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Marquise|Lab Grown|IGI

4.03ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG762544606

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762544606

Diamond specifications and retailer prices

From $15,097 AUD
$10,605 USD
As of October 28, 2026
Save $41,525 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $56,622 AUD at Cape Diamonds · As of October 29, 2026
View at Cape 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 very-good cut grade and certified by IGI LG762544606 or 762544606. Listed at 13 retailers as of October 28, 2026, with prices from $15,097 to $56,622, a $41,525 spread on the same certified stone. Cape Diamonds lists it at $56,622. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.03
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544606
Dimensions16.37 × 8.27 × 5.16 mm
L/W Ratio1.98
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
16.37 mm8.27 mm4.03 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544606
Side View
Table 63.0%Crown 34.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $56,622 AUD|Low: $13,445 AUD|High: $74,215 AUD|Avg: $35,749 AUD|-10.8%
Cape 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
October 29, 2026
Retailer 8$15,097 AUD
Retailer 5$17,744 AUD
Retailer 4$18,386 AUD
Retailer 13$20,382 AUD
Retailer 9$23,848 AUD
Retailer 11$29,056 AUD
Retailer 2$29,267 AUD
Retailer 7$42,006 AUD
Retailer 12$43,547 AUD
Retailer 6$45,268 AUD
Retailer 10$46,619 AUD
Cape Diamonds$56,622 AUD
Retailer 3$74,215 AUD

28 data points across 13 retailers

13 retailers$15,097 AUD to $56,622 AUD

A
Cheapest Retailer
-
$15,097 AUD
$10,605 USD
B+
Retailer 2
-
$17,744 AUD
$12,464 USD
View
B+
Retailer 3
-
$20,382 AUD
$14,317 USD
View
B+
Retailer 4
-
$23,848 AUD
$16,752 USD
View
B
Retailer 5
-
$29,056 AUD
$20,410 USD
View
B+
Retailer 6
-
$29,267 AUD
£16,188 GBP
View
B
Retailer 7
-
$42,006 AUD
£23,234 GBP
View
B
Retailer 8
-
$43,547 AUD
$30,589 USD
View
B
Retailer 9
-
$45,268 AUD
€30,284 EUR
View
Retailer 10
-
$46,619 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Cape Diamonds
cert_762544606 · Oct 29
$56,622 AUD
ZAR 642,547 ZAR
View
10 more retailers have this diamond
Prices start from $15,097 AUDSave up to $41,525 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
$15,097 AUD