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Marquise|Lab Grown|IGI

4.02ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG754510285

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754510285

Diamond specifications and retailer prices

From $725 SGD
$567 USD
As of November 1, 2026
Save $3,559 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,284 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.02ct lab-grown marquise diamond

This 4.02ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754510285 or 754510285. Listed at 18 retailers as of November 1, 2026, with prices from $725 to $4,284, a $3,559 spread on the same certified stone. Brilliant Earth lists it at $4,284. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.02
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510285
Dimensions16.96 × 7.92 × 5.07 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.96 mm7.92 mm4.02 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510285
Side View
Table 61.0%Crown 39.9°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 64.0%

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: Nov 1
Current: $4,284 SGD|Low: $632 SGD|High: $7,648 SGD|Avg: $1,850 SGD|-44.0%
Brilliant Earth
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
November 2, 2026
Retailer 6$680 SGD
Retailer 14$725 SGD
Retailer 5$761 SGD
Retailer 8$843 SGD
Retailer 11$978 SGD
Retailer 15$1,081 SGD
Retailer 12$1,216 SGD
Retailer 9$1,329 SGD
Retailer 4$1,336 SGD
Retailer 13$1,473 SGD
Retailer 2$1,900 SGD
Retailer 7$2,218 SGD
Retailer 3$2,619 SGD
Retailer 16$2,652 SGD
Retailer 10$3,359 SGD
Brilliant Earth$4,284 SGD

40 data points across 16 retailers

18 retailers$725 SGD to $4,284 SGD

Retailer 1
-
$680 SGD
$532 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$725 SGD
$567 USD
View
Final sale: no returns
Retailer 3
-
$761 SGD
$595 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$843 SGD
$659 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$843 SGD
$659 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$978 SGD
$765 USD
View
B+
Retailer 7
-
$1,081 SGD
$845 USD
View
A
Retailer 8
-
$1,216 SGD
$951 USD
View
A
Retailer 9
-
$1,329 SGD
£818 GBP
View
A
Retailer 10
-
$1,336 SGD
€995 EUR
View
A
Retailer 11
-
$1,473 SGD
$1,152 USD
View
B+
Retailer 12
-
$1,900 SGD
$1,486 USD
View
Retailer 13
-
$2,218 SGD
$1,734 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$2,619 SGD
$2,048 USD
View
B
Retailer 15
-
$2,652 SGD
$2,073 USD
View
B
Retailer 16
-
$3,280 SGD
$2,565 USD
View
B
Retailer 17
-
$3,359 SGD
£2,068 GBP
View
Most Expensive
B
Brilliant Earth
18434020A · Nov 2
$4,284 SGD
$3,350 USD
View
17 more retailers have this diamond
Prices start from $725 SGDSave up to $3,559 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
$725 SGD