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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 $644 SGD
$504 USD
As of October 29, 2026
Save $2,707 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,051 SGD 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
Colour
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: $9,051 SGD|Low: $619 SGD|High: $9,320 SGD|Avg: $2,126 SGD|-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 31, 2026
Retailer 5$644 SGD
Retailer 12$721 SGD
Retailer 15$746 SGD
Retailer 3$799 SGD
Retailer 16$799 SGD
Retailer 9$978 SGD
Retailer 6$1,241 SGD
Retailer 7$1,308 SGD
Retailer 2$1,318 SGD
Retailer 11$1,328 SGD
Retailer 13$2,061 SGD
Retailer 4$2,100 SGD
Retailer 8$2,642 SGD
Retailer 10$3,351 SGD
Retailer 14$3,752 SGD
Brilliant Earth$9,051 SGD

38 data points across 16 retailers

16 retailers$644 SGD to $3,351 SGD

A
Cheapest Retailer
-
$644 SGD
$504 USD
A
Retailer 2
-
$721 SGD
$564 USD
View
Retailer 3
-
$746 SGD
£459 GBP
View
Price last confirmed 14 days ago
Retailer 4
-
$799 SGD
$625 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$799 SGD
$625 USD
View
A
Retailer 6
-
$978 SGD
$765 USD
View
B+
Retailer 7
-
$1,241 SGD
$971 USD
View
A
Retailer 8
-
$1,308 SGD
$1,023 USD
View
A
Retailer 9
-
$1,318 SGD
£812 GBP
View
Retailer 10
-
$1,328 SGD
€989 EUR
View
Price last confirmed 8 days ago
B
Retailer 11
-
$2,061 SGD
$1,612 USD
View
B+
Retailer 12
-
$2,100 SGD
$1,643 USD
View
B
Retailer 13
-
$2,642 SGD
$2,067 USD
View
B
Retailer 14
-
$3,351 SGD
£2,064 GBP
View
Retailer 15
-
$3,752 SGD
$2,935 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
11352070A · Oct 29
$9,051 SGD
$7,080 USD
View
Price under review
15 more retailers have this diamond
Prices start from $644 SGDSave up to $2,707 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
4.04ct Oval
$644 SGD