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Round|Lab Grown|IGI

4.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG673407355

Shape and cutting style on the report: Round brilliant

Certificate IGI LG673407355

Diamond specifications and retailer prices

From $713 SGD
$558 USD
As of October 31, 2026
Save $4,183 SGD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,896 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4ct lab-grown round diamond

This 4ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG673407355 or 673407355. Listed at 14 retailers as of October 29, 2026, with prices from $713 to $4,896, a $4,183 spread on the same certified stone. Brilliant Earth lists it at $4,896. 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

4.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673407355
Dimensions10.18 × 10.11 × 6.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm10.11 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673407355
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

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 31
Current: $4,896 SGD|Low: $713 SGD|High: $5,510 SGD|Avg: $1,857 SGD|-11.1%
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
October 31, 2026
Retailer 2$713 SGD
Retailer 3$713 SGD
Retailer 8$895 SGD
Retailer 14$917 SGD
Retailer 4$1,119 SGD
Retailer 7$1,153 SGD
Retailer 10$1,176 SGD
Retailer 5$1,240 SGD
Retailer 6$1,551 SGD
Retailer 12$1,916 SGD
Retailer 9$2,292 SGD
Retailer 11$2,633 SGD
Retailer 13$2,902 SGD
Brilliant Earth$4,896 SGD

36 data points across 14 retailers

14 retailers$713 SGD to $4,896 SGD

Retailer 1
-
$713 SGD
$558 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$713 SGD
$558 USD
View
A
Retailer 3
-
$895 SGD
$700 USD
View
Retailer 4
-
$917 SGD
£565 GBP
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$1,119 SGD
$875 USD
View
A
Retailer 6
-
$1,153 SGD
€859 EUR
View
A
Retailer 7
-
$1,176 SGD
£724 GBP
View
A
Retailer 8
-
$1,240 SGD
$970 USD
View
B+
Retailer 9
-
$1,551 SGD
$1,213 USD
View
B
Retailer 10
-
$1,916 SGD
$1,499 USD
View
B+
Retailer 11
-
$2,292 SGD
$1,793 USD
View
B
Retailer 12
-
$2,633 SGD
£1,622 GBP
View
Retailer 13
-
$2,902 SGD
$2,270 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
12844998A · Oct 29
$4,896 SGD
$3,830 USD
View
13 more retailers have this diamond
Prices start from $713 SGDSave up to $4,183 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
4.00ct Round
$713 SGD