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Emerald|Lab Grown|IGI

0.40ct D VS1 Emerald Lab Grown Diamond

GD • D/VS1 • IGI LG579389019

Certificate IGI LG579389019

Diamond specifications and retailer prices

From $499 NZD
$280 USD
As of October 28, 2026
Save $89 NZD (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $588 NZD 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 standard cut grade and certified by IGI LG579389019 or 579389019. Listed at 4 retailers as of October 28, 2026, with prices from $499 to $588, a $89 spread on the same certified stone. Zales lists it at $588. 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
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG579389019
Dimensions5.12 × 3.61 × 2.18 mm
L/W Ratio1.42
Top View
5.12 mm3.61 mm0.40 ctD / VS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG579389019
Side View
Table 69.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.4%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $524 NZD|Low: $499 NZD|High: $819 NZD|Avg: $661 NZD
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 3$499 NZD
Retailer 1$524 NZD
Retailer 2$588 NZD
Zales$588 NZD

12 data points across 4 retailers

4 retailers$499 NZD to $588 NZD

B+
Cheapest Retailer
-
$499 NZD
$280 USD
B
Retailer 2
-
$524 NZD
$294 USD
View
B
Retailer 3
-
$588 NZD
$330 USD
View
Most Expensive
B
Zales
517833688 · Oct 28
$588 NZD
$330 USD
View
3 more retailers have this diamond
Prices start from $499 NZDSave up to $89 NZD

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
$499 NZD