CaratHunter
Plans
Cushion|Lab Grown|IGI

1.21ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825640157

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825640157

Diamond specifications and retailer prices

From $764 SGD
$596 USD
As of October 28, 2026
Save $2,790 SGD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,553 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct lab-grown cushion diamond

This 1.21ct 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 LG825640157 or 825640157. Listed at 11 retailers as of October 28, 2026, with prices from $764 to $3,553, a $2,790 spread on the same certified stone. MOH London lists it at $3,553. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825640157
Dimensions7.54 × 5.25 × 3.65 mm
L/W Ratio1.44
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
7.54 mm5.25 mm1.21 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825640157
Side View
Table 65.0%Crown 33.8°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
A+
Exceptional
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 28
Current: $3,553 SGD|Low: $764 SGD|High: $3,960 SGD|Avg: $1,688 SGD|-10.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8$764 SGD
Retailer 3$889 SGD
Retailer 5$919 SGD
Retailer 10$981 SGD
Retailer 7$1,134 SGD
Retailer 4$1,278 SGD
Retailer 2$1,314 SGD
Retailer 6$1,455 SGD
Retailer 11$2,559 SGD
Retailer 9$2,676 SGD
MOH London$3,553 SGD

23 data points across 11 retailers

11 retailers$764 SGD to $3,553 SGD

A+
Cheapest Retailer
-
$764 SGD
$596 USD
Final sale: no returns
Retailer 2
-
$889 SGD
$694 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$919 SGD
HK$5,600 HKD
View
A
Retailer 4
-
$981 SGD
$765 USD
View
A
Retailer 5
-
$1,134 SGD
$885 USD
View
A
Retailer 6
-
$1,278 SGD
€950 EUR
View
A
Retailer 7
-
$1,314 SGD
£807 GBP
View
B+
Retailer 8
-
$1,455 SGD
ZAR 18,340 ZAR
View
Retailer 9
-
$2,559 SGD
£1,572 GBP
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$2,676 SGD
View
Most Expensive
B
MOH London
LG825640157 · Oct 29
$3,553 SGD
£2,183 GBP
View
10 more retailers have this diamond
Prices start from $764 SGDSave up to $2,790 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+
1.21ct Cushion
$764 SGD