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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 $9,609 AUD
$6,750 USD
As of October 30, 2026
Save $21,351 AUD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $30,961 AUD 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 $9,609 to $30,961, a $21,351 spread on the same certified stone. Frank Darling lists it at $30,961. 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
Colour
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: $30,961 AUD|Low: $9,609 AUD|High: $68,034 AUD|Avg: $20,676 AUD|-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$9,609 AUD
Retailer 8$9,796 AUD
Retailer 6$10,002 AUD
Retailer 12$10,120 AUD
Retailer 14$11,097 AUD
Retailer 2$12,812 AUD
Retailer 7$12,827 AUD
Retailer 4$12,929 AUD
Retailer 15$13,837 AUD
Retailer 3$14,136 AUD
Retailer 9$18,279 AUD
Retailer 13$21,664 AUD
Retailer 5$24,211 AUD
Frank Darling$30,961 AUD
Retailer 11$59,962 AUD

32 data points across 15 retailers

15 retailers$9,609 AUD to $30,961 AUD

A
Cheapest Retailer
-
$9,609 AUD
$6,750 USD
A
Retailer 2
-
$9,796 AUD
$6,881 USD
View
A
Retailer 3
-
$10,002 AUD
$7,026 USD
View
A
Retailer 4
-
$10,120 AUD
$7,109 USD
View
A
Retailer 5
-
$11,097 AUD
$7,795 USD
View
A
Retailer 6
-
$12,812 AUD
$9,000 USD
View
A
Retailer 7
-
$12,827 AUD
$9,010 USD
View
Final sale: no returns
A
Retailer 8
-
$12,929 AUD
$9,082 USD
View
A
Retailer 9
-
$13,837 AUD
$9,720 USD
View
A
Retailer 10
-
$14,136 AUD
$9,930 USD
View
B+
Retailer 11
-
$18,279 AUD
$12,840 USD
View
B+
Retailer 12
-
$21,664 AUD
€14,493 EUR
View
B+
Retailer 13
-
$24,211 AUD
£13,391 GBP
View
Most Expensive
B
Frank Darling
P82B-2EL · Oct 31
$30,961 AUD
$21,748 USD
View
13 more retailers have this diamond
Prices start from $9,609 AUDSave up to $21,351 AUD

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
$9,609 AUD