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Marquise|Lab Grown|IGI

1.03ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG784639658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784639658

Diamond specifications and retailer prices

From HK$5,721 HKD
$730 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: HK$5,721 HKD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784639658 or 784639658. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.03
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639658
Dimensions10.09 × 5.31 × 3.40 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.09 mm5.31 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639658
Side View
Table 55.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: HK$5,721 HKD|Low: HK$799 HKD|High: HK$8,700 HKD|Avg: HK$3,524 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
July 2, 2026
Retailer 9HK$799 HKD
Retailer 10HK$2,524 HKD
Retailer 2HK$2,782 HKD
Retailer 3HK$3,300 HKD
Retailer 7HK$3,527 HKD
Retailer 5HK$3,817 HKD
Retailer 6HK$4,373 HKD
Retailer 4HK$4,538 HKD
Retailer 8HK$5,384 HKD
Brilliant EarthHK$5,721 HKD

56 data points across 10 retailers

1 retailer

B
Brilliant Earth
18321999A · Nov 6
HK$5,721 HKD
$730 USD
View

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B
1.03ct Marquise
HK$5,721 HKD