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Marquise|Lab Grown|IGI

4.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG744513410

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG744513410

Diamond specifications and retailer prices

From $10,051 AUD
$7,060 USD
As of October 30, 2026
Save $22,353 AUD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $37,051 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.03ct lab-grown marquise diamond

This 4.03ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744513410 or 744513410. Listed at 17 retailers as of October 30, 2026, with a 222% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513410
Dimensions15.82 × 8.29 × 5.24 mm
L/W Ratio1.91
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
15.82 mm8.29 mm4.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513410
Side View
Table 61.0%Crown 38.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 63.2%

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: $37,051 AUD|Low: $9,876 AUD|High: $66,314 AUD|Avg: $24,025 AUD|+5.1%
Novita Diamonds
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 14$10,051 AUD
Retailer 13$10,227 AUD
Retailer 16$10,256 AUD
Retailer 5$10,469 AUD
Retailer 9$11,543 AUD
Retailer 18$11,595 AUD
Retailer 7$13,026 AUD
Retailer 2$13,400 AUD
Retailer 4$13,528 AUD
Retailer 3$14,472 AUD
Retailer 12$17,590 AUD
Retailer 17$21,955 AUD
Retailer 19$24,015 AUD
Retailer 8$27,390 AUD
Retailer 6$29,008 AUD
Retailer 20$32,404 AUD
Retailer 11$33,107 AUD
Novita Diamonds$37,051 AUD
Retailer 15$62,710 AUD
Retailer 10$66,314 AUD

34 data points across 20 retailers

17 retailers$10,051 AUD to $32,404 AUD

A
Cheapest Retailer
-
$10,051 AUD
$7,060 USD
A
Retailer 2
-
$10,227 AUD
$7,184 USD
View
A
Retailer 3
-
$10,256 AUD
$7,204 USD
View
A
Retailer 4
-
$10,469 AUD
$7,354 USD
View
A
Retailer 5
-
$11,543 AUD
$8,108 USD
View
Final sale: no returns
A
Retailer 6
-
$11,595 AUD
$8,145 USD
View
A
Retailer 7
-
$13,026 AUD
$9,150 USD
View
A
Retailer 8
-
$13,400 AUD
$9,413 USD
View
A
Retailer 9
-
$13,528 AUD
$9,503 USD
View
A
Retailer 10
-
$14,472 AUD
$10,166 USD
View
B+
Retailer 11
-
$21,955 AUD
€14,688 EUR
View
B+
Retailer 12
-
$24,015 AUD
£13,283 GBP
View
B
Retailer 13
-
$27,390 AUD
$19,240 USD
View
Retailer 14
-
$29,008 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$32,404 AUD
$22,762 USD
View
Most Expensive
Novita Diamonds
cert_744513410 · Oct 8
$37,051 AUD
View
Price last confirmed 23 days ago
15 more retailers have this diamond
Prices start from $10,051 AUDSave up to $22,353 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
4.03ct Marquise
$10,051 AUD