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Heart|Lab Grown|IGI

2.51ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG512231567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512231567

Diamond specifications and retailer prices

From HK$25,707 HKD
As of November 6, 2026
Save HK$56,420 HKD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$82,126 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512231567 or 512231567. Listed at 13 retailers as of November 5, 2026, with prices from HK$25,707 to HK$82,126, a HK$56,420 spread on the same certified stone. MOH London lists it at HK$82,126. 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

2.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512231567
Dimensions9.42 × 8.08 × 5.66 mm
L/W Ratio1.17
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
9.42 mm8.08 mm2.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512231567
Side View
Table 59.5%Crown 35.7°Girdle: MED-VTKPavilion 39.4°Culet: NoneDepth 60.1%

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 6
Current: HK$82,126 HKD|Low: HK$25,707 HKD|High: HK$83,341 HKD|Avg: HK$47,540 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6HK$25,707 HKD
Retailer 8HK$34,289 HKD
Retailer 12HK$35,934 HKD
Retailer 4HK$38,395 HKD
Retailer 3HK$39,775 HKD
Retailer 9HK$39,775 HKD
Retailer 11HK$49,697 HKD
Retailer 5HK$51,045 HKD
Retailer 7HK$51,750 HKD
Retailer 2HK$52,244 HKD
Retailer 10HK$61,547 HKD
MOH LondonHK$82,126 HKD

44 data points across 12 retailers

13 retailersHK$25,707 HKD to HK$82,126 HKD

B+
Cheapest Retailer
-
HK$25,707 HKD
B
Retailer 2
-
HK$34,289 HKD
View
B
Retailer 3
-
HK$35,934 HKD
View
B
Retailer 4
-
HK$38,395 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$39,775 HKD
View
Retailer 6
-
HK$39,775 HKD
View
Price last confirmed 26 days ago
B
Retailer 7
-
HK$40,127 HKD
View
B
Retailer 8
-
HK$49,697 HKD
View
B
Retailer 9
-
HK$51,045 HKD
View
B
Retailer 10
-
HK$51,750 HKD
View
B
Retailer 11
-
HK$52,244 HKD
View
B
Retailer 12
-
HK$61,547 HKD
View
Most Expensive
B
MOH London
LG512231567 · Nov 5
HK$82,126 HKD
£8,251 GBP
View
12 more retailers have this diamond
Prices start from HK$25,707 HKDSave up to HK$56,420 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+
2.51ct Heart
HK$25,707 HKD