How to Choose Loose Gemstones on Gems N Gems
Gems N Gems sells loose gemstones in three broad categories—natural, lab-created, and cubic zirconia—and most listings are priced as a range rather than a single figure, because each stone has multiple variants you select on the product page. To choose well, decide first whether you need a natural or lab-created stone, then narrow by gem type, shape, and quality grade, and finally open the product page to pick the specific variant and confirm the price that applies to it.
Start with the natural vs. lab-created decision
This is the choice that affects everything downstream: budget, appearance, and how you describe the stone later.
- Natural gemstones are mined. On the site's featured selection these include Natural Tanzanite (Round, AAA) and Natural Aquamarine (Round, AAA).
- Lab-created gemstones are grown in a laboratory but share the same optical and physical properties as their natural counterparts. Examples on the site include Lab Created Diamond (CVD, Round, DEF color, VVS quality), Lab Created Pulled Czochralski Ruby (Round), Lab Created Pulled Czochralski Blue Sapphire (Cushion), Lab Created Hydrothermal Colombian Emerald (Octagon), Lab Created Hydrothermal Emerald (Oval), Lab Created Moissanite (AAA, Round, DEF color), and Lab Created Pulled Czochralski Blue Paraiba (Cushion).
- Lab-created rough is also sold, for example Lab Created Blue Sapphire Rough, which is a single-price item rather than a range.
If the stone is for a piece you intend to resell or insure as "natural," that constraint decides the category for you. If you care mainly about color, cut, and size for a given budget, lab-created stones usually give you more stone per dollar.
Match the gem type to your purpose
Different gems suit different jobs. Use the site's own featured categories as a starting point:
| If your purpose is… | Consider | Why |
|---|---|---|
| Engagement or fine jewelry center stone | Lab Created Diamond (CVD), Lab Created Moissanite | Both are listed with DEF color and VVS or AAA quality, the top grades shown on the site |
| Color-forward statement pieces | Lab Created Ruby, Blue Sapphire, Blue Paraiba, Colombian Emerald | These are the saturated "icon" stones the site highlights |
| A natural stone for collectors or traditional settings | Natural Tanzanite, Natural Aquamarine | The two natural varieties featured on the homepage |
| Practice cuts, casting tests, or budget production | Lab Created Blue Sapphire Rough | Sold as rough material at a single price |
Read the price range correctly
Most listings show a range, for example:
- Lab Created Diamond CVD, Round: $21.49 – $2,597.01
- Lab Created Pulled Czochralski Ruby, Round: $29.15 – $3,980.00
- Lab Created Pulled Czochralski Blue Sapphire, Cushion: $25.50 – $1,220.00
- Lab Created Hydrothermal Colombian Emerald, Octagon: $29.70 – $1,199.00
- Lab Created Moissanite AAA, Round DEF: $23.15 – $470.15
- Lab Created Hydrothermal Emerald, Oval: $26.15 – $245.00
- Natural Tanzanite, Round AAA: $28.00 – $1,795.00
- Natural Aquamarine, Round AAA: $23.80 – $990.00
- Lab Created Pulled Czochralski Blue Paraiba, Cushion: $29.15 – $1,220.00
- Lab Created Blue Sapphire Rough: $90.00 (single price)
The low end of a range is not the price of the stone you see in the photo—it is the price of the smallest or lowest-grade variant in that listing. The actual price depends on the options you select. Treat the range as a budget bracket, not a quote.
Steps to pick and buy a stone
- Filter by category first. Decide natural, lab-created, or CZ before browsing, so you don't compare across categories by price alone.
- Open the product page. Each listing states that it "has multiple variants" and that options are chosen on the product page.
- Select your variant. Choose the size, shape, and quality combination you need. The price updates to reflect that specific combination.
- Check availability. If a variant can be selected and added to cart, it is orderable; if not, that combination is not currently offered.
- Confirm the total before checkout. Because the displayed range is wide, verify the price shown for your exact selection rather than the headline range.
Common pitfalls
- Comparing a range's low end to another stone's actual price. A $21.49 floor on a diamond listing does not mean a one-carat diamond costs $21.49.
- Assuming "lab-created" means lower quality. The site lists lab-created stones at DEF color and VVS quality—grades that describe the stone, not its origin.
- Ignoring shape. Round, cushion, oval, and octagon cuts are listed separately and are not interchangeable for a setting already designed for one shape.
- Skipping the variant step. The homepage price is a range; only the product page gives you the price you will pay.
If you tell me your intended use (ring center stone, pendant, collection piece) and a budget ceiling, I can narrow this to two or three specific listings to compare.