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Round|Lab Grown|IGI

4.31ct E VS2 Round Lab Grown Diamond

ID • E/VS2

Diamond specifications and retailer prices

From $1,845 NZD
$1,036 USD
As of October 29, 2026
Save $5,737 NZD (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,581 NZD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 4.31ct lab-grown round diamond

This 4.31ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 29, 2026, with prices from $1,845 to $7,581, a $5,737 spread on the same certified stone. Blue Nile lists it at $7,581. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.31
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.51 × 10.55 × 6.42 mm
L/W Ratio1.00
Top View
10.51 mm10.55 mm4.31 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $7,581 NZD|Low: $990 NZD|High: $7,581 NZD|Avg: $3,613 NZD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 19, 2026
Retailer 3$1,020 NZD
Retailer 2$1,845 NZD
Retailer 4$3,677 NZD
Retailer 5$4,857 NZD
Blue Nile$7,581 NZD

8 data points across 5 retailers

3 retailers$1,845 NZD to $7,581 NZD

A
Cheapest Retailer
-
$1,845 NZD
$1,036 USD
B
Retailer 2
-
$4,857 NZD
CA$3,788 CAD
View
Most Expensive
B
Blue Nile
16514133 · Oct 29
$7,581 NZD
$4,258 USD
View
2 more retailers have this diamond
Prices start from $1,845 NZDSave up to $5,737 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.

A
4.31ct Round
$1,845 NZD