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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 £732 GBP
$975 USD
As of October 28, 2026
Save £5,103 GBP (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,835 GBP 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 £732 to £5,835, a £5,103 spread on the same certified stone. Brilliant Earth lists it at £5,835. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £5,835 GBP|Low: £732 GBP|High: £5,895 GBP|Avg: £1,883 GBP
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£732 GBP
Retailer 5£740 GBP
Retailer 4£897 GBP
Retailer 6£1,090 GBP
Retailer 3£1,293 GBP
Retailer 9£1,392 GBP
Retailer 10£2,250 GBP
Retailer 2£2,449 GBP
Retailer 8£3,420 GBP
Brilliant Earth£5,835 GBP

28 data points across 10 retailers

10 retailers£732 GBP to £5,835 GBP

A
Cheapest Retailer
-
£732 GBP
$975 USD
B+
Retailer 2
-
£740 GBP
$986 USD
View
A
Retailer 3
-
£897 GBP
€1,138 EUR
View
A
Retailer 4
-
£1,090 GBP
$1,451 USD
View
A
Retailer 5
-
£1,293 GBP
A$2,648 AUD
View
B+
Retailer 6
-
£1,392 GBP
$1,853 USD
View
B+
Retailer 7
-
£2,250 GBP
A$4,609 AUD
View
Price last confirmed 21 days ago
B
Retailer 8
-
£2,449 GBP
View
B
Retailer 9
-
£3,420 GBP
$4,554 USD
View
Most Expensive
B
Brilliant Earth
21028850A · Oct 29
£5,835 GBP
$7,770 USD
View
9 more retailers have this diamond
Prices start from £732 GBPSave up to £5,103 GBP

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
£732 GBP