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Marquise|Lab Grown|IGI

1.10ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG841604186

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841604186

Diamond specifications and retailer prices

From HK$1,349 HKD
As of November 4, 2026
Save HK$3,672 HKD (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$5,021 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.1ct lab-grown marquise diamond

This 1.1ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841604186 or 841604186. Listed at 3 retailers as of November 4, 2026, with prices from HK$1,349 to HK$5,021, a HK$3,672 spread on the same certified stone. Brilliant Earth lists it at HK$5,021. 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

1.10
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841604186
Dimensions10.41 × 5.54 × 3.41 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.41 mm5.54 mm1.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841604186
Side View
Table 61.0%Crown 34.6°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: HK$5,021 HKD|Low: HK$1,342 HKD|High: HK$5,021 HKD|Avg: HK$3,292 HKD
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3HK$1,349 HKD
Retailer 2HK$2,714 HKD
Brilliant EarthHK$5,021 HKD

33 data points across 3 retailers

3 retailersHK$1,349 HKD to HK$5,021 HKD

A
Cheapest Retailer
-
HK$1,349 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,714 HKD
View
Most Expensive
B
Brilliant Earth
21623666A · Nov 4
HK$5,021 HKD
$640 USD
View
2 more retailers have this diamond
Prices start from HK$1,349 HKDSave up to HK$3,672 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
1.10ct Marquise
HK$1,349 HKD