Marquise|Lab Grown|IGI

4.01ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780661584

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780661584

Diamond specifications and retailer prices

From $9,429 CAD
$6,750 USD
As of October 30, 2026
Save $20,951 CAD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $30,380 CAD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 4.01ct lab-grown marquise diamond

This 4.01ct lab-grown marquise 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 LG780661584 or 780661584. Listed at 15 retailers as of October 30, 2026, with prices from $9,429 to $30,380, a $20,951 spread on the same certified stone. Frank Darling lists it at $30,380. 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 angle37.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661584
Dimensions15.59 × 8.03 × 5.30 mm
L/W Ratio1.94
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
15.59 mm8.03 mm4.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661584
Side View
Table 58.0%Crown 37.2°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 66.0%

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: $30,380 CAD|Low: $9,429 CAD|High: $66,758 CAD|Avg: $20,288 CAD|-11.4%
Frank Darling
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
October 31, 2026
Retailer 10$9,429 CAD
Retailer 8$9,612 CAD
Retailer 6$9,815 CAD
Retailer 12$9,931 CAD
Retailer 14$10,889 CAD
Retailer 2$12,572 CAD
Retailer 7$12,586 CAD
Retailer 4$12,687 CAD
Retailer 15$13,578 CAD
Retailer 3$13,871 CAD
Retailer 9$17,936 CAD
Retailer 13$21,258 CAD
Retailer 5$23,756 CAD
Frank Darling$30,380 CAD
Retailer 11$58,837 CAD

32 data points across 15 retailers

15 retailers$9,429 CAD to $30,380 CAD

A
Cheapest Retailer
-
$9,429 CAD
$6,750 USD
A
Retailer 2
-
$9,612 CAD
$6,881 USD
View
A
Retailer 3
-
$9,815 CAD
$7,026 USD
View
A
Retailer 4
-
$9,931 CAD
$7,109 USD
View
A
Retailer 5
-
$10,889 CAD
$7,795 USD
View
A
Retailer 6
-
$12,572 CAD
$9,000 USD
View
A
Retailer 7
-
$12,586 CAD
$9,010 USD
View
Final sale: no returns
A
Retailer 8
-
$12,687 CAD
$9,082 USD
View
A
Retailer 9
-
$13,578 CAD
$9,720 USD
View
A
Retailer 10
-
$13,871 CAD
$9,930 USD
View
B+
Retailer 11
-
$17,936 CAD
$12,840 USD
View
B+
Retailer 12
-
$21,258 CAD
€14,493 EUR
View
B+
Retailer 13
-
$23,756 CAD
£13,391 GBP
View
Most Expensive
B
Frank Darling
P82B-2EL · Oct 31
$30,380 CAD
$21,748 USD
View
13 more retailers have this diamond
Prices start from $9,429 CADSave up to $20,951 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 Marquise
$9,429 CAD