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 €439 EUR
$491 USD
As of October 30, 2026
Save €2,042 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,482 EUR 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 29, 2026, with prices from €439 to €2,482, a €2,042 spread on the same certified stone. MOH London lists it at €2,482. 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
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: €2,482 EUR|Low: €439 EUR|High: €2,766 EUR|Avg: €1,176 EUR|-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 31, 2026
Retailer 6€439 EUR
Retailer 8€538 EUR
Retailer 2€595 EUR
Retailer 3€621 EUR
Retailer 5€653 EUR
Retailer 7€805 EUR
Retailer 9€893 EUR
Retailer 10€1,016 EUR
Retailer 4€1,546 EUR
Retailer 11€1,787 EUR
MOH London€2,482 EUR

24 data points across 11 retailers

11 retailers€439 EUR to €2,482 EUR

A
Cheapest Retailer
-
€439 EUR
$491 USD
Final sale: no returns
A
Retailer 2
-
€538 EUR
HK$4,700 HKD
View
A
Retailer 3
-
€595 EUR
$665 USD
View
Retailer 4
-
€621 EUR
$694 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
€653 EUR
$730 USD
View
A
Retailer 6
-
€805 EUR
£708 GBP
View
A
Retailer 7
-
€893 EUR
View
B+
Retailer 8
-
€1,016 EUR
ZAR 18,340 ZAR
View
B+
Retailer 9
-
€1,546 EUR
SGD 2,334 SGD
View
Retailer 10
-
€1,787 EUR
£1,572 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG825640157 · Oct 29
€2,482 EUR
£2,183 GBP
View
10 more retailers have this diamond
Prices start from €439 EURSave up to €2,042 EUR

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
€439 EUR