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Round|Natural|GIA

1.25ct E IF Round Natural Diamond

EX • E/IF • GIA 1156206509

Certificate GIA 1156206509

Diamond specifications and retailer prices

From £7,399 GBP
$9,929 USD
As of November 2, 2026
Save £3,749 GBP (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £11,148 GBP at MOH London · As of November 1, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1156206509. Listed at 7 retailers as of November 1, 2026, with prices from £7,399 to £11,148, a £3,749 spread on the same certified stone. MOH London lists it at £11,148. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1156206509
Dimensions7.07 × 7.01 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.07 mm7.01 mm1.25 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1156206509
Side View
Table 60.0%Crown 32°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £11,148 GBP|Low: £7,399 GBP|High: £11,379 GBP|Avg: £8,925 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6£7,399 GBP
Retailer 2£7,759 GBP
Retailer 5£7,854 GBP
Retailer 7£8,514 GBP
Retailer 4£8,731 GBP
Retailer 3£8,954 GBP
MOH London£11,148 GBP

41 data points across 7 retailers

7 retailers£7,399 GBP to £11,148 GBP

A
Cheapest Retailer
-
£7,399 GBP
$9,929 USD
A+
Retailer 2
-
£7,759 GBP
View
Retailer 3
-
£7,854 GBP
A$16,215 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
£8,514 GBP
$11,425 USD
View
A
Retailer 5
-
£8,731 GBP
$11,717 USD
View
A
Retailer 6
-
£8,954 GBP
€11,444 EUR
View
Most Expensive
B+
MOH London
FAE68DF5E · Nov 1
£11,148 GBP
View
6 more retailers have this diamond
Prices start from £7,399 GBPSave up to £3,749 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
£7,399 GBP