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Cushion|Lab Grown|IGI

1.05ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG816612616

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

Certificate IGI LG816612616

Diamond specifications and retailer prices

From $433 SGD
$339 USD
As of October 30, 2026
Save $1,868 SGD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,301 SGD at Brilliant Earth · As of October 31, 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 LG816612616 or 816612616. Listed at 13 retailers as of October 30, 2026, with prices from $433 to $2,301, a $1,868 spread on the same certified stone. Brilliant Earth lists it at $2,301. 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 angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612616
Dimensions5.94 × 5.81 × 3.95 mm
L/W Ratio1.02
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
5.94 mm5.81 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612616
Side View
Table 59.0%Crown 36.1°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 68.0%

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: $2,301 SGD|Low: $353 SGD|High: $2,736 SGD|Avg: $1,266 SGD|-15.9%
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 31, 2026
Retailer 12$433 SGD
Retailer 4$539 SGD
Retailer 7$729 SGD
Retailer 2$783 SGD
Retailer 13$786 SGD
Retailer 11$813 SGD
Retailer 9$827 SGD
Retailer 6$848 SGD
Retailer 3$1,607 SGD
Retailer 5$1,713 SGD
Retailer 8$1,939 SGD
Retailer 10$1,948 SGD
Brilliant Earth$2,301 SGD

37 data points across 13 retailers

13 retailers$433 SGD to $2,301 SGD

A
Cheapest Retailer
-
$433 SGD
$339 USD
Final sale: no returns
A
Retailer 2
-
$539 SGD
$422 USD
View
A
Retailer 3
-
$729 SGD
$570 USD
View
A
Retailer 4
-
$783 SGD
€583 EUR
View
A
Retailer 5
-
$786 SGD
$615 USD
View
A
Retailer 6
-
$813 SGD
$636 USD
View
A
Retailer 7
-
$827 SGD
ZAR 10,449 ZAR
View
A
Retailer 8
-
$848 SGD
£522 GBP
View
B+
Retailer 9
-
$1,607 SGD
$1,257 USD
View
Retailer 10
-
$1,713 SGD
$1,340 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$1,939 SGD
£1,194 GBP
View
B
Retailer 12
-
$1,948 SGD
$1,524 USD
View
Most Expensive
B
Brilliant Earth
21018568A · Oct 31
$2,301 SGD
$1,800 USD
View
12 more retailers have this diamond
Prices start from $433 SGDSave up to $1,868 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
$433 SGD