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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 $7,060 USD
As of October 30, 2026
Save $15,702 USD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $26,026 USD 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
Color
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: $26,026 USD|Low: $6,937 USD|High: $46,582 USD|Avg: $16,877 USD|+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$7,060 USD
Retailer 13$7,184 USD
Retailer 16$7,204 USD
Retailer 5$7,354 USD
Retailer 9$8,108 USD
Retailer 18$8,145 USD
Retailer 7$9,150 USD
Retailer 2$9,413 USD
Retailer 4$9,503 USD
Retailer 3$10,166 USD
Retailer 12$12,356 USD
Retailer 17$15,422 USD
Retailer 19$16,869 USD
Retailer 8$19,240 USD
Retailer 6$20,377 USD
Retailer 20$22,762 USD
Retailer 11$23,256 USD
Novita Diamonds$26,026 USD
Retailer 15$44,050 USD
Retailer 10$46,582 USD

34 data points across 20 retailers

17 retailers$7,060 USD to $22,762 USD

A
Cheapest Retailer
-
$7,060 USD
A
Retailer 2
-
$7,184 USD
View
A
Retailer 3
-
$7,204 USD
View
A
Retailer 4
-
$7,354 USD
View
A
Retailer 5
-
$8,108 USD
View
Final sale: no returns
A
Retailer 6
-
$8,145 USD
View
A
Retailer 7
-
$9,150 USD
View
A
Retailer 8
-
$9,413 USD
View
A
Retailer 9
-
$9,503 USD
View
A
Retailer 10
-
$10,166 USD
View
B+
Retailer 11
-
$15,422 USD
€14,688 EUR
View
B+
Retailer 12
-
$16,869 USD
£13,283 GBP
View
B
Retailer 13
-
$19,240 USD
View
Retailer 14
-
$20,377 USD
A$31,349 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$22,762 USD
View
Most Expensive
Novita Diamonds
cert_744513410 · Oct 8
$26,026 USD
A$40,040 AUD
View
Price last confirmed 22 days ago
15 more retailers have this diamond
Prices start from $7,060 USDSave up to $15,702 USD

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
$7,060 USD