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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG678573572

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG678573572

Diamond specifications and retailer prices

From HK$1,561 HKD
$199 USD
As of October 30, 2026
Save HK$9,344 HKD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,906 HKD at Brilliant Earth · As of October 30, 2026
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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG678573572 or 678573572. Listed at 13 retailers as of October 30, 2026, with prices from HK$1,561 to HK$10,906, a HK$9,344 spread on the same certified stone. Brilliant Earth lists it at HK$10,906. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678573572
Dimensions10.13 × 5.45 × 3.30 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.13 mm5.45 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678573572
Side View
Table 58.0%Crown 33.1°Girdle: MediumPavilion 39.7°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: Oct 30
Current: HK$10,906 HKD|Low: HK$1,561 HKD|High: HK$13,730 HKD|Avg: HK$5,430 HKD|-20.6%
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
October 30, 2026
Retailer 3HK$1,561 HKD
Retailer 10HK$1,812 HKD
Retailer 5HK$2,181 HKD
Retailer 13HK$2,707 HKD
Retailer 9HK$3,336 HKD
Retailer 6HK$3,687 HKD
Retailer 11HK$3,797 HKD
Retailer 7HK$4,137 HKD
Retailer 2HK$4,733 HKD
Retailer 12HK$5,060 HKD
Retailer 14HK$6,222 HKD
Retailer 15HK$6,755 HKD
Retailer 4HK$8,866 HKD
Retailer 8HK$9,067 HKD
Brilliant EarthHK$10,906 HKD

34 data points across 15 retailers

13 retailersHK$1,561 HKD to HK$10,906 HKD

A
Cheapest Retailer
-
HK$1,561 HKD
$199 USD
A
Retailer 2
-
HK$1,812 HKD
$231 USD
View
A
Retailer 3
-
HK$2,181 HKD
$278 USD
View
Final sale: no returns
A
Retailer 4
-
HK$2,707 HKD
$345 USD
View
A
Retailer 5
-
HK$3,336 HKD
€405 EUR
View
A
Retailer 6
-
HK$3,797 HKD
$484 USD
View
A
Retailer 7
-
HK$4,733 HKD
A$928 AUD
View
B+
Retailer 8
-
HK$5,060 HKD
$645 USD
View
B+
Retailer 9
-
HK$6,222 HKD
$793 USD
View
B+
Retailer 10
-
HK$6,755 HKD
$861 USD
View
B
Retailer 11
-
HK$8,866 HKD
$1,130 USD
View
B
Retailer 12
-
HK$9,067 HKD
£910 GBP
View
Most Expensive
B
Brilliant Earth
14093526A · Oct 30
HK$10,906 HKD
$1,390 USD
View
12 more retailers have this diamond
Prices start from HK$1,561 HKDSave up to HK$9,344 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
1.03ct Marquise
HK$1,561 HKD