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Marquise|Lab Grown|IGI

4.02ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784644573

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784644573

Diamond specifications and retailer prices

From $9,641 AUD
$6,772 USD
As of October 27, 2026
Save $21,439 AUD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $31,080 AUD at Frank Darling · As of October 27, 2026
View at Frank Darling

About this 4.02ct lab-grown marquise diamond

This 4.02ct 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 LG784644573 or 784644573. Listed at 15 retailers as of October 27, 2026, with prices from $9,641 to $31,080, a $21,439 spread on the same certified stone. Frank Darling lists it at $31,080. 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

4.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644573
Dimensions15.87 × 8.21 × 5.36 mm
L/W Ratio1.93
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
15.87 mm8.21 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644573
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 42°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $31,080 AUD|Low: $9,641 AUD|High: $68,205 AUD|Avg: $20,354 AUD|-11.3%
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 30, 2026
Retailer 10$9,641 AUD
Retailer 12$9,827 AUD
Retailer 5$10,026 AUD
Retailer 6$10,159 AUD
Retailer 15$11,133 AUD
Retailer 13$12,854 AUD
Retailer 7$12,858 AUD
Retailer 11$12,962 AUD
Retailer 3$13,883 AUD
Retailer 8$14,165 AUD
Retailer 2$18,336 AUD
Retailer 9$21,665 AUD
Retailer 4$24,268 AUD
Frank Darling$31,080 AUD
Retailer 14$60,161 AUD

31 data points across 15 retailers

15 retailers$9,641 AUD to $31,080 AUD

A+
Cheapest Retailer
-
$9,641 AUD
$6,772 USD
A
Retailer 2
-
$9,827 AUD
$6,903 USD
View
A
Retailer 3
-
$10,026 AUD
$7,043 USD
View
A
Retailer 4
-
$10,159 AUD
$7,136 USD
View
A
Retailer 5
-
$11,133 AUD
$7,820 USD
View
A
Retailer 6
-
$12,854 AUD
$9,029 USD
View
A
Retailer 7
-
$12,858 AUD
$9,032 USD
View
Final sale: no returns
A
Retailer 8
-
$12,962 AUD
$9,105 USD
View
A
Retailer 9
-
$13,883 AUD
$9,752 USD
View
A
Retailer 10
-
$14,165 AUD
$9,950 USD
View
B+
Retailer 11
-
$18,336 AUD
$12,880 USD
View
B+
Retailer 12
-
$21,665 AUD
€14,494 EUR
View
B+
Retailer 13
-
$24,268 AUD
£13,423 GBP
View
Most Expensive
B
Frank Darling
P83G-10EL · Oct 27
$31,080 AUD
$21,832 USD
View
13 more retailers have this diamond
Prices start from $9,641 AUDSave up to $21,439 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+
4.02ct Marquise
$9,641 AUD