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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 €410 EUR
$458 USD
As of November 1, 2026
Save €1,523 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,933 EUR at Brilliant Earth · As of October 31, 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 31, 2026, with prices from €410 to €1,933, a €1,523 spread on the same certified stone. Brilliant Earth lists it at €1,933. 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
Color
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: Nov 1
Current: €1,933 EUR|Low: €410 EUR|High: €2,299 EUR|Avg: €1,035 EUR|-11.1%
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
November 2, 2026
Retailer 4€410 EUR
Retailer 14€454 EUR
Retailer 3€504 EUR
Retailer 12€586 EUR
Retailer 5€610 EUR
Retailer 16€661 EUR
Retailer 11€725 EUR
Retailer 9€741 EUR
Retailer 15€747 EUR
Retailer 2€783 EUR
Retailer 13€1,107 EUR
Retailer 7€1,447 EUR
Retailer 8€1,491 EUR
Retailer 6€1,666 EUR
Retailer 10€1,774 EUR
Brilliant Earth€1,933 EUR

39 data points across 16 retailers

16 retailers€410 EUR to €1,933 EUR

A
Cheapest Retailer
-
€410 EUR
$458 USD
Final sale: no returns
Retailer 2
-
€454 EUR
$507 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€504 EUR
HK$4,400 HKD
View
A
Retailer 4
-
€586 EUR
$655 USD
View
A
Retailer 5
-
€610 EUR
$682 USD
View
A
Retailer 6
-
€661 EUR
$738 USD
View
A
Retailer 7
-
€725 EUR
View
A
Retailer 8
-
€741 EUR
£652 GBP
View
A
Retailer 9
-
€747 EUR
$835 USD
View
A
Retailer 10
-
€783 EUR
ZAR 14,137 ZAR
View
B+
Retailer 11
-
€1,107 EUR
A$1,903 AUD
View
B
Retailer 12
-
€1,447 EUR
SGD 2,185 SGD
View
B
Retailer 13
-
€1,491 EUR
$1,666 USD
View
B
Retailer 14
-
€1,666 EUR
$1,861 USD
View
B
Retailer 15
-
€1,774 EUR
£1,561 GBP
View
Most Expensive
B
Brilliant Earth
20512786A · Oct 31
€1,933 EUR
$2,160 USD
View
15 more retailers have this diamond
Prices start from €410 EURSave up to €1,523 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
1.22ct Cushion
€410 EUR