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Oval|Lab Grown|IGI

4.04ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG645423290

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645423290

Diamond specifications and retailer prices

From $504 USD
As of October 29, 2026
Save $2,117 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,080 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.04ct lab-grown oval diamond

This 4.04ct 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 LG645423290 or 645423290. Listed at 16 retailers as of October 29, 2026, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.04
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645423290
Dimensions13.53 × 8.97 × 5.46 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.53 mm8.97 mm4.04 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645423290
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

Caratlytics Score

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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 29
Current: $7,080 USD|Low: $484 USD|High: $7,290 USD|Avg: $1,665 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5$504 USD
Retailer 11$564 USD
Retailer 14$583 USD
Retailer 15$625 USD
Retailer 16$625 USD
Retailer 3$720 USD
Retailer 6$971 USD
Retailer 7$1,023 USD
Retailer 10$1,038 USD
Retailer 2$1,040 USD
Retailer 12$1,612 USD
Retailer 4$1,643 USD
Retailer 8$2,067 USD
Retailer 9$2,621 USD
Retailer 13$2,935 USD
Brilliant Earth$7,080 USD

37 data points across 16 retailers

16 retailers$504 USD to $2,621 USD

A
Cheapest Retailer
-
$504 USD
A
Retailer 2
-
$564 USD
View
Retailer 3
-
$583 USD
£459 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
$625 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$625 USD
View
A
Retailer 6
-
$720 USD
View
B+
Retailer 7
-
$971 USD
View
A
Retailer 8
-
$1,023 USD
View
Retailer 9
-
$1,038 USD
€989 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$1,040 USD
£819 GBP
View
B
Retailer 11
-
$1,612 USD
View
B+
Retailer 12
-
$1,643 USD
View
B
Retailer 13
-
$2,067 USD
View
B
Retailer 14
-
$2,621 USD
£2,064 GBP
View
Retailer 15
-
$2,935 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
11352070A · Oct 29
$7,080 USD
View
Price under review
15 more retailers have this diamond
Prices start from $504 USDSave up to $2,117 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
4.04ct Oval
$504 USD