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 HK$4,449 HKD
$567 USD
As of November 1, 2026
Save HK$21,836 HKD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$26,284 HKD 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 17 retailers as of November 1, 2026, with prices from HK$4,449 to HK$26,284, a HK$21,836 spread on the same certified stone. Brilliant Earth lists it at HK$26,284. 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: HK$26,284 HKD|Low: HK$3,876 HKD|High: HK$46,920 HKD|Avg: HK$11,350 HKD|-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 6HK$4,174 HKD
Retailer 14HK$4,449 HKD
Retailer 5HK$4,668 HKD
Retailer 8HK$5,171 HKD
Retailer 11HK$6,002 HKD
Retailer 15HK$6,630 HKD
Retailer 12HK$7,462 HKD
Retailer 9HK$8,153 HKD
Retailer 4HK$8,197 HKD
Retailer 13HK$9,039 HKD
Retailer 2HK$11,659 HKD
Retailer 7HK$13,605 HKD
Retailer 3HK$16,068 HKD
Retailer 16HK$16,268 HKD
Retailer 10HK$20,607 HKD
Brilliant EarthHK$26,284 HKD

40 data points across 16 retailers

17 retailersHK$4,449 HKD to HK$26,284 HKD

Retailer 1
-
HK$4,174 HKD
$532 USD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$4,449 HKD
$567 USD
View
Final sale: no returns
Retailer 3
-
HK$4,668 HKD
$595 USD
View
Price last confirmed 12 days ago
Retailer 4
-
HK$5,171 HKD
$659 USD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$5,171 HKD
$659 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$6,002 HKD
$765 USD
View
B+
Retailer 7
-
HK$6,630 HKD
$845 USD
View
A
Retailer 8
-
HK$7,462 HKD
$951 USD
View
A
Retailer 9
-
HK$8,153 HKD
£818 GBP
View
B+
Retailer 10
-
HK$8,197 HKD
€995 EUR
View
A
Retailer 11
-
HK$9,039 HKD
$1,152 USD
View
B+
Retailer 12
-
HK$11,659 HKD
$1,486 USD
View
Retailer 13
-
HK$13,605 HKD
$1,734 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
HK$16,068 HKD
$2,048 USD
View
B
Retailer 15
-
HK$16,268 HKD
$2,073 USD
View
B
Retailer 16
-
HK$20,607 HKD
£2,068 GBP
View
Most Expensive
B
Brilliant Earth
18434020A · Nov 2
HK$26,284 HKD
$3,350 USD
View
16 more retailers have this diamond
Prices start from HK$4,449 HKDSave up to HK$21,836 HKD

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
HK$4,449 HKD