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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 $5,414 AUD
£2,995 GBP
As of October 30, 2026
Save $17,554 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $22,968 AUD 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 $5,414 to $22,968, a $17,554 spread on the same certified stone. Taylor and Hart lists it at $22,968. 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: $5,414 AUD|Low: $5,396 AUD|High: $22,968 AUD|Avg: $12,346 AUD|-0.9%
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
Taylor and Hart
October 30, 2026
Retailer 1$5,414 AUD
Retailer 6$6,562 AUD
Retailer 14$6,972 AUD
Retailer 7$8,501 AUD
Retailer 4$8,565 AUD
Retailer 2$8,594 AUD
Retailer 11$9,394 AUD
Retailer 10$10,455 AUD
Retailer 8$13,792 AUD
Retailer 9$13,956 AUD
Retailer 12$14,107 AUD
Retailer 13$15,635 AUD
Retailer 5$19,956 AUD
Retailer 3$22,121 AUD
Taylor and Hart$22,968 AUD

28 data points across 15 retailers

18 retailers$5,414 AUD to $22,968 AUD

A+
Cheapest Retailer
-
$5,414 AUD
£2,995 GBP
A
Retailer 2
-
$5,587 AUD
$3,925 USD
View
A
Retailer 3
-
$6,481 AUD
$4,553 USD
View
A
Retailer 4
-
$6,562 AUD
$4,610 USD
View
A
Retailer 5
-
$6,972 AUD
$4,898 USD
View
Final sale: no returns
A
Retailer 6
-
$8,501 AUD
£4,703 GBP
View
A
Retailer 7
-
$8,565 AUD
$6,017 USD
View
A
Retailer 8
-
$8,594 AUD
$6,038 USD
View
A
Retailer 9
-
$9,068 AUD
£5,016 GBP
View
A
Retailer 10
-
$9,394 AUD
$6,600 USD
View
A
Retailer 11
-
$10,455 AUD
€6,995 EUR
View
A
Retailer 12
-
$13,792 AUD
ZAR 156,534 ZAR
View
A
Retailer 13
-
$13,956 AUD
£7,720 GBP
View
Retailer 14
-
$14,107 AUD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$15,635 AUD
$10,984 USD
View
B+
Retailer 16
-
$19,956 AUD
$14,020 USD
View
B+
Retailer 17
-
$22,121 AUD
SGD 21,001 SGD
View
Most Expensive
B+
Taylor and Hart
K3UKP8L · Oct 30
$22,968 AUD
$16,136 USD
View
17 more retailers have this diamond
Prices start from $5,414 AUDSave up to $17,554 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
$5,414 AUD