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 $975 USD
As of October 28, 2026
Save $6,795 USD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,770 USD 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 28, 2026, with prices from $975 to $7,770, a $6,795 spread on the same certified stone. Brilliant Earth lists it at $7,770. 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
Color
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 28
Current: $7,770 USD|Low: $975 USD|High: $7,850 USD|Avg: $2,507 USD
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$975 USD
Retailer 5$986 USD
Retailer 4$1,195 USD
Retailer 6$1,451 USD
Retailer 3$1,721 USD
Retailer 9$1,853 USD
Retailer 10$2,996 USD
Retailer 2$3,261 USD
Retailer 8$4,554 USD
Brilliant Earth$7,770 USD

28 data points across 10 retailers

10 retailers$975 USD to $7,770 USD

A
Cheapest Retailer
-
$975 USD
B+
Retailer 2
-
$986 USD
View
A
Retailer 3
-
$1,195 USD
€1,138 EUR
View
A
Retailer 4
-
$1,451 USD
View
A
Retailer 5
-
$1,721 USD
A$2,648 AUD
View
B+
Retailer 6
-
$1,853 USD
View
B+
Retailer 7
-
$2,996 USD
A$4,609 AUD
View
Price last confirmed 20 days ago
B
Retailer 8
-
$3,261 USD
£2,568 GBP
View
B
Retailer 9
-
$4,554 USD
View
Most Expensive
B
Brilliant Earth
21028850A · Oct 29
$7,770 USD
View
9 more retailers have this diamond
Prices start from $975 USDSave up to $6,795 USD

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
$975 USD