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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 €406 EUR
As of November 4, 2026
Save €1,511 EUR (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,917 EUR at Brilliant Earth · As of November 4, 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 17 retailers as of November 4, 2026, with prices from €406 to €1,917, a €1,511 spread on the same certified stone. Brilliant Earth lists it at €1,917. 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

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: Nov 4
Current: €1,917 EUR|Low: €406 EUR|High: €2,278 EUR|Avg: €1,052 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
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Retailer 17
November 5, 2026
Retailer 5€406 EUR
Retailer 16€450 EUR
Retailer 4€500 EUR
Retailer 14€581 EUR
Retailer 6€605 EUR
Retailer 3€655 EUR
Retailer 13€718 EUR
Retailer 2€729 EUR
Retailer 17€741 EUR
Retailer 11€777 EUR
Retailer 10€1,101 EUR
Retailer 15€1,429 EUR
Retailer 8€1,434 EUR
Retailer 9€1,479 EUR
Retailer 7€1,652 EUR
Retailer 12€1,759 EUR
Brilliant Earth€1,917 EUR

39 data points across 17 retailers

17 retailers€406 EUR to €1,917 EUR

A
Cheapest Retailer
-
€406 EUR
Final sale: no returns
Retailer 2
-
€450 EUR
View
Price last confirmed 11 days ago
A
Retailer 3
-
€500 EUR
View
A
Retailer 4
-
€581 EUR
View
A
Retailer 5
-
€605 EUR
View
A
Retailer 6
-
€655 EUR
View
A
Retailer 7
-
€718 EUR
View
A
Retailer 8
-
€729 EUR
View
A
Retailer 9
-
€741 EUR
View
A
Retailer 10
-
€777 EUR
View
B+
Retailer 11
-
€1,101 EUR
View
Retailer 12
-
€1,429 EUR
View
Price last confirmed 8 days ago
B
Retailer 13
-
€1,434 EUR
View
B
Retailer 14
-
€1,479 EUR
View
B
Retailer 15
-
€1,652 EUR
View
B
Retailer 16
-
€1,759 EUR
View
Most Expensive
B
Brilliant Earth
20512786A · Nov 4
€1,917 EUR
$2,160 USD
View
16 more retailers have this diamond
Prices start from €406 EURSave up to €1,511 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
€406 EUR