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Round|Natural|GIA

1.25ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2235791556

Certificate GIA 2235791556

Diamond specifications and retailer prices

From £1,545 GBP
As of November 4, 2026
Save £2,402 GBP (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,948 GBP at NZ Jewellers · As of November 5, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2235791556. Listed at 7 retailers as of November 4, 2026, with prices from £1,545 to £3,948, a £2,402 spread on the same certified stone. NZ Jewellers lists it at £3,948. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2235791556
Dimensions6.93 × 6.95 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
Clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Feather, Knot, Needle
Top View
6.93 mm6.95 mm1.25 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235791556
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,948 GBP|Low: £1,384 GBP|High: £3,948 GBP|Avg: £2,024 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3£1,384 GBP
Retailer 10£1,545 GBP
Retailer 8£1,643 GBP
Retailer 5£1,710 GBP
Retailer 7£1,710 GBP
Retailer 4£1,790 GBP
Retailer 11£1,940 GBP
Retailer 6£1,974 GBP
Retailer 9£2,247 GBP
Retailer 2£2,340 GBP
NZ Jewellers£3,948 GBP

21 data points across 11 retailers

7 retailers£1,545 GBP to £3,948 GBP

B+
Cheapest Retailer
-
£1,545 GBP
Retailer 2
-
£1,710 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£1,710 GBP
View
B+
Retailer 4
-
£1,790 GBP
View
B
Retailer 5
-
£1,974 GBP
View
B
Retailer 6
-
£2,340 GBP
View
Most Expensive
C
NZ Jewellers
c5cb976e-67cf-4075-950c-71f03ac51efc · Nov 5
£3,948 GBP
$5,313 USD
View
6 more retailers have this diamond
Prices start from £1,545 GBPSave up to £2,402 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+
1.25ct Round
£1,545 GBP