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Cushion|Lab Grown|IGI

1.05ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818640096

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818640096

Diamond specifications and retailer prices

From $653 SGD
$511 USD
As of October 30, 2026
Save $2,198 SGD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,851 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct 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 LG818640096 or 818640096. Listed at 17 retailers as of October 29, 2026, with prices from $653 to $2,851, a $2,198 spread on the same certified stone. Brilliant Earth lists it at $2,851. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640096
Dimensions6.97 × 5.36 × 3.58 mm
L/W Ratio1.30
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
6.97 mm5.36 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640096
Side View
Table 65.0%Crown 34.7°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,851 SGD|Low: $653 SGD|High: $3,408 SGD|Avg: $1,610 SGD|-0.4%
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 14$653 SGD
Retailer 13$736 SGD
Retailer 15$881 SGD
Retailer 5$905 SGD
Retailer 7$908 SGD
Retailer 4$1,004 SGD
Retailer 2$1,059 SGD
Retailer 9$1,199 SGD
Retailer 12$1,245 SGD
Retailer 10$1,530 SGD
Retailer 6$1,784 SGD
Retailer 8$2,357 SGD
Retailer 3$2,368 SGD
Retailer 16$2,574 SGD
Retailer 11$2,676 SGD
Brilliant Earth$2,851 SGD

39 data points across 16 retailers

17 retailers$653 SGD to $2,851 SGD

A
Cheapest Retailer
-
$653 SGD
$511 USD
Final sale: no returns
A
Retailer 2
-
$736 SGD
HK$4,500 HKD
View
A
Retailer 3
-
$881 SGD
$689 USD
View
A
Retailer 4
-
$905 SGD
$708 USD
View
A
Retailer 5
-
$908 SGD
$710 USD
View
A
Retailer 6
-
$1,004 SGD
$785 USD
View
A
Retailer 7
-
$1,059 SGD
€789 EUR
View
B+
Retailer 8
-
$1,199 SGD
£739 GBP
View
B+
Retailer 9
-
$1,245 SGD
ZAR 15,729 ZAR
View
B+
Retailer 10
-
$1,530 SGD
$1,197 USD
View
Retailer 11
-
$1,672 SGD
$1,308 USD
View
Price last confirmed 52 days ago
B+
Retailer 12
-
$1,784 SGD
View
Retailer 13
-
$2,357 SGD
£1,452 GBP
View
Price last confirmed 15 days ago
B
Retailer 14
-
$2,368 SGD
$1,853 USD
View
B
Retailer 15
-
$2,574 SGD
$2,013 USD
View
B
Retailer 16
-
$2,676 SGD
£1,648 GBP
View
Most Expensive
B
Brilliant Earth
21086526A · Oct 29
$2,851 SGD
$2,230 USD
View
16 more retailers have this diamond
Prices start from $653 SGDSave up to $2,198 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
1.05ct Cushion
$653 SGD