CaratHunter
Plans
Cushion|Lab Grown|IGI

4.12ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG821638855

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821638855

Diamond specifications and retailer prices

From $5,406 CAD
$3,870 USD
As of October 31, 2026
Save $25,731 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $31,137 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown cushion diamond

This 4.12ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821638855 or 821638855. Listed at 10 retailers as of October 30, 2026, with prices from $5,406 to $31,137, a $25,731 spread on the same certified stone. Do Amore Diamonds lists it at $31,137. 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

4.12
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638855
Dimensions10.92 × 8.42 × 5.68 mm
L/W Ratio1.30
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
10.92 mm8.42 mm4.12 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638855
Side View
Table 59.0%Crown 33.4°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 67.5%

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 31
Current: $31,137 CAD|Low: $5,469 CAD|High: $45,348 CAD|Avg: $16,266 CAD|-3.5%
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 6$5,469 CAD
Retailer 7$6,007 CAD
Retailer 4$6,570 CAD
Retailer 8$8,446 CAD
Retailer 5$9,927 CAD
Retailer 10$11,524 CAD
Retailer 11$12,861 CAD
Retailer 9$12,883 CAD
Retailer 2$16,749 CAD
Do Amore Diamonds$31,137 CAD
Retailer 3$36,400 CAD

26 data points across 11 retailers

10 retailers$5,406 CAD to $31,137 CAD

A
Cheapest Retailer
-
$5,406 CAD
$3,870 USD
A
Retailer 2
-
$5,469 CAD
$3,915 USD
View
A
Retailer 3
-
$6,570 CAD
$4,703 USD
View
A
Retailer 4
-
$8,446 CAD
$6,046 USD
View
A
Retailer 5
-
$9,927 CAD
€6,768 EUR
View
Retailer 6
-
$11,524 CAD
$8,250 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$12,861 CAD
$9,207 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$12,883 CAD
£7,262 GBP
View
B+
Retailer 9
-
$16,749 CAD
$11,990 USD
View
Most Expensive
B
Do Amore Diamonds
27-D7A519999 · Oct 30
$31,137 CAD
$22,290 USD
View
9 more retailers have this diamond
Prices start from $5,406 CADSave up to $25,731 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
4.12ct Cushion
$5,406 CAD