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Oval|Lab Grown|IGI

4.08ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG809614139

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809614139

Diamond specifications and retailer prices

From $946 USD
As of October 30, 2026
Save $1,604 USD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,550 USD at MOH London · As of October 29, 2026
View at MOH London

About this 4.08ct lab-grown oval diamond

This 4.08ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG809614139 or 809614139. Listed at 6 retailers as of October 29, 2026, with prices from $946 to $2,550, a $1,604 spread on the same certified stone. MOH London lists it at $2,550. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.08
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809614139
Dimensions12.62 × 9.02 × 5.72 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.62 mm9.02 mm4.08 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809614139
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

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 30
Current: $2,550 USD|Low: $899 USD|High: $2,567 USD|Avg: $1,514 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$946 USD
Retailer 3$960 USD
Retailer 2$1,010 USD
Retailer 5$1,018 USD
Retailer 7$1,980 USD
Retailer 6$2,100 USD
MOH London$2,550 USD

38 data points across 7 retailers

6 retailers$946 USD to $2,550 USD

B+
Cheapest Retailer
-
$946 USD
A
Retailer 2
-
$1,010 USD
£795 GBP
View
A
Retailer 3
-
$1,018 USD
View
B
Retailer 4
-
$1,980 USD
View
B
Retailer 5
-
$2,100 USD
View
Most Expensive
B
MOH London
LG809614139 · Oct 29
$2,550 USD
£2,008 GBP
View
5 more retailers have this diamond
Prices start from $946 USDSave up to $1,604 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
4.08ct Oval
$946 USD