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Cushion|Lab Grown|IGI

1.22ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG808638760

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG808638760

Diamond specifications and retailer prices

From $661 SGD
$517 USD
As of October 30, 2026
Save $927 SGD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,122 SGD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 1.22ct lab-grown cushion diamond

This 1.22ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG808638760 or 808638760. Listed at 5 retailers as of October 29, 2026, with a 140% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808638760
Dimensions7.55 × 5.41 × 3.60 mm
L/W Ratio1.40
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
7.55 mm5.41 mm1.22 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808638760
Side View
Table 62.0%Crown 34.2°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 66.5%

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: $2,122 SGD|Low: $596 SGD|High: $2,122 SGD|Avg: $1,192 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 5$661 SGD
Retailer 4$698 SGD
Retailer 6$819 SGD
Retailer 7$872 SGD
Retailer 2$1,021 SGD
Retailer 3$1,588 SGD
Retailer 8$1,603 SGD
Retailer 9$1,611 SGD
Brilliant Earth$2,122 SGD

24 data points across 9 retailers

5 retailers$661 SGD to $1,588 SGD

A
Cheapest Retailer
-
$661 SGD
$517 USD
A
Retailer 2
-
$698 SGD
$546 USD
View
A
Retailer 3
-
$1,021 SGD
$799 USD
View
B+
Retailer 4
-
$1,588 SGD
£978 GBP
View
Most Expensive
Brilliant Earth
20188521A · Sep 23
$2,122 SGD
$1,660 USD
View
Price last confirmed 37 days ago
4 more retailers have this diamond
Prices start from $661 SGDSave up to $927 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
1.22ct Cushion
$661 SGD