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Heart|Natural|IGI

2.51ct H SI2 Heart Natural Diamond

VG • H/SI2 • IGI 813642436

Shape and cutting style on the report: Heart brilliant

Certificate IGI 813642436

Diamond specifications and retailer prices

From £4,597 GBP
As of November 5, 2026
Save £2,761 GBP (38%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £7,358 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 2.51ct natural heart diamond

This 2.51ct natural heart sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 813642436. Listed at 4 retailers as of November 5, 2026, with prices from £4,597 to £7,358, a £2,761 spread on the same certified stone. The Diamond Guys lists it at £7,358. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 813642436
Dimensions8.23 × 9.28 × 5.44 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
8.23 mm9.28 mm2.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 813642436
Side View
Table 58.0%Crown 38°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 58.6%

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: £4,658 GBP|Low: £4,512 GBP|High: £8,644 GBP|Avg: £6,091 GBP|-12.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
November 6, 2026
Retailer 4£4,512 GBP
Retailer 2£4,597 GBP
Retailer 1£4,658 GBP
Retailer 3£5,769 GBP
The Diamond Guys£7,358 GBP
Retailer 5£8,644 GBP

21 data points across 6 retailers

4 retailers£4,597 GBP to £7,358 GBP

A
Cheapest Retailer
-
£4,597 GBP
A
Retailer 2
-
£4,658 GBP
View
A
Retailer 3
-
£5,769 GBP
View
Most Expensive
B+
The Diamond Guys
1966792127 · Nov 6
£7,358 GBP
$9,848 USD
View
3 more retailers have this diamond
Prices start from £4,597 GBPSave up to £2,761 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
£4,597 GBP