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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 $1,388 AUD
$975 USD
As of October 30, 2026
Save $9,672 AUD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,060 AUD 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 $1,388 to $11,060, a $9,672 spread on the same certified stone. Brilliant Earth lists it at $11,060. 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: $11,060 AUD|Low: $1,388 AUD|High: $11,174 AUD|Avg: $3,569 AUD
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$1,388 AUD
Retailer 5$1,403 AUD
Retailer 4$1,701 AUD
Retailer 6$2,065 AUD
Retailer 3$2,450 AUD
Retailer 9$2,638 AUD
Retailer 10$4,264 AUD
Retailer 2$4,642 AUD
Retailer 8$6,483 AUD
Brilliant Earth$11,060 AUD

28 data points across 10 retailers

10 retailers$1,388 AUD to $11,060 AUD

A
Cheapest Retailer
-
$1,388 AUD
$975 USD
B+
Retailer 2
-
$1,403 AUD
$986 USD
View
A
Retailer 3
-
$1,701 AUD
€1,138 EUR
View
A
Retailer 4
-
$2,065 AUD
$1,451 USD
View
A
Retailer 5
-
$2,450 AUD
View
B+
Retailer 6
-
$2,638 AUD
$1,853 USD
View
Retailer 7
-
$4,264 AUD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$4,642 AUD
£2,568 GBP
View
B
Retailer 9
-
$6,483 AUD
$4,554 USD
View
Most Expensive
B
Brilliant Earth
21028850A · Oct 29
$11,060 AUD
$7,770 USD
View
9 more retailers have this diamond
Prices start from $1,388 AUDSave up to $9,672 AUD

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
$1,388 AUD