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Oval|Lab Grown|IGI

3.90ct D VS2 Oval Lab Grown Diamond

ID • D/VS2 • IGI LG815645500

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815645500

Diamond specifications and retailer prices

From $1,736 NZD
$975 USD
As of October 30, 2026
Save $12,098 NZD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,834 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.9ct lab-grown oval diamond

This 3.9ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815645500 or 815645500. Listed at 10 retailers as of October 29, 2026, with prices from $1,736 to $13,834, a $12,098 spread on the same certified stone. Brilliant Earth lists it at $13,834. 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

3.90
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815645500
Dimensions12.99 × 8.92 × 5.38 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.99 mm8.92 mm3.90 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815645500
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $13,834 NZD|Low: $1,736 NZD|High: $13,977 NZD|Avg: $4,464 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$1,736 NZD
Retailer 5$1,756 NZD
Retailer 4$2,128 NZD
Retailer 6$2,584 NZD
Retailer 3$3,065 NZD
Retailer 9$3,300 NZD
Retailer 10$5,334 NZD
Retailer 2$5,807 NZD
Retailer 8$8,109 NZD
Brilliant Earth$13,834 NZD

28 data points across 10 retailers

10 retailers$1,736 NZD to $13,834 NZD

A
Cheapest Retailer
-
$1,736 NZD
$975 USD
B+
Retailer 2
-
$1,756 NZD
$986 USD
View
A
Retailer 3
-
$2,128 NZD
€1,138 EUR
View
A
Retailer 4
-
$2,584 NZD
$1,451 USD
View
A
Retailer 5
-
$3,065 NZD
A$2,648 AUD
View
B+
Retailer 6
-
$3,300 NZD
$1,853 USD
View
Retailer 7
-
$5,334 NZD
A$4,609 AUD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$5,807 NZD
£2,568 GBP
View
B
Retailer 9
-
$8,109 NZD
$4,554 USD
View
Most Expensive
B
Brilliant Earth
21028850A · Oct 29
$13,834 NZD
$7,770 USD
View
9 more retailers have this diamond
Prices start from $1,736 NZDSave up to $12,098 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
3.90ct Oval
$1,736 NZD