How Much Should Lab-Grown Diamond Studs Cost?

There is no single correct price for lab-grown diamond stud earrings. The cost depends on the diamonds’ size and quality, whether each diamond has an independent grading report, the setting metal and construction, and the seller’s markup and customer protections.

As of September 2026, reasonable online retail prices for round lab-grown diamond studs set in 14K gold are approximately:

Total Carat Weight          Retail Range  

1.00 TCW                         $450 - $1,000                

2.00 TCW                         $700 - $1,400                

3.00 TCW                         $1,200 - $2,200                

4.00 TCW                         $1,700 - $3,000               

5.00 TCW                         $2,200 - $4,000                

These ranges are general guidelines—not guaranteed market prices. Sales, diamond quality, certification, platinum settings, special backs, and designer branding can move prices above or below them.

For example, a major online retailer currently lists:

          Total Carat Weight                    F-Color-VS2

          1.00 TCW                                   $895

           2.00 TCW                                   $1,195  IGI Certified

           3.00 TCW                                   $1,495  IGI Certified

           4.00 TCW                                   $1,995  IGI Certified

           5.00 TCW                                   $2,495  IGI Certified

          A difference of any two grades, up or down, will raise or lower retail prices.

Why can one pair cost much less?

  • Lower color or clarity grades

  • Inferior proportions or cutting

  • Diamonds that appear smaller than their stated weight

  • No independent grading reports

  • Broad quality ranges rather than exact grades

  • Poorly matched diamonds

  • Lightweight settings or lower-quality backs

  • Limited warranty or return protection

A lower price is not automatically a bargain. If the seller does not provide enough information, the buyer cannot determine whether the comparison is fair.