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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 HK$3,853 HKD
$491 USD
As of October 30, 2026
Save HK$17,901 HKD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$21,753 HKD 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 HK$3,853 to HK$21,753, a HK$17,901 spread on the same certified stone. MOH London lists it at HK$21,753. 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: HK$21,753 HKD|Low: HK$3,853 HKD|High: HK$24,245 HKD|Avg: HK$10,416 HKD|-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 30, 2026
Retailer 4HK$3,853 HKD
Retailer 6HK$4,720 HKD
Retailer 3HK$5,445 HKD
Retailer 2HK$5,728 HKD
Retailer 10HK$6,002 HKD
Retailer 5HK$7,055 HKD
Retailer 7HK$7,827 HKD
Retailer 8HK$8,908 HKD
Retailer 11HK$15,665 HKD
Retailer 9HK$16,380 HKD
MOH LondonHK$21,753 HKD

23 data points across 11 retailers

11 retailersHK$3,853 HKD to HK$21,753 HKD

A
Cheapest Retailer
-
HK$3,853 HKD
$491 USD
Final sale: no returns
A
Retailer 2
-
HK$4,720 HKD
View
Retailer 3
-
HK$5,445 HKD
$694 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
HK$5,728 HKD
$730 USD
View
A
Retailer 5
-
HK$6,002 HKD
$765 USD
View
A
Retailer 6
-
HK$7,055 HKD
£708 GBP
View
A
Retailer 7
-
HK$7,827 HKD
€950 EUR
View
B+
Retailer 8
-
HK$8,908 HKD
ZAR 18,340 ZAR
View
Retailer 9
-
HK$15,665 HKD
£1,572 GBP
View
Price last confirmed 14 days ago
B+
Retailer 10
-
HK$16,380 HKD
SGD 2,821 SGD
View
Most Expensive
B
MOH London
LG825640157 · Oct 29
HK$21,753 HKD
£2,183 GBP
View
10 more retailers have this diamond
Prices start from HK$3,853 HKDSave up to HK$17,901 HKD

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
HK$3,853 HKD