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Cushion|Lab Grown|IGI

4.00ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG834612706

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG834612706

Diamond specifications and retailer prices

From $1,275 SGD
€950 EUR
As of October 27, 2026
Save $6,357 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,632 SGD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion 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 LG834612706 or 834612706. Listed at 12 retailers as of October 26, 2026, with prices from $1,275 to $7,632, a $6,357 spread on the same certified stone. Brilliant Earth lists it at $7,632. 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 angle31.6°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612706
Dimensions10.54 × 8.86 × 5.24 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.54 mm8.86 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612706
Side View
Table 63.0%Crown 31.6°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 59.1%

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 27
Current: $7,632 SGD|Low: $638 SGD|High: $7,645 SGD|Avg: $2,159 SGD
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
October 27, 2026
Retailer 6$638 SGD
Retailer 5$688 SGD
Retailer 11$1,023 SGD
Retailer 12$1,151 SGD
Retailer 7$1,257 SGD
Retailer 2$1,275 SGD
Retailer 3$1,749 SGD
Retailer 9$1,778 SGD
Retailer 4$2,487 SGD
Retailer 13$2,547 SGD
Retailer 10$2,830 SGD
Retailer 8$2,947 SGD
Brilliant Earth$7,632 SGD

32 data points across 13 retailers

12 retailers$1,275 SGD to $7,632 SGD

Retailer 1
-
$638 SGD
£393 GBP
Price last confirmed 10 days ago
Retailer 2
-
$1,023 SGD
$800 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$1,151 SGD
$900 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$1,257 SGD
£774 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
$1,275 SGD
€950 EUR
View
Retailer 6
-
$1,749 SGD
$1,368 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$1,778 SGD
$1,391 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$2,487 SGD
$1,945 USD
View
Price last confirmed 10 days ago
Retailer 9
-
$2,547 SGD
$1,993 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$2,830 SGD
£1,743 GBP
View
Price last confirmed 16 days ago
Retailer 11
-
$2,947 SGD
$2,305 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21669687A · Oct 26
$7,632 SGD
$5,970 USD
View
11 more retailers have this diamond
Prices start from $1,275 SGDSave up to $6,357 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 Cushion
$1,275 SGD