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Marquise|Lab Grown|IGI

3.03ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG842648556

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842648556

Diamond specifications and retailer prices

From HK$2,908 HKD
As of November 6, 2026
Save HK$18,332 HKD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$21,239 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.03ct lab-grown marquise diamond

This 3.03ct 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 LG842648556 or 842648556. Listed at 3 retailers as of November 4, 2026, with prices from HK$2,908 to HK$21,239, a HK$18,332 spread on the same certified stone. Brilliant Earth lists it at HK$21,239. 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

3.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842648556
Dimensions14.46 × 7.62 × 4.84 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.46 mm7.62 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842648556
Side View
Table 59.0%Crown 34.3°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: HK$21,239 HKD|Low: HK$2,908 HKD|High: HK$21,239 HKD|Avg: HK$11,368 HKD
Brilliant Earth
Retailer 2
Retailer 3
November 4, 2026
Retailer 3HK$2,908 HKD
Retailer 2HK$5,941 HKD
Brilliant EarthHK$21,239 HKD

25 data points across 3 retailers

3 retailersHK$2,908 HKD to HK$21,239 HKD

A
Cheapest Retailer
-
HK$2,908 HKD
Final sale: no returns
A
Retailer 2
-
HK$5,941 HKD
View
Most Expensive
B
Brilliant Earth
21744000A · Nov 4
HK$21,239 HKD
$2,710 USD
View
2 more retailers have this diamond
Prices start from HK$2,908 HKDSave up to HK$18,332 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
3.03ct Marquise
HK$2,908 HKD