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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 $7,028 NZD
$3,961 USD
As of October 30, 2026
Save $36,726 NZD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $43,754 NZD 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 LG784644349 or 784644349. Listed at 12 retailers as of October 30, 2026, with prices from $7,028 to $43,754, a $36,726 spread on the same certified stone. Do Amore Diamonds lists it at $43,754. 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
Colour
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 30
Current: $43,754 NZD|Low: $7,028 NZD|High: $57,913 NZD|Avg: $19,486 NZD|-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 2$7,028 NZD
Retailer 7$7,363 NZD
Retailer 5$8,226 NZD
Retailer 3$10,004 NZD
Retailer 10$11,895 NZD
Retailer 6$14,025 NZD
Retailer 11$14,824 NZD
Retailer 8$17,533 NZD
Retailer 9$20,230 NZD
Retailer 4$23,190 NZD
Do Amore Diamonds$43,754 NZD

28 data points across 11 retailers

12 retailers$7,028 NZD to $43,754 NZD

A
Cheapest Retailer
-
$7,028 NZD
$3,961 USD
A
Retailer 2
-
$7,363 NZD
$4,150 USD
View
A
Retailer 3
-
$8,226 NZD
$4,636 USD
View
A
Retailer 4
-
$10,004 NZD
$5,638 USD
View
Final sale: no returns
A
Retailer 5
-
$11,895 NZD
$6,704 USD
View
A
Retailer 6
-
$14,025 NZD
€7,528 EUR
View
Retailer 7
-
$14,824 NZD
$8,355 USD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
$17,533 NZD
£7,781 GBP
View
B+
Retailer 9
-
$20,230 NZD
$11,401 USD
View
B+
Retailer 10
-
$23,190 NZD
$13,070 USD
View
B
Retailer 11
-
$35,612 NZD
$20,071 USD
View
Most Expensive
B
Do Amore Diamonds
27-F06BDCF82 · Oct 30
$43,754 NZD
$24,660 USD
View
11 more retailers have this diamond
Prices start from $7,028 NZDSave up to $36,726 NZD

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
$7,028 NZD