Round|Natural|IGI

1.25ct I IF Round Natural Diamond

EX • I/IF • IGI 809693861

Shape and cutting style on the report: Round brilliant

Certificate IGI 809693861

Diamond specifications and retailer prices

From £2,568 GBP
As of November 2, 2026
Save £2,228 GBP (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,795 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 809693861. Listed at 5 retailers as of November 2, 2026, with prices from £2,568 to £4,795, a £2,228 spread on the same certified stone. MOH London lists it at £4,795. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 809693861
Dimensions6.79 × 6.84 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.79 mm6.84 mm1.25 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 809693861
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 41°CuletDepth 62.8%

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 2
Current: £4,795 GBP|Low: £2,568 GBP|High: £4,960 GBP|Avg: £3,198 GBP|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2£2,568 GBP
Retailer 3£2,764 GBP
Retailer 5£2,779 GBP
Retailer 4£2,867 GBP
MOH London£4,795 GBP

35 data points across 5 retailers

5 retailers£2,568 GBP to £4,795 GBP

A
Cheapest Retailer
-
£2,568 GBP
A
Retailer 2
-
£2,764 GBP
View
A
Retailer 3
-
£2,779 GBP
View
A
Retailer 4
-
£2,867 GBP
View
Most Expensive
B+
MOH London
AA3BBF7C1 · Nov 2
£4,795 GBP
View
4 more retailers have this diamond
Prices start from £2,568 GBPSave up to £2,228 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
1.25ct Round
£2,568 GBP