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Cushion|Lab Grown|IGI

4.23ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784644157

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784644157

Diamond specifications and retailer prices

From $5,764 CAD
$4,118 USD
As of October 29, 2026
Save $30,220 CAD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $35,984 CAD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 4.23ct lab-grown cushion diamond

This 4.23ct 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 LG784644157 or 784644157. Listed at 11 retailers as of October 28, 2026, with prices from $5,764 to $35,984, a $30,220 spread on the same certified stone. Do Amore Diamonds lists it at $35,984. 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

4.23
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644157
Dimensions10.42 × 8.68 × 5.82 mm
L/W Ratio1.20
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
10.42 mm8.68 mm4.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644157
Side View
Table 60.0%Crown 33.6°Girdle: THK-VTKPavilion 36.2°Culet: NoneDepth 67.1%

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: $35,984 CAD|Low: $5,764 CAD|High: $45,781 CAD|Avg: $15,655 CAD|-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$5,764 CAD
Retailer 5$5,822 CAD
Retailer 2$6,515 CAD
Retailer 3$7,911 CAD
Retailer 8$9,404 CAD
Retailer 4$11,089 CAD
Retailer 10$11,715 CAD
Retailer 6$13,863 CAD
Retailer 7$15,994 CAD
Retailer 11$31,099 CAD
Do Amore Diamonds$35,984 CAD

28 data points across 11 retailers

11 retailers$5,764 CAD to $35,984 CAD

A
Cheapest Retailer
-
$5,764 CAD
$4,118 USD
A
Retailer 2
-
$5,822 CAD
$4,160 USD
View
A
Retailer 3
-
$6,515 CAD
$4,655 USD
View
A
Retailer 4
-
$7,911 CAD
$5,652 USD
View
Final sale: no returns
A
Retailer 5
-
$9,404 CAD
$6,719 USD
View
A
Retailer 6
-
$11,089 CAD
€7,546 EUR
View
Retailer 7
-
$11,715 CAD
$8,370 USD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$13,863 CAD
£7,799 GBP
View
B+
Retailer 9
-
$15,994 CAD
$11,428 USD
View
B
Retailer 10
-
$31,099 CAD
$22,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-9912B3267 · Oct 28
$35,984 CAD
$25,710 USD
View
10 more retailers have this diamond
Prices start from $5,764 CADSave up to $30,220 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
4.23ct Cushion
$5,764 CAD