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 $596 USD
As of October 28, 2026
Save $2,176 USD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,772 USD 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 $596 to $2,772, a $2,176 spread on the same certified stone. MOH London lists it at $2,772. 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
Color
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

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A+
Exceptional
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 28
Current: $2,772 USD|Low: $596 USD|High: $3,090 USD|Avg: $1,317 USD|-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$596 USD
Retailer 3$694 USD
Retailer 5$717 USD
Retailer 10$765 USD
Retailer 7$885 USD
Retailer 4$998 USD
Retailer 2$1,025 USD
Retailer 6$1,135 USD
Retailer 11$1,996 USD
Retailer 9$2,088 USD
MOH London$2,772 USD

23 data points across 11 retailers

11 retailers$596 USD to $2,772 USD

A+
Cheapest Retailer
-
$596 USD
Final sale: no returns
Retailer 2
-
$694 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$717 USD
HK$5,600 HKD
View
A
Retailer 4
-
$765 USD
View
A
Retailer 5
-
$885 USD
View
A
Retailer 6
-
$998 USD
€950 EUR
View
A
Retailer 7
-
$1,025 USD
£807 GBP
View
B+
Retailer 8
-
$1,135 USD
ZAR 18,340 ZAR
View
Retailer 9
-
$1,996 USD
£1,572 GBP
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$2,088 USD
SGD 2,821 SGD
View
Most Expensive
B
MOH London
LG825640157 · Oct 29
$2,772 USD
£2,183 GBP
View
10 more retailers have this diamond
Prices start from $596 USDSave up to $2,176 USD

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
$596 USD