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Round|Natural|GIA

1.25ct K IF Round Natural Diamond

EX • K/IF • GIA 6565119111

Certificate GIA 6565119111

Diamond specifications and retailer prices

From £1,913 GBP
As of November 6, 2026
Save £2,365 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,137 GBP at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6565119111. Listed at 19 retailers as of November 4, 2026, with a 124% 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

1.25
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565119111
Dimensions6.85 × 6.89 × 4.22 mm
L/W Ratio1.01
Top View
6.85 mm6.89 mm1.25 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565119111
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
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 6
Current: £2,285 GBP|Low: £1,913 GBP|High: £4,666 GBP|Avg: £2,855 GBP|-8.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3£1,913 GBP
Retailer 12£2,276 GBP
Retailer 1£2,285 GBP
Retailer 11£2,320 GBP
Retailer 7£2,638 GBP
Retailer 6£2,662 GBP
Retailer 5£2,672 GBP
Retailer 4£2,770 GBP
Retailer 8£2,974 GBP
Retailer 10£2,983 GBP
Retailer 9£3,130 GBP
Retailer 2£4,278 GBP

27 data points across 12 retailers

19 retailers£1,913 GBP to £4,278 GBP

A
Cheapest Retailer
-
£1,913 GBP
A
Retailer 2
-
£2,276 GBP
View
A
Retailer 3
-
£2,285 GBP
View
A
Retailer 4
-
£2,320 GBP
View
A
Retailer 5
-
£2,638 GBP
View
A
Retailer 6
-
£2,662 GBP
View
A
Retailer 7
-
£2,672 GBP
View
Retailer 8
-
£2,709 GBP
View
Price last confirmed 23 days ago
A
Retailer 9
-
£2,770 GBP
View
Retailer 10
-
£2,813 GBP
View
Price last confirmed 22 days ago
Retailer 11
-
£2,949 GBP
View
Price last confirmed 60 days ago
A
Retailer 12
-
£2,974 GBP
View
A
Retailer 13
-
£2,983 GBP
View
Retailer 14
-
£3,126 GBP
View
Price last confirmed 24 days ago
A
Retailer 15
-
£3,130 GBP
View
Retailer 16
-
£3,402 GBP
View
Price last confirmed 60 days ago
B+
Retailer 17
-
£4,278 GBP
View
Retailer 18
-
£4,719 GBP
View
Price last confirmed 23 days ago
Most Expensive
NZ Jewellers
74b94f7e-f93d-41e0-8d5a-8aced8215bca · Sep 1
£5,137 GBP
$6,876 USD
View
Price last confirmed 66 days ago
18 more retailers have this diamond
Prices start from £1,913 GBPSave up to £2,365 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
£1,913 GBP