some portion of a large mixed lot as possibly non-natural filler material, rather than dismissing it as one-off feedback.
There is no independent gemological lab testing publicly available for this listing, and the 'money-back guarantee of mined, real natural gemstones' is a seller policy, not third-party verification. Given the reported mix of misshapen facets and bubble-like inclusions from more than one buyer, this is the one 'natural gemstone' listing among the five we researched where we'd flag actual buyer skepticism about the authenticity claim, not just an absence of lab paperwork.
For crafters buying in bulk purely for volume and low per-carat cost, this can still make sense, since even a lot with some questionable pieces yields plenty of usable stones at this scale. But if authenticity per-stone matters, the reported complaints here are more specific and more concerning than what we found for the other genuine-stone listings in this comparison.
Key Listed Features
Roughly 150-200 pieces of mixed natural semi-precious stones, 500+ carats combined
Mix of stone types (garnet, topaz, peridot, amethyst, citrine, and others) and shapes (oval, round, pear, trillion, cushion, emerald)
A+ grade with expected natural inclusions
Seller money-back guarantee on the 'natural mined gemstone' claim
Reported mixed customer reviews, including specific complaints about misshapen facets and bubble-like inclusions
Product image from current catalog data


