Round|Natural|GIA

1.31ct E IF Round Natural Diamond

EX • E/IF • GIA 6541520603

Certificate GIA 6541520603

Diamond specifications and retailer prices

From £8,813 GBP
$11,809 USD
As of October 31, 2026
Save £2,317 GBP (21%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £15,303 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.31ct natural round diamond

This 1.31ct 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 6541520603. Listed at 12 retailers as of October 31, 2026, with a 26% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6541520603
Dimensions6.92 × 6.96 × 4.34 mm
L/W Ratio1.01
Top View
6.92 mm6.96 mm1.31 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541520603
Side View
Table 56.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

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A+
Exceptional
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: Oct 31
Current: £15,303 GBP|Low: £8,813 GBP|High: £15,405 GBP|Avg: £11,625 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£8,813 GBP
Retailer 9£9,203 GBP
Retailer 2£9,757 GBP
Retailer 4£10,018 GBP
Retailer 8£10,546 GBP
Retailer 5£11,131 GBP
Retailer 6£12,210 GBP
Retailer 7£13,808 GBP
MOH London£15,303 GBP

38 data points across 9 retailers

12 retailers£8,813 GBP to £11,131 GBP

A+
Cheapest Retailer
-
£8,813 GBP
$11,809 USD
Final sale: no returns
Retailer 2
-
£9,203 GBP
CA$17,126 CAD
View
Price last confirmed 9 days ago
A
Retailer 3
-
£9,757 GBP
View
A
Retailer 4
-
£10,018 GBP
$13,423 USD
View
Retailer 5
-
£10,546 GBP
$14,131 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£11,131 GBP
$14,914 USD
View
Retailer 7
-
£11,255 GBP
$15,080 USD
View
Price last confirmed 10 days ago
Retailer 8
-
£11,255 GBP
$15,080 USD
View
Price last confirmed 9 days ago
Retailer 9
-
£11,628 GBP
$15,580 USD
View
Price last confirmed 11 days ago
Retailer 10
-
£12,210 GBP
€15,581 EUR
View
Price last confirmed 8 days ago
Retailer 11
-
£13,808 GBP
$18,501 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
5CE57C728 · Oct 21
£15,303 GBP
View
Price last confirmed 11 days ago
11 more retailers have this diamond
Prices start from £8,813 GBPSave up to £2,317 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+
1.31ct Round
£8,813 GBP