Heart|Natural|IGI

2.51ct G SI1 Heart Natural Diamond

VG • G/SI1 • IGI 737544108

Shape and cutting style on the report: Heart brilliant

Certificate IGI 737544108

Diamond specifications and retailer prices

From £10,170 GBP
As of November 5, 2026
Save £4,696 GBP (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £14,866 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 2.51ct natural heart diamond

This 2.51ct natural heart sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 737544108. Listed at 3 retailers as of November 4, 2026, with prices from £10,170 to £14,866, a £4,696 spread on the same certified stone. MOH London lists it at £14,866. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle38°
OriginNatural
Grading LabIGI
CertificateIGI 737544108
Dimensions7.57 × 9.08 × 5.81 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Top View
7.57 mm9.08 mm2.51 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737544108
Side View
Table 59.0%Crown 43°Girdle: STK-VTKPavilion 38°Culet: NoneDepth 64.0%

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 5
Current: £14,866 GBP|Low: £8,347 GBP|High: £15,086 GBP|Avg: £10,276 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£8,347 GBP
Retailer 7£8,458 GBP
Retailer 8£9,384 GBP
Retailer 10£9,434 GBP
Retailer 6£9,680 GBP
Retailer 2£10,170 GBP
Retailer 9£10,796 GBP
Retailer 5£10,970 GBP
Retailer 3£11,242 GBP
MOH London£14,866 GBP

18 data points across 10 retailers

3 retailers£10,170 GBP to £14,866 GBP

A
Cheapest Retailer
-
£10,170 GBP
B+
Retailer 2
-
£11,242 GBP
View
Most Expensive
B+
MOH London
2985F7E60 · Nov 4
£14,866 GBP
View
2 more retailers have this diamond
Prices start from £10,170 GBPSave up to £4,696 GBP

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
2.51ct Heart
£10,170 GBP