Emerald|Lab Grown|IGI

0.40ct D VS1 Emerald Lab Grown Diamond

VG • D/VS1 • IGI LG579388966

Certificate IGI LG579388966

Diamond specifications and retailer prices

From $280 USD
As of October 28, 2026
Save $50 USD (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $330 USD at Zales · As of October 28, 2026
View at Zales

About this 0.4ct lab-grown emerald diamond

This 0.4ct lab-grown emerald sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG579388966 or 579388966. Listed at 4 retailers as of October 28, 2026, with prices from $280 to $330, a $50 spread on the same certified stone. Zales lists it at $330. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG579388966
Dimensions5.10 × 3.71 × 2.20 mm
L/W Ratio1.37
Top View
5.10 mm3.71 mm0.40 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG579388966
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $294 USD|Low: $280 USD|High: $460 USD|Avg: $371 USD
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 3$280 USD
Retailer 1$294 USD
Retailer 2$330 USD
Zales$330 USD

12 data points across 4 retailers

4 retailers$280 USD to $330 USD

B+
Cheapest Retailer
-
$280 USD
B+
Retailer 2
-
$294 USD
View
B
Retailer 3
-
$330 USD
View
Most Expensive
B
Zales
517834040 · Oct 28
$330 USD
View
3 more retailers have this diamond
Prices start from $280 USDSave up to $50 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.40ct Emerald
$280 USD