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Heart|Natural|IGI

1.26ct F SI1 Heart Natural Diamond

VG • F/SI1 • IGI 208627186

Shape and cutting style on the report: Heart brilliant

Certificate IGI 208627186

Diamond specifications and retailer prices

From £1,759 GBP
As of November 6, 2026
Save £1,739 GBP (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,498 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.26ct natural heart diamond

This 1.26ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 208627186. Listed at 4 retailers as of November 4, 2026, with prices from £1,759 to £3,498, a £1,739 spread on the same certified stone. MOH London lists it at £3,498. 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

1.26
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.9°
Pavilion angle28.9°
OriginNatural
Grading LabIGI
CertificateIGI 208627186
Dimensions7.36 × 8.04 × 3.48 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm8.04 mm1.26 ctF / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 208627186
Side View
Table 56.5%Crown 36.9°Girdle: MED-STKPavilion 28.9°Culet: NoneDepth 43.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £3,498 GBP|Low: £1,730 GBP|High: £3,550 GBP|Avg: £2,478 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£1,759 GBP
Retailer 3£2,156 GBP
Retailer 2£2,486 GBP
MOH London£3,498 GBP

39 data points across 4 retailers

4 retailers£1,759 GBP to £3,498 GBP

B+
Cheapest Retailer
-
£1,759 GBP
B+
Retailer 2
-
£2,156 GBP
View
B+
Retailer 3
-
£2,486 GBP
View
Most Expensive
B
MOH London
20DB0D8F3 · Nov 4
£3,498 GBP
View
3 more retailers have this diamond
Prices start from £1,759 GBPSave up to £1,739 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.

B+
1.26ct Heart
£1,759 GBP