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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 $497 NZD
$280 USD
As of October 30, 2026
Save $89 NZD (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $586 NZD at Zales · As of October 30, 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 30, 2026, with prices from $497 to $586, a $89 spread on the same certified stone. Zales lists it at $586. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $522 NZD|Low: $497 NZD|High: $816 NZD|Avg: $658 NZD
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 3$497 NZD
Retailer 1$522 NZD
Retailer 2$586 NZD
Zales$586 NZD

12 data points across 4 retailers

4 retailers$497 NZD to $586 NZD

B+
Cheapest Retailer
-
$497 NZD
$280 USD
B+
Retailer 2
-
$522 NZD
$294 USD
View
B
Retailer 3
-
$586 NZD
$330 USD
View
Most Expensive
B
Zales
517834040 · Oct 30
$586 NZD
$330 USD
View
3 more retailers have this diamond
Prices start from $497 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
$497 NZD