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Heart|Lab Grown|IGI

1.31ct H SI1 Heart Lab Grown Diamond

ID • H/SI1 • IGI LG522254244

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG522254244

Diamond specifications and retailer prices

From HK$2,312 HKD
As of November 6, 2026
Save HK$9,418 HKD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$11,730 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.31ct lab-grown heart diamond

This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522254244 or 522254244. Listed at 16 retailers as of November 6, 2026, with prices from HK$2,312 to HK$11,730, a HK$9,418 spread on the same certified stone. Reve Diamonds lists it at HK$11,730. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522254244
Dimensions7.92 × 7.08 × 4.21 mm
L/W Ratio1.12
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
7.92 mm7.08 mm1.31 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522254244
Side View
Table 59.5%Crown 31.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 53.2%

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 6
Current: HK$11,450 HKD|Low: HK$2,218 HKD|High: HK$16,161 HKD|Avg: HK$6,777 HKD|-1.5%
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
Reve Diamonds
November 5, 2026
Retailer 11HK$2,312 HKD
Retailer 5HK$2,586 HKD
Retailer 15HK$2,680 HKD
Retailer 2HK$2,868 HKD
Retailer 12HK$2,868 HKD
Retailer 3HK$3,746 HKD
Retailer 9HK$4,075 HKD
Retailer 14HK$4,695 HKD
Retailer 4HK$4,836 HKD
Retailer 8HK$6,819 HKD
Retailer 10HK$8,809 HKD
Retailer 13HK$9,217 HKD
Retailer 6HK$9,593 HKD
Retailer 1HK$11,450 HKD
Reve DiamondsHK$11,730 HKD
Retailer 7HK$16,161 HKD

26 data points across 16 retailers

16 retailersHK$2,312 HKD to HK$11,730 HKD

A
Cheapest Retailer
-
HK$2,312 HKD
B+
Retailer 2
-
HK$2,586 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$2,680 HKD
View
B+
Retailer 4
-
HK$2,868 HKD
View
Retailer 5
-
HK$2,868 HKD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
HK$3,746 HKD
View
B+
Retailer 7
-
HK$4,075 HKD
View
B+
Retailer 8
-
HK$4,695 HKD
View
B+
Retailer 9
-
HK$4,836 HKD
View
B+
Retailer 10
-
HK$4,914 HKD
View
B+
Retailer 11
-
HK$6,819 HKD
View
B+
Retailer 12
-
HK$8,809 HKD
View
B+
Retailer 13
-
HK$9,217 HKD
View
B+
Retailer 14
-
HK$9,593 HKD
View
B+
Retailer 15
-
HK$11,450 HKD
View
Most Expensive
B
Reve Diamonds
CAC247731 · Nov 6
HK$11,730 HKD
$1,497 USD
View
15 more retailers have this diamond
Prices start from HK$2,312 HKDSave up to HK$9,418 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 Heart
HK$2,312 HKD