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Cushion|Lab Grown|IGI

1.03ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818662845

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818662845

Diamond specifications and retailer prices

From $460 SGD
$360 USD
As of October 30, 2026
Save $1,598 SGD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,058 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818662845 or 818662845. Listed at 15 retailers as of October 30, 2026, with prices from $460 to $2,058, a $1,598 spread on the same certified stone. Brilliant Earth lists it at $2,058. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662845
Dimensions6.09 × 6.09 × 3.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.09 mm6.09 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662845
Side View
Table 60.0%Crown 34.6°Girdle: MediumPavilion 39.1°Culet: NoneDepth 62.6%

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 30
Current: $2,058 SGD|Low: $460 SGD|High: $2,787 SGD|Avg: $1,225 SGD|-26.1%
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
Retailer 15
October 31, 2026
Retailer 15$460 SGD
Retailer 9$540 SGD
Retailer 7$570 SGD
Retailer 8$773 SGD
Retailer 14$795 SGD
Retailer 3$826 SGD
Retailer 10$831 SGD
Retailer 12$875 SGD
Retailer 2$902 SGD
Retailer 5$910 SGD
Retailer 6$1,681 SGD
Retailer 4$1,695 SGD
Retailer 13$2,021 SGD
Retailer 11$2,052 SGD
Brilliant Earth$2,058 SGD

37 data points across 15 retailers

15 retailers$460 SGD to $2,058 SGD

A
Cheapest Retailer
-
$460 SGD
$360 USD
Final sale: no returns
A
Retailer 2
-
$540 SGD
£333 GBP
View
Retailer 3
-
$570 SGD
$446 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$773 SGD
$605 USD
View
A
Retailer 5
-
$795 SGD
$622 USD
View
A
Retailer 6
-
$826 SGD
$646 USD
View
A
Retailer 7
-
$831 SGD
€619 EUR
View
A
Retailer 8
-
$875 SGD
ZAR 11,058 ZAR
View
A
Retailer 9
-
$902 SGD
£555 GBP
View
A
Retailer 10
-
$910 SGD
$712 USD
View
Retailer 11
-
$1,681 SGD
$1,315 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,695 SGD
$1,326 USD
View
B
Retailer 13
-
$2,021 SGD
$1,581 USD
View
B
Retailer 14
-
$2,052 SGD
£1,264 GBP
View
Most Expensive
B
Brilliant Earth
21242374A · Oct 30
$2,058 SGD
$1,610 USD
View
14 more retailers have this diamond
Prices start from $460 SGDSave up to $1,598 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
1.03ct Cushion
$460 SGD