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Marquise|Lab Grown|IGI

1.31ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG508156280

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG508156280

Diamond specifications and retailer prices

From HK$7,846 HKD
$1,000 USD
As of November 2, 2026
Save HK$7,195 HKD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$19,709 HKD at Friendly Diamonds · As of November 2, 2026
View at Friendly 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508156280 or 508156280. Listed at 14 retailers as of November 1, 2026, with a 92% 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156280
Dimensions11.11 × 5.79 × 3.51 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.11 mm5.79 mm1.31 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG508156280
Side View
Table 64.0%Crown 31.7°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.6%

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$13,470 HKD|Low: HK$7,807 HKD|High: HK$32,375 HKD|Avg: HK$14,646 HKD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5HK$7,846 HKD
Retailer 6HK$8,129 HKD
Retailer 10HK$8,850 HKD
Retailer 11HK$9,109 HKD
Retailer 7HK$9,431 HKD
Retailer 3HK$10,788 HKD
Retailer 1HK$13,470 HKD
Retailer 8HK$15,041 HKD
Retailer 9HK$17,677 HKD
Retailer 2HK$26,067 HKD
Retailer 4HK$31,986 HKD

43 data points across 11 retailers

14 retailersHK$7,846 HKD to HK$15,041 HKD

B+
Cheapest Retailer
-
HK$7,846 HKD
$1,000 USD
B
Retailer 2
-
HK$8,129 HKD
$1,036 USD
View
B
Retailer 3
-
HK$8,850 HKD
$1,128 USD
View
B
Retailer 4
-
HK$9,109 HKD
$1,161 USD
View
Final sale: no returns
Retailer 5
-
HK$9,431 HKD
$1,202 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
HK$9,431 HKD
$1,202 USD
View
B
Retailer 7
-
HK$10,788 HKD
$1,375 USD
View
B
Retailer 8
-
HK$13,470 HKD
£1,352 GBP
View
B
Retailer 9
-
HK$15,041 HKD
$1,917 USD
View
Retailer 10
-
HK$17,677 HKD
$2,253 USD
View
Price under review
Most Expensive
Friendly Diamonds
2231555 · Nov 2
HK$19,709 HKD
$2,512 USD
View
Price under review
10 more retailers have this diamond
Prices start from HK$7,846 HKDSave up to HK$7,195 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$7,846 HKD