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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 $1,246 SGD
$975 USD
As of October 30, 2026
Save $8,687 SGD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,933 SGD 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 $1,246 to $9,933, a $8,687 spread on the same certified stone. Brilliant Earth lists it at $9,933. 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: $9,933 SGD|Low: $1,246 SGD|High: $10,035 SGD|Avg: $3,205 SGD
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$1,246 SGD
Retailer 5$1,261 SGD
Retailer 4$1,528 SGD
Retailer 6$1,855 SGD
Retailer 3$2,200 SGD
Retailer 9$2,369 SGD
Retailer 10$3,830 SGD
Retailer 2$4,169 SGD
Retailer 8$5,822 SGD
Brilliant Earth$9,933 SGD

28 data points across 10 retailers

10 retailers$1,246 SGD to $9,933 SGD

A
Cheapest Retailer
-
$1,246 SGD
$975 USD
B+
Retailer 2
-
$1,261 SGD
$986 USD
View
A
Retailer 3
-
$1,528 SGD
€1,138 EUR
View
A
Retailer 4
-
$1,855 SGD
$1,451 USD
View
A
Retailer 5
-
$2,200 SGD
A$2,648 AUD
View
B+
Retailer 6
-
$2,369 SGD
$1,853 USD
View
Retailer 7
-
$3,830 SGD
A$4,609 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$4,169 SGD
£2,568 GBP
View
B
Retailer 9
-
$5,822 SGD
$4,554 USD
View
Most Expensive
B
Brilliant Earth
21028850A · Oct 29
$9,933 SGD
$7,770 USD
View
9 more retailers have this diamond
Prices start from $1,246 SGDSave up to $8,687 SGD

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
$1,246 SGD