Product image from current catalog dataProduct overview
What you're actually getting
GemMartUSA's 50+ Carat Wholesale Lot (model MX-60001-50) is a random assortment of roughly 20-30 loose semi-precious stones sold by total carat weight rather than by specific gem type. According to the brand's own product listing and its website (gemmartusa.com), the mix can include garnet, blue topaz, peridot, citrine, smoky topaz, green onyx, carnelian, white topaz, lemon topaz, and amethyst in oval, round, pear, cushion, and marquise cuts, roughly 4-8mm in size — though the exact stones you receive are not guaranteed, since the lot is described as a random pull from stock.
GemMartUSA states it is a 15-year, family-run gemstone wholesaler and that each order ships with a signed Certificate of Authenticity and a gemstone identification guide, and that its team includes GIA-trained gemologists who run lab checks on incoming stock. We could not independently verify these lab-testing claims with a third-party source — they come from the company's own 'About Us' page, not an outside audit or a GIA report, so treat them as the seller's representation rather than confirmed fact.
The listing is explicit that the stones are 100% natural — no glass, plastic, or synthetic material — which is a meaningfully different and more specific claim than the vague 'gemstone' language used by some competing wholesale-lot listings. That said, 'natural' does not mean flawless: GemMartUSA's own product grade is 'A+ with natural inclusions,' meaning visible internal characteristics are expected and normal for this price tier, not a defect.
Customer feedback we found (via Amazon reviews referenced in aggregator listings) is mostly positive — buyers report a good variety of stones, decent polish, and fast shipping for the price. One notable exception: at least one buyer who ordered a larger 100-carat lot said customer service told them to expect several chipped or damaged pieces in a mixed lot, and recommended a higher-priced, curated lot if they needed every stone to be usable. That's a useful data point for calibrating expectations on any 'wholesale mix' listing, including this 50-carat one.
There is no independent gemological lab report (GIA, AGS, or similar) publicly available for this specific lot, which is normal for a sub-$60 mixed-carat product — professional grading typically isn't done stone-by-stone at this price point. Buyers should treat the 'A+' and carat-weight claims as seller-graded, not third-party certified.
Overall, this is one of the more transparent options in the mixed-lot category because it names specific likely stone types and states plainly that no synthetic material is used. It suits crafters and hobbyists who want real, low-cost natural stones for practice or small settings, not buyers who need a specific named gem or investment-grade clarity.
Key Listed Features
20-30 loose semi-precious stones totaling 50+ carats, sold by weight rather than by specific gem
Stated 100% natural material — brand explicitly excludes glass, plastic, and synthetic stones
Mixed shapes (oval, round, pear, cushion, marquise) roughly 4-8mm
Includes a signed Certificate of Authenticity and a gemstone identification guide, per the brand
Brand claims 15 years in business and GIA-trained staff (seller-stated, not independently verified)
A+ grade with natural inclusions, typical for this price tier
