Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804636937

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG804636937

Diamond specifications and retailer prices

From $5,233 CAD
$3,739 USD
As of October 30, 2026
Save $16,219 CAD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $21,452 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.01ct lab-grown radiant diamond

This 4.01ct lab-grown radiant 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 LG804636937 or 804636937. Listed at 18 retailers as of October 30, 2026, with prices from $5,233 to $21,452, a $16,219 spread on the same certified stone. Taylor and Hart lists it at $21,452. 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

4.01
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804636937
Dimensions11.13 × 7.81 × 5.38 mm
L/W Ratio1.43
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
11.13 mm7.81 mm4.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804636937
Side View
Table 63.0%Crown 43.4°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 68.9%

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: $7,943 CAD|Low: $5,233 CAD|High: $27,019 CAD|Avg: $11,415 CAD|-23.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 30, 2026
Retailer 5$5,233 CAD
Retailer 3$5,694 CAD
Retailer 6$5,860 CAD
Retailer 13$5,880 CAD
Retailer 11$6,071 CAD
Retailer 9$7,552 CAD
Retailer 14$7,586 CAD
Retailer 16$7,729 CAD
Retailer 1$7,943 CAD
Retailer 2$8,174 CAD
Retailer 17$9,321 CAD
Retailer 7$9,408 CAD
Retailer 8$9,646 CAD
Retailer 10$12,920 CAD
Retailer 12$13,073 CAD
Retailer 4$15,291 CAD
Retailer 15$16,855 CAD
Taylor and Hart$21,452 CAD

33 data points across 18 retailers

18 retailers$5,233 CAD to $21,452 CAD

A
Cheapest Retailer
-
$5,233 CAD
$3,739 USD
A
Retailer 2
-
$5,694 CAD
$4,068 USD
View
A
Retailer 3
-
$5,860 CAD
$4,187 USD
View
Final sale: no returns
A
Retailer 4
-
$5,880 CAD
$4,201 USD
View
A
Retailer 5
-
$6,071 CAD
$4,338 USD
View
Retailer 6
-
$7,552 CAD
$5,396 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$7,586 CAD
$5,420 USD
View
A
Retailer 8
-
$7,729 CAD
$5,522 USD
View
A
Retailer 9
-
$7,943 CAD
£4,469 GBP
View
A
Retailer 10
-
$8,174 CAD
$5,840 USD
View
B+
Retailer 11
-
$9,321 CAD
£5,244 GBP
View
A
Retailer 12
-
$9,408 CAD
$6,722 USD
View
Retailer 13
-
$9,646 CAD
$6,892 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$12,920 CAD
ZAR 149,130 ZAR
View
B+
Retailer 15
-
$13,073 CAD
£7,355 GBP
View
B+
Retailer 16
-
$15,291 CAD
$10,925 USD
View
B
Retailer 17
-
$16,855 CAD
$12,043 USD
View
Most Expensive
B
Taylor and Hart
IVYT399 · Oct 30
$21,452 CAD
$15,327 USD
View
17 more retailers have this diamond
Prices start from $5,233 CADSave up to $16,219 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
4.01ct Radiant
$5,233 CAD