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Marquise|Lab Grown|IGI

4.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG839683323

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839683323

Diamond specifications and retailer prices

From $5,491 NZD
£2,437 GBP
As of October 30, 2026
Save $17,482 NZD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $22,973 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.03ct lab-grown marquise diamond

This 4.03ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839683323 or 839683323. Listed at 19 retailers as of October 30, 2026, with prices from $5,491 to $22,973, a $17,482 spread on the same certified stone. Taylor and Hart lists it at $22,973. 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683323
Dimensions15.79 × 8.23 × 5.23 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.79 mm8.23 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683323
Side View
Table 63.0%Crown 37°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.5%

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 30
Current: $6,849 NZD|Low: $5,491 NZD|High: $31,724 NZD|Avg: $12,542 NZD|-26.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 10$5,491 NZD
Retailer 9$6,345 NZD
Retailer 1$6,849 NZD
Retailer 11$8,736 NZD
Retailer 4$8,902 NZD
Retailer 6$9,251 NZD
Retailer 7$10,222 NZD
Retailer 3$10,309 NZD
Retailer 5$11,357 NZD
Retailer 12$15,189 NZD
Retailer 2$15,370 NZD
Retailer 8$16,411 NZD
Taylor and Hart$22,973 NZD

28 data points across 13 retailers

19 retailers$5,491 NZD to $22,973 NZD

A
Cheapest Retailer
-
$5,491 NZD
£2,437 GBP
A
Retailer 2
-
$6,345 NZD
$3,576 USD
View
Final sale: no returns
A
Retailer 3
-
$6,849 NZD
$3,860 USD
View
Retailer 4
-
$7,658 NZD
$4,316 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$7,977 NZD
$4,496 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$8,361 NZD
$4,712 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$8,736 NZD
£3,877 GBP
View
Retailer 8
-
$8,902 NZD
$5,017 USD
View
Price last confirmed 18 days ago
Retailer 9
-
$9,127 NZD
$5,144 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$9,251 NZD
$5,214 USD
View
Retailer 11
-
$9,255 NZD
$5,216 USD
View
Price last confirmed 28 days ago
A
Retailer 12
-
$10,222 NZD
$5,761 USD
View
A
Retailer 13
-
$10,309 NZD
$5,810 USD
View
A
Retailer 14
-
$11,357 NZD
£5,040 GBP
View
Retailer 15
-
$11,565 NZD
$6,518 USD
View
Price last confirmed 30 days ago
A
Retailer 16
-
$15,189 NZD
ZAR 138,297 ZAR
View
A
Retailer 17
-
$15,370 NZD
£6,821 GBP
View
A
Retailer 18
-
$16,411 NZD
$9,249 USD
View
Most Expensive
B+
Taylor and Hart
QHVPPCE · Oct 30
$22,973 NZD
$12,948 USD
View
18 more retailers have this diamond
Prices start from $5,491 NZDSave up to $17,482 NZD

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
$5,491 NZD