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Marquise|Lab Grown|IGI

4.02ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839622928

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839622928

Diamond specifications and retailer prices

From $5,218 SGD
£3,214 GBP
As of October 30, 2026
Save $22,980 SGD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $28,199 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.02ct lab-grown marquise diamond

This 4.02ct 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 LG839622928 or 839622928. Listed at 19 retailers as of October 30, 2026, with prices from $5,218 to $28,199, a $22,980 spread on the same certified stone. Taylor and Hart lists it at $28,199. 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

4.02
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839622928
Dimensions16.18 × 8.33 × 4.94 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.18 mm8.33 mm4.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839622928
Side View
Table 61.0%Crown 34.5°Girdle: THK-VTKPavilion 36.9°Culet: NoneDepth 59.3%

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: $8,083 SGD|Low: $5,218 SGD|High: $30,859 SGD|Avg: $13,484 SGD|-11.0%
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 11$5,218 SGD
Retailer 10$6,030 SGD
Retailer 8$7,295 SGD
Retailer 5$7,300 SGD
Retailer 1$8,083 SGD
Retailer 7$8,128 SGD
Retailer 6$8,787 SGD
Retailer 4$8,832 SGD
Retailer 9$11,665 SGD
Retailer 3$12,899 SGD
Retailer 2$16,981 SGD
Retailer 12$17,666 SGD
Taylor and Hart$28,199 SGD

34 data points across 13 retailers

19 retailers$5,218 SGD to $28,199 SGD

A
Cheapest Retailer
-
$5,218 SGD
£3,214 GBP
A
Retailer 2
-
$6,030 SGD
$4,717 USD
View
Final sale: no returns
A
Retailer 3
-
$7,295 SGD
$5,706 USD
View
A
Retailer 4
-
$7,300 SGD
$5,710 USD
View
Retailer 5
-
$7,310 SGD
$5,718 USD
View
Price last confirmed 26 days ago
Retailer 6
-
$7,614 SGD
$5,956 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$7,980 SGD
$6,242 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$8,083 SGD
£4,979 GBP
View
A
Retailer 9
-
$8,128 SGD
$6,358 USD
View
Retailer 10
-
$8,711 SGD
$6,814 USD
View
Price last confirmed 33 days ago
A
Retailer 11
-
$8,787 SGD
£5,412 GBP
View
Retailer 12
-
$8,832 SGD
$6,909 USD
View
Price last confirmed 19 days ago
Retailer 13
-
$8,832 SGD
$6,909 USD
View
Price last confirmed 28 days ago
Retailer 14
-
$10,485 SGD
$8,202 USD
View
Price last confirmed 31 days ago
A
Retailer 15
-
$11,665 SGD
$9,125 USD
View
A
Retailer 16
-
$12,899 SGD
$10,090 USD
View
B+
Retailer 17
-
$16,981 SGD
£10,459 GBP
View
B+
Retailer 18
-
$17,666 SGD
ZAR 223,248 ZAR
View
Most Expensive
B
Taylor and Hart
BUYZF8Z · Oct 31
$28,199 SGD
$22,058 USD
View
18 more retailers have this diamond
Prices start from $5,218 SGDSave up to $22,980 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
4.02ct Marquise
$5,218 SGD