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Marquise|Lab Grown|IGI

4.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG829608667

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG829608667

Diamond specifications and retailer prices

From $6,749 NZD
£2,995 GBP
As of October 30, 2026
Save $21,882 NZD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $28,630 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 LG829608667 or 829608667. Listed at 18 retailers as of October 30, 2026, with prices from $6,749 to $28,630, a $21,882 spread on the same certified stone. Taylor and Hart lists it at $28,630. 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 angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829608667
Dimensions16.02 × 8.10 × 5.23 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.02 mm8.10 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829608667
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.6%

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 30
Current: $10,597 NZD|Low: $6,686 NZD|High: $28,630 NZD|Avg: $14,217 NZD|-3.1%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 11$6,749 NZD
Retailer 5$6,964 NZD
Retailer 9$8,078 NZD
Retailer 7$8,180 NZD
Retailer 2$8,691 NZD
Retailer 1$10,597 NZD
Retailer 6$10,676 NZD
Retailer 3$10,713 NZD
Retailer 8$11,303 NZD
Retailer 15$11,710 NZD
Retailer 14$13,032 NZD
Retailer 12$17,192 NZD
Retailer 13$17,396 NZD
Retailer 16$17,584 NZD
Retailer 17$19,489 NZD
Retailer 10$20,990 NZD
Retailer 4$27,574 NZD
Taylor and Hart$28,630 NZD

29 data points across 18 retailers

18 retailers$6,749 NZD to $28,630 NZD

A+
Cheapest Retailer
-
$6,749 NZD
£2,995 GBP
A
Retailer 2
-
$6,964 NZD
$3,925 USD
View
A
Retailer 3
-
$8,078 NZD
$4,553 USD
View
A
Retailer 4
-
$8,180 NZD
$4,610 USD
View
A
Retailer 5
-
$8,691 NZD
$4,898 USD
View
Final sale: no returns
A
Retailer 6
-
$10,597 NZD
£4,703 GBP
View
A
Retailer 7
-
$10,676 NZD
$6,017 USD
View
A
Retailer 8
-
$10,713 NZD
$6,038 USD
View
A
Retailer 9
-
$11,303 NZD
£5,016 GBP
View
A
Retailer 10
-
$11,710 NZD
$6,600 USD
View
A
Retailer 11
-
$13,032 NZD
€6,995 EUR
View
A
Retailer 12
-
$17,192 NZD
ZAR 156,534 ZAR
View
A
Retailer 13
-
$17,396 NZD
£7,720 GBP
View
Retailer 14
-
$17,584 NZD
A$15,247 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
-
$19,489 NZD
$10,984 USD
View
A
Retailer 16
-
$20,990 NZD
$11,830 USD
View
B+
Retailer 17
-
$27,574 NZD
SGD 21,001 SGD
View
Most Expensive
B+
Taylor and Hart
K3UKP8L · Oct 30
$28,630 NZD
$16,136 USD
View
17 more retailers have this diamond
Prices start from $6,749 NZDSave up to $21,882 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
$6,749 NZD