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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG817690044

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817690044

Diamond specifications and retailer prices

From HK$1,773 HKD
$226 USD
As of November 2, 2026
Save HK$8,238 HKD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$10,011 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG817690044 or 817690044. Listed at 21 retailers as of November 1, 2026, with prices from HK$1,773 to HK$10,011, a HK$8,238 spread on the same certified stone. Reve Diamonds lists it at HK$10,011. 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 angle33.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817690044
Dimensions12.77 × 5.35 × 3.28 mm
L/W Ratio2.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm5.35 mm1.31 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817690044
Side View
Table 60.0%Crown 33.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$5,370 HKD|Low: HK$1,703 HKD|High: HK$10,011 HKD|Avg: HK$4,632 HKD|-0.7%
Retailer 1
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
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 6HK$1,773 HKD
Retailer 5HK$1,977 HKD
Retailer 9HK$2,056 HKD
Retailer 4HK$2,197 HKD
Retailer 7HK$2,197 HKD
Retailer 10HK$2,628 HKD
Retailer 15HK$2,966 HKD
Retailer 16HK$3,666 HKD
Retailer 12HK$3,793 HKD
Retailer 11HK$4,065 HKD
Retailer 14HK$4,427 HKD
Retailer 1HK$5,370 HKD
Retailer 17HK$5,890 HKD
Retailer 2HK$6,002 HKD
Retailer 8HK$7,061 HKD
Retailer 3HK$7,085 HKD
Retailer 13HK$8,809 HKD
Reve DiamondsHK$10,011 HKD

37 data points across 18 retailers

21 retailersHK$1,773 HKD to HK$10,011 HKD

A
Cheapest Retailer
-
HK$1,773 HKD
$226 USD
A
Retailer 2
-
HK$1,977 HKD
$252 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,056 HKD
$262 USD
View
A
Retailer 4
-
HK$2,197 HKD
$280 USD
View
Retailer 5
-
HK$2,197 HKD
$280 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$2,628 HKD
£264 GBP
View
B+
Retailer 7
-
HK$2,966 HKD
$378 USD
View
A
Retailer 8
-
HK$3,666 HKD
€445 EUR
View
A
Retailer 9
-
HK$3,793 HKD
ZAR 7,810 ZAR
View
A
Retailer 10
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HK$4,009 HKD
$511 USD
View
A
Retailer 11
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HK$4,065 HKD
£408 GBP
View
B+
Retailer 12
-
HK$4,427 HKD
A$868 AUD
View
B+
Retailer 13
-
HK$4,708 HKD
$600 USD
View
B+
Retailer 14
-
HK$5,370 HKD
A$1,053 AUD
View
B+
Retailer 15
-
HK$5,890 HKD
A$1,155 AUD
View
B+
Retailer 16
-
HK$6,002 HKD
$765 USD
View
B
Retailer 17
-
HK$7,061 HKD
$900 USD
View
B
Retailer 18
-
HK$7,085 HKD
$903 USD
View
B
Retailer 19
-
HK$7,474 HKD
$953 USD
View
B
Retailer 20
-
HK$8,809 HKD
£884 GBP
View
Most Expensive
B
Reve Diamonds
A8865663F · Nov 1
HK$10,011 HKD
$1,276 USD
View
20 more retailers have this diamond
Prices start from HK$1,773 HKDSave up to HK$8,238 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
1.31ct Marquise
HK$1,773 HKD