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Cushion|Lab Grown|IGI

4.22ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780661821

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780661821

Diamond specifications and retailer prices

From $5,751 CAD
$4,109 USD
As of October 29, 2026
Save $28,763 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $34,514 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.22ct lab-grown cushion diamond

This 4.22ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780661821 or 780661821. Listed at 11 retailers as of October 29, 2026, with prices from $5,751 to $34,514, a $28,763 spread on the same certified stone. Do Amore Diamonds lists it at $34,514. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.22
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661821
Dimensions11.06 × 8.63 × 5.55 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
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
11.06 mm8.63 mm4.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661821
Side View
Table 61.0%Crown 36.7°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $34,514 CAD|Low: $5,751 CAD|High: $45,683 CAD|Avg: $15,628 CAD|-24.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$5,751 CAD
Retailer 5$5,808 CAD
Retailer 2$6,489 CAD
Retailer 3$7,891 CAD
Retailer 7$9,383 CAD
Retailer 4$11,063 CAD
Retailer 10$11,694 CAD
Retailer 9$14,334 CAD
Retailer 6$15,957 CAD
Retailer 11$31,015 CAD
Do Amore Diamonds$34,514 CAD

28 data points across 11 retailers

11 retailers$5,751 CAD to $34,514 CAD

A+
Cheapest Retailer
-
$5,751 CAD
$4,109 USD
A
Retailer 2
-
$5,808 CAD
$4,150 USD
View
A
Retailer 3
-
$6,489 CAD
$4,636 USD
View
A
Retailer 4
-
$7,891 CAD
$5,638 USD
View
Final sale: no returns
A
Retailer 5
-
$9,383 CAD
$6,704 USD
View
A
Retailer 6
-
$11,063 CAD
€7,528 EUR
View
Retailer 7
-
$11,694 CAD
$8,355 USD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$14,334 CAD
£8,064 GBP
View
B+
Retailer 9
-
$15,957 CAD
$11,401 USD
View
B
Retailer 10
-
$31,015 CAD
$22,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-48B55D96E · Oct 30
$34,514 CAD
$24,660 USD
View
10 more retailers have this diamond
Prices start from $5,751 CADSave up to $28,763 CAD

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+
4.22ct Cushion
$5,751 CAD