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Marquise|Lab Grown|IGI

1.03ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG818677644

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677644

Diamond specifications and retailer prices

From HK$2,375 HKD
As of November 6, 2026
Save HK$7,579 HKD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$9,953 HKD at Brilliant Earth · As of November 6, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818677644 or 818677644. Listed at 21 retailers as of November 6, 2026, with prices from HK$2,375 to HK$9,953, a HK$7,579 spread on the same certified stone. Brilliant Earth lists it at HK$9,953. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677644
Dimensions9.67 × 5.46 × 3.27 mm
L/W Ratio1.77
Girdle conditionFaceted
Culet sizeNone
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
9.67 mm5.46 mm1.03 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677644
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 59.9%

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: Nov 6
Current: HK$9,953 HKD|Low: HK$1,771 HKD|High: HK$13,872 HKD|Avg: HK$5,553 HKD|-28.2%
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
November 7, 2026
Retailer 7HK$1,771 HKD
Retailer 6HK$2,320 HKD
Retailer 9HK$2,375 HKD
Retailer 11HK$3,880 HKD
Retailer 14HK$3,981 HKD
Retailer 8HK$4,021 HKD
Retailer 2HK$4,467 HKD
Retailer 5HK$4,522 HKD
Retailer 10HK$4,796 HKD
Retailer 3HK$5,706 HKD
Retailer 15HK$5,878 HKD
Retailer 12HK$7,634 HKD
Retailer 13HK$8,033 HKD
Retailer 4HK$9,279 HKD
Brilliant EarthHK$9,953 HKD

42 data points across 15 retailers

21 retailersHK$2,375 HKD to HK$9,953 HKD

Retailer 1
-
HK$1,771 HKD
Price last confirmed 36 days ago
Retailer 2
-
HK$1,834 HKD
View
Price last confirmed 30 days ago
Retailer 3
-
HK$2,140 HKD
View
Price last confirmed 39 days ago
Retailer 4
-
HK$2,257 HKD
View
Price last confirmed 40 days ago
Retailer 5
-
HK$2,281 HKD
View
Price last confirmed 35 days ago
Retailer 6
-
HK$2,320 HKD
View
Price last confirmed 13 days ago
A
Retailer 7
-
HK$2,375 HKD
View
A
Retailer 8
-
HK$3,880 HKD
View
A
Retailer 9
-
HK$3,981 HKD
View
A
Retailer 10
-
HK$4,021 HKD
View
B+
Retailer 11
-
HK$4,467 HKD
View
B+
Retailer 12
-
HK$4,522 HKD
View
B+
Retailer 13
-
HK$4,796 HKD
View
B+
Retailer 14
-
HK$5,706 HKD
View
B+
Retailer 15
-
HK$5,878 HKD
View
Retailer 16
-
HK$7,351 HKD
View
Price last confirmed 38 days ago
Retailer 17
-
HK$7,453 HKD
View
Price last confirmed 10 days ago
B
Retailer 18
-
HK$7,634 HKD
View
B
Retailer 19
-
HK$8,033 HKD
View
B
Retailer 20
-
HK$9,279 HKD
View
Most Expensive
B
Brilliant Earth
20947976A · Nov 6
HK$9,953 HKD
$1,270 USD
View
20 more retailers have this diamond
Prices start from HK$2,375 HKDSave up to HK$7,579 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$2,375 HKD