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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 $3,956 SGD
£2,437 GBP
As of October 30, 2026
Save $12,596 SGD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,552 SGD at Taylor and Hart · As of October 31, 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 $3,956 to $16,552, a $12,596 spread on the same certified stone. Taylor and Hart lists it at $16,552. 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

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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: $6,295 SGD|Low: $3,956 SGD|High: $22,857 SGD|Avg: $8,928 SGD|-28.7%
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
November 1, 2026
Retailer 11$3,956 SGD
Retailer 10$4,572 SGD
Retailer 5$4,935 SGD
Retailer 1$6,295 SGD
Retailer 4$6,414 SGD
Retailer 7$6,666 SGD
Retailer 8$7,365 SGD
Retailer 3$7,428 SGD
Retailer 6$8,183 SGD
Retailer 12$10,944 SGD
Retailer 2$11,074 SGD
Retailer 9$11,824 SGD
Taylor and Hart$16,552 SGD

28 data points across 13 retailers

19 retailers$3,956 SGD to $16,552 SGD

A
Cheapest Retailer
-
$3,956 SGD
£2,437 GBP
A
Retailer 2
-
$4,572 SGD
$3,576 USD
View
Final sale: no returns
A
Retailer 3
-
$4,935 SGD
$3,860 USD
View
Retailer 4
-
$5,518 SGD
$4,316 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$5,748 SGD
$4,496 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$6,024 SGD
$4,712 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
$6,295 SGD
£3,877 GBP
View
Retailer 8
-
$6,414 SGD
$5,017 USD
View
Price last confirmed 19 days ago
Retailer 9
-
$6,576 SGD
$5,144 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
$6,666 SGD
$5,214 USD
View
Retailer 11
-
$6,668 SGD
$5,216 USD
View
Price last confirmed 29 days ago
A
Retailer 12
-
$7,365 SGD
$5,761 USD
View
A
Retailer 13
-
$7,428 SGD
$5,810 USD
View
A
Retailer 14
-
$8,183 SGD
£5,040 GBP
View
Retailer 15
-
$8,333 SGD
$6,518 USD
View
Price last confirmed 31 days ago
A
Retailer 16
-
$10,944 SGD
ZAR 138,297 ZAR
View
A
Retailer 17
-
$11,074 SGD
£6,821 GBP
View
A
Retailer 18
-
$11,824 SGD
$9,249 USD
View
Most Expensive
B+
Taylor and Hart
QHVPPCE · Oct 31
$16,552 SGD
$12,948 USD
View
18 more retailers have this diamond
Prices start from $3,956 SGDSave up to $12,596 SGD

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
$3,956 SGD