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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG828671781

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828671781

Diamond specifications and retailer prices

From HK$1,710 HKD
$218 USD
As of November 2, 2026
Save HK$8,116 HKD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,827 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 LG828671781 or 828671781. Listed at 18 retailers as of November 1, 2026, with prices from HK$1,710 to HK$9,827, a HK$8,116 spread on the same certified stone. Reve Diamonds lists it at HK$9,827. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828671781
Dimensions10.73 × 5.90 × 3.60 mm
L/W Ratio1.82
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.73 mm5.90 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828671781
Side View
Table 55.0%Crown 30.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.0%

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$3,914 HKD|Low: HK$1,648 HKD|High: HK$8,619 HKD|Avg: HK$4,178 HKD|+3.8%
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
November 2, 2026
Retailer 2HK$1,710 HKD
Retailer 7HK$1,914 HKD
Retailer 5HK$1,985 HKD
Retailer 3HK$2,126 HKD
Retailer 6HK$2,126 HKD
Retailer 11HK$2,864 HKD
Retailer 14HK$3,559 HKD
Retailer 8HK$3,669 HKD
Retailer 1HK$3,914 HKD
Retailer 13HK$5,192 HKD
Retailer 12HK$5,834 HKD
Retailer 9HK$5,963 HKD
Retailer 4HK$6,834 HKD
Retailer 15HK$6,857 HKD
Retailer 10HK$8,520 HKD

44 data points across 15 retailers

18 retailersHK$1,710 HKD to HK$9,827 HKD

A
Cheapest Retailer
-
HK$1,710 HKD
$218 USD
A
Retailer 2
-
HK$1,914 HKD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,985 HKD
$253 USD
View
Retailer 4
-
HK$2,126 HKD
$271 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,126 HKD
$271 USD
View
B+
Retailer 6
-
HK$2,864 HKD
$365 USD
View
A
Retailer 7
-
HK$3,559 HKD
€432 EUR
View
A
Retailer 8
-
HK$3,669 HKD
ZAR 7,555 ZAR
View
A
Retailer 9
-
HK$3,914 HKD
£393 GBP
View
A
Retailer 10
-
HK$3,994 HKD
$509 USD
View
B+
Retailer 11
-
HK$5,192 HKD
A$1,018 AUD
View
B+
Retailer 12
-
HK$5,834 HKD
A$1,144 AUD
View
B+
Retailer 13
-
HK$5,963 HKD
$760 USD
View
B
Retailer 14
-
HK$6,834 HKD
$871 USD
View
B
Retailer 15
-
HK$6,857 HKD
$874 USD
View
B
Retailer 16
-
HK$7,246 HKD
$924 USD
View
B
Retailer 17
-
HK$8,520 HKD
£855 GBP
View
Most Expensive
B
Reve Diamonds
94255A0C7 · Nov 1
HK$9,827 HKD
$1,252 USD
View
17 more retailers have this diamond
Prices start from HK$1,710 HKDSave up to HK$8,116 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$1,710 HKD