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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG769673855

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG769673855

Diamond specifications and retailer prices

From HK$4,376 HKD
A$858 AUD
As of November 2, 2026
Save HK$3,313 HKD (43%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$8,619 HKD at MOH London · As of October 19, 2026
View at MOH London

About this 1.31ct lab-grown marquise diamond

This 1.31ct 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 LG769673855 or 769673855. Listed at 18 retailers as of November 2, 2026, with a 76% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769673855
Dimensions11.72 × 5.74 × 3.53 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm5.74 mm1.31 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769673855
Side View
Table 57.0%Crown 32.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$8,619 HKD|Low: HK$2,142 HKD|High: HK$8,679 HKD|Avg: HK$4,940 HKD|+0.6%
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
October 19, 2026
Retailer 13HK$2,142 HKD
Retailer 11HK$2,573 HKD
Retailer 5HK$2,887 HKD
Retailer 9HK$3,641 HKD
Retailer 8HK$3,716 HKD
Retailer 2HK$3,876 HKD
Retailer 6HK$4,376 HKD
Retailer 4HK$4,653 HKD
Retailer 10HK$5,263 HKD
Retailer 12HK$5,571 HKD
Retailer 3HK$5,890 HKD
Retailer 7HK$7,689 HKD
MOH LondonHK$8,619 HKD

30 data points across 13 retailers

18 retailersHK$4,376 HKD to HK$7,689 HKD

Retailer 1
-
HK$1,726 HKD
$220 USD
Price last confirmed 16 days ago
Retailer 2
-
HK$2,001 HKD
$255 USD
View
Price last confirmed 18 days ago
Retailer 3
-
HK$2,142 HKD
$273 USD
View
Price last confirmed 15 days ago
Retailer 4
-
HK$2,142 HKD
$273 USD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$2,573 HKD
£258 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
HK$2,887 HKD
$368 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$3,641 HKD
ZAR 7,497 ZAR
View
Price last confirmed 15 days ago
Retailer 8
-
HK$3,876 HKD
£389 GBP
View
Price last confirmed 14 days ago
Retailer 9
-
HK$3,994 HKD
$509 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
HK$4,376 HKD
A$858 AUD
View
Retailer 11
-
HK$4,653 HKD
$593 USD
View
Price last confirmed 14 days ago
Retailer 12
-
HK$5,263 HKD
A$1,032 AUD
View
Price last confirmed 15 days ago
Retailer 13
-
HK$5,571 HKD
$710 USD
View
Price last confirmed 13 days ago
Retailer 14
-
HK$5,890 HKD
A$1,155 AUD
View
Price last confirmed 25 days ago
Retailer 15
-
HK$6,873 HKD
$876 USD
View
Price last confirmed 17 days ago
Retailer 16
-
HK$7,290 HKD
$929 USD
View
Price last confirmed 15 days ago
B
Retailer 17
-
HK$7,689 HKD
$980 USD
View
Most Expensive
MOH London
LG769673855 · Oct 19
HK$8,619 HKD
£865 GBP
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from HK$4,376 HKDSave up to HK$3,313 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.

B+
1.31ct Marquise
HK$4,376 HKD