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Marquise|Lab Grown|IGI

1.31ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG524239249

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG524239249

Diamond specifications and retailer prices

From HK$2,448 HKD
As of November 4, 2026
Save HK$8,898 HKD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$11,346 HKD at Reve Diamonds · As of November 6, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524239249 or 524239249. Listed at 17 retailers as of November 4, 2026, with prices from HK$2,448 to HK$11,346, a HK$8,898 spread on the same certified stone. Reve Diamonds lists it at HK$11,346. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.31
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524239249
Dimensions11.15 × 5.86 × 3.56 mm
L/W Ratio1.90
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
11.15 mm5.86 mm1.31 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524239249
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$4,739 HKD|Low: HK$2,103 HKD|High: HK$11,007 HKD|Avg: HK$5,082 HKD|+2.2%
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
November 6, 2026
Retailer 13HK$2,189 HKD
Retailer 6HK$2,448 HKD
Retailer 4HK$2,542 HKD
Retailer 14HK$2,714 HKD
Retailer 10HK$3,860 HKD
Retailer 11HK$3,962 HKD
Retailer 12HK$4,448 HKD
Retailer 3HK$4,480 HKD
Retailer 1HK$4,739 HKD
Retailer 5HK$5,288 HKD
Retailer 8HK$7,037 HKD
Retailer 2HK$8,732 HKD
Retailer 7HK$10,873 HKD
Retailer 9HK$10,905 HKD

42 data points across 14 retailers

17 retailersHK$2,448 HKD to HK$11,346 HKD

Retailer 1
-
HK$2,189 HKD
Price last confirmed 16 days ago
A
Retailer 2
-
HK$2,448 HKD
View
Final sale: no returns
Retailer 3
-
HK$2,542 HKD
View
Price last confirmed 16 days ago
Retailer 4
-
HK$2,714 HKD
View
Price last confirmed 15 days ago
Retailer 5
-
HK$2,714 HKD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
HK$3,860 HKD
View
B+
Retailer 7
-
HK$3,962 HKD
View
Retailer 8
-
HK$4,448 HKD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
HK$4,480 HKD
View
B+
Retailer 10
-
HK$4,739 HKD
View
B+
Retailer 11
-
HK$5,288 HKD
View
B
Retailer 12
-
HK$7,037 HKD
View
Retailer 13
-
HK$8,732 HKD
View
Price last confirmed 15 days ago
B
Retailer 14
-
HK$9,124 HKD
View
B
Retailer 15
-
HK$10,873 HKD
View
B
Retailer 16
-
HK$10,905 HKD
View
Most Expensive
B
Reve Diamonds
4DB39F678 · Nov 6
HK$11,346 HKD
$1,446 USD
View
16 more retailers have this diamond
Prices start from HK$2,448 HKDSave up to HK$8,898 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$2,448 HKD