Marquise|Lab Grown|IGI

1.28ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG769673857

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG769673857

Diamond specifications and retailer prices

From HK$1,687 HKD
As of November 4, 2026
Save HK$6,693 HKD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$8,379 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG769673857 or 769673857. Listed at 21 retailers as of November 4, 2026, with prices from HK$1,687 to HK$8,379, a HK$6,693 spread on the same certified stone. MOH London lists it at HK$8,379. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769673857
Dimensions11.49 × 5.72 × 3.47 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.49 mm5.72 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769673857
Side View
Table 59.0%Crown 33.7°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 60.7%

Caratlytics Score

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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 4
Current: HK$8,379 HKD|Low: HK$1,624 HKD|High: HK$8,499 HKD|Avg: HK$4,361 HKD|-1.2%
MOH London
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
Retailer 16
November 5, 2026
Retailer 15HK$1,687 HKD
Retailer 7HK$1,961 HKD
Retailer 3HK$2,095 HKD
Retailer 6HK$2,095 HKD
Retailer 4HK$2,518 HKD
Retailer 13HK$3,475 HKD
Retailer 12HK$3,617 HKD
Retailer 9HK$3,844 HKD
Retailer 16HK$4,370 HKD
Retailer 10HK$5,123 HKD
Retailer 8HK$5,374 HKD
Retailer 11HK$5,499 HKD
Retailer 14HK$5,719 HKD
Retailer 5HK$6,739 HKD
Retailer 2HK$7,845 HKD
MOH LondonHK$8,379 HKD

36 data points across 16 retailers

21 retailersHK$1,687 HKD to HK$8,379 HKD

A
Cheapest Retailer
-
HK$1,687 HKD
A
Retailer 2
-
HK$1,961 HKD
View
A
Retailer 3
-
HK$2,095 HKD
View
Retailer 4
-
HK$2,095 HKD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
HK$2,824 HKD
View
Retailer 6
-
HK$3,475 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$3,617 HKD
View
A
Retailer 8
-
HK$3,836 HKD
View
A
Retailer 9
-
HK$3,844 HKD
View
B+
Retailer 10
-
HK$4,370 HKD
View
B+
Retailer 11
-
HK$4,605 HKD
View
B+
Retailer 12
-
HK$5,123 HKD
View
B+
Retailer 13
-
HK$5,374 HKD
View
B+
Retailer 14
-
HK$5,499 HKD
View
Retailer 15
-
HK$5,719 HKD
View
Price last confirmed 10 days ago
B
Retailer 16
-
HK$6,739 HKD
View
B
Retailer 17
-
HK$7,147 HKD
View
B
Retailer 18
-
HK$7,186 HKD
View
B
Retailer 19
-
HK$7,845 HKD
View
B
Retailer 20
-
HK$8,128 HKD
View
Most Expensive
B
MOH London
LG769673857 · Nov 5
HK$8,379 HKD
£841 GBP
View
20 more retailers have this diamond
Prices start from HK$1,687 HKDSave up to HK$6,693 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
1.28ct Marquise
HK$1,687 HKD