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 $871 NZD
$491 USD
As of October 30, 2026
Save $4,048 NZD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,919 NZD 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 $871 to $4,919, a $4,048 spread on the same certified stone. MOH London lists it at $4,919. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,919 NZD|Low: $871 NZD|High: $5,444 NZD|Avg: $2,301 NZD|-9.6%
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 8$871 NZD
Retailer 9$1,067 NZD
Retailer 5$1,180 NZD
Retailer 3$1,231 NZD
Retailer 7$1,295 NZD
Retailer 2$1,513 NZD
Retailer 4$1,595 NZD
Retailer 10$2,014 NZD
Retailer 6$3,064 NZD
Retailer 11$3,542 NZD
MOH London$4,919 NZD

24 data points across 11 retailers

11 retailers$871 NZD to $4,919 NZD

A
Cheapest Retailer
-
$871 NZD
$491 USD
Final sale: no returns
A
Retailer 2
-
$1,067 NZD
HK$4,700 HKD
View
A
Retailer 3
-
$1,180 NZD
$665 USD
View
Retailer 4
-
$1,231 NZD
$694 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$1,295 NZD
$730 USD
View
A
Retailer 6
-
$1,513 NZD
€812 EUR
View
A
Retailer 7
-
$1,595 NZD
£708 GBP
View
B+
Retailer 8
-
$2,014 NZD
ZAR 18,340 ZAR
View
B+
Retailer 9
-
$3,064 NZD
SGD 2,334 SGD
View
Retailer 10
-
$3,542 NZD
£1,572 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG825640157 · Oct 29
$4,919 NZD
£2,183 GBP
View
10 more retailers have this diamond
Prices start from $871 NZDSave up to $4,048 NZD

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
$871 NZD