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Cushion|Lab Grown|IGI

1.22ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG811602535

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811602535

Diamond specifications and retailer prices

From $586 SGD
$458 USD
As of October 30, 2026
Save $2,393 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,979 SGD at Brilliant Earth · As of October 30, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811602535 or 811602535. Listed at 16 retailers as of October 30, 2026, with prices from $586 to $2,979, a $2,393 spread on the same certified stone. Brilliant Earth lists it at $2,979. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811602535
Dimensions7.19 × 5.69 × 3.87 mm
L/W Ratio1.26
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
7.19 mm5.69 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811602535
Side View
Table 61.0%Crown 32.1°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 68.0%

Caratlytics Score

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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: $2,979 SGD|Low: $586 SGD|High: $3,283 SGD|Avg: $1,482 SGD|-4.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 4$586 SGD
Retailer 14$648 SGD
Retailer 3$720 SGD
Retailer 9$837 SGD
Retailer 5$872 SGD
Retailer 16$943 SGD
Retailer 11$1,042 SGD
Retailer 2$1,067 SGD
Retailer 15$1,067 SGD
Retailer 13$1,115 SGD
Retailer 10$1,581 SGD
Retailer 7$2,067 SGD
Retailer 8$2,130 SGD
Retailer 6$2,379 SGD
Retailer 12$2,549 SGD
Brilliant Earth$2,979 SGD

38 data points across 16 retailers

16 retailers$586 SGD to $2,979 SGD

A
Cheapest Retailer
-
$586 SGD
$458 USD
Final sale: no returns
A
Retailer 2
-
$648 SGD
$507 USD
View
A
Retailer 3
-
$720 SGD
HK$4,400 HKD
View
A
Retailer 4
-
$837 SGD
$655 USD
View
A
Retailer 5
-
$872 SGD
$682 USD
View
A
Retailer 6
-
$943 SGD
$738 USD
View
A
Retailer 7
-
$1,042 SGD
€776 EUR
View
A
Retailer 8
-
$1,067 SGD
£657 GBP
View
A
Retailer 9
-
$1,067 SGD
$835 USD
View
A
Retailer 10
-
$1,115 SGD
ZAR 14,087 ZAR
View
B+
Retailer 11
-
$1,581 SGD
A$1,903 AUD
View
B
Retailer 12
-
$2,067 SGD
View
B
Retailer 13
-
$2,130 SGD
$1,666 USD
View
B
Retailer 14
-
$2,379 SGD
$1,861 USD
View
B
Retailer 15
-
$2,549 SGD
£1,570 GBP
View
Most Expensive
B
Brilliant Earth
20512786A · Oct 30
$2,979 SGD
$2,330 USD
View
15 more retailers have this diamond
Prices start from $586 SGDSave up to $2,393 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
$586 SGD