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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG818650471

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818650471

Diamond specifications and retailer prices

From HK$1,703 HKD
$217 USD
As of November 1, 2026
Save HK$7,516 HKD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$9,219 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 LG818650471 or 818650471. Listed at 16 retailers as of November 1, 2026, with prices from HK$1,703 to HK$9,219, a HK$7,516 spread on the same certified stone. Reve Diamonds lists it at HK$9,219. 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 angle33.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818650471
Dimensions12.72 × 5.42 × 3.18 mm
L/W Ratio2.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.72 mm5.42 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818650471
Side View
Table 60.0%Crown 33.1°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 58.7%

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 1
Current: HK$4,872 HKD|Low: HK$1,703 HKD|High: HK$9,268 HKD|Avg: HK$4,734 HKD|+10.7%
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
Reve Diamonds
November 2, 2026
Retailer 3HK$1,703 HKD
Retailer 7HK$2,260 HKD
Retailer 4HK$2,550 HKD
Retailer 9HK$3,261 HKD
Retailer 12HK$3,312 HKD
Retailer 8HK$3,446 HKD
Retailer 2HK$3,923 HKD
Retailer 6HK$4,605 HKD
Retailer 1HK$4,872 HKD
Retailer 13HK$5,845 HKD
Retailer 5HK$6,494 HKD
Retailer 11HK$7,061 HKD
Retailer 10HK$8,829 HKD
Reve DiamondsHK$9,219 HKD

36 data points across 14 retailers

16 retailersHK$1,703 HKD to HK$9,219 HKD

A
Cheapest Retailer
-
HK$1,703 HKD
$217 USD
Final sale: no returns
Retailer 2
-
HK$1,883 HKD
$240 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
HK$2,109 HKD
View
A
Retailer 4
-
HK$2,260 HKD
£227 GBP
View
B+
Retailer 5
-
HK$2,550 HKD
$325 USD
View
A
Retailer 6
-
HK$3,261 HKD
ZAR 6,714 ZAR
View
A
Retailer 7
-
HK$3,312 HKD
€402 EUR
View
A
Retailer 8
-
HK$3,446 HKD
£346 GBP
View
A
Retailer 9
-
HK$3,923 HKD
$500 USD
View
B+
Retailer 10
-
HK$4,605 HKD
A$903 AUD
View
B+
Retailer 11
-
HK$4,872 HKD
$621 USD
View
B+
Retailer 12
-
HK$5,845 HKD
$745 USD
View
B
Retailer 13
-
HK$6,494 HKD
$828 USD
View
B
Retailer 14
-
HK$7,061 HKD
$900 USD
View
B
Retailer 15
-
HK$8,829 HKD
£886 GBP
View
Most Expensive
B
Reve Diamonds
148CC4C3D · Nov 1
HK$9,219 HKD
$1,175 USD
View
15 more retailers have this diamond
Prices start from HK$1,703 HKDSave up to HK$7,516 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$1,703 HKD