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Cushion|Lab Grown|IGI

4.22ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG784644349

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG784644349

Diamond specifications and retailer prices

From $4,109 USD
As of October 29, 2026
Save $21,551 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $25,660 USD at Do Amore Diamonds · As of October 28, 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 LG784644349 or 784644349. Listed at 12 retailers as of October 28, 2026, with prices from $4,109 to $25,660, a $21,551 spread on the same certified stone. Do Amore Diamonds lists it at $25,660. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644349
Dimensions6.32 × 9.27 × 9.25 mm
L/W Ratio1.47
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
6.32 mm9.27 mm4.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644349
Side View
Table 59.0%Crown 37.7°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
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: $25,660 USD|Low: $4,109 USD|High: $32,640 USD|Avg: $11,017 USD|-21.4%
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 9$4,109 USD
Retailer 5$4,150 USD
Retailer 2$4,636 USD
Retailer 3$5,638 USD
Retailer 8$6,704 USD
Retailer 4$7,904 USD
Retailer 10$8,355 USD
Retailer 6$9,882 USD
Retailer 7$11,401 USD
Retailer 11$22,160 USD
Do Amore Diamonds$25,660 USD

28 data points across 11 retailers

12 retailers$4,109 USD to $25,660 USD

A
Cheapest Retailer
-
$4,109 USD
A
Retailer 2
-
$4,150 USD
View
A
Retailer 3
-
$4,636 USD
View
A
Retailer 4
-
$5,638 USD
View
Final sale: no returns
A
Retailer 5
-
$6,704 USD
View
A
Retailer 6
-
$7,904 USD
€7,528 EUR
View
Retailer 7
-
$8,355 USD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$9,882 USD
£7,781 GBP
View
B+
Retailer 9
-
$11,401 USD
View
B
Retailer 10
-
$20,071 USD
View
B
Retailer 11
-
$22,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-F06BDCF82 · Oct 28
$25,660 USD
View
11 more retailers have this diamond
Prices start from $4,109 USDSave up to $21,551 USD

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
$4,109 USD