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Cushion|Lab Grown|IGI

3.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG668409647

Shape and cutting style on the report: Cushion modified brilliant cut

Certificate IGI LG668409647

Diamond specifications and retailer prices

From $459 SGD
$359 USD
As of October 31, 2026
Save $4,284 SGD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,743 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct 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 LG668409647 or 668409647. Listed at 10 retailers as of October 29, 2026, with prices from $459 to $4,743, a $4,284 spread on the same certified stone. Brilliant Earth lists it at $4,743. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668409647
Dimensions9.18 × 7.52 × 5.18 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.18 mm7.52 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668409647
Side View
Table 59.0%Crown 38.1°Girdle: STK-VTKPavilion 32.8°Culet: NoneDepth 68.9%

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: $4,743 SGD|Low: $459 SGD|High: $4,743 SGD|Avg: $1,359 SGD|+7.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10$459 SGD
Retailer 9$523 SGD
Retailer 8$793 SGD
Retailer 5$835 SGD
Retailer 2$914 SGD
Retailer 6$915 SGD
Retailer 4$922 SGD
Retailer 3$1,246 SGD
Retailer 7$2,107 SGD
Brilliant Earth$4,743 SGD

42 data points across 10 retailers

10 retailers$459 SGD to $4,743 SGD

A
Cheapest Retailer
-
$459 SGD
$359 USD
Final sale: no returns
A
Retailer 2
-
$523 SGD
$409 USD
View
A
Retailer 3
-
$793 SGD
$620 USD
View
B+
Retailer 4
-
$835 SGD
$653 USD
View
A
Retailer 5
-
$914 SGD
£563 GBP
View
A
Retailer 6
-
$915 SGD
€682 EUR
View
A
Retailer 7
-
$922 SGD
$721 USD
View
A
Retailer 8
-
$1,246 SGD
$975 USD
View
B+
Retailer 9
-
$2,107 SGD
£1,298 GBP
View
Most Expensive
B
Brilliant Earth
13161186A · Oct 29
$4,743 SGD
$3,710 USD
View
9 more retailers have this diamond
Prices start from $459 SGDSave up to $4,284 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
3.03ct Cushion
$459 SGD