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Round|Natural|GIA

1.40ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2504424322

Certificate GIA 2504424322

Diamond specifications and retailer prices

From £2,158 GBP
As of November 1, 2026
Save £2,615 GBP (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,773 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct 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 2504424322. Listed at 8 retailers as of November 1, 2026, with prices from £2,158 to £4,773, a £2,615 spread on the same certified stone. NZ Jewellers lists it at £4,773. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2504424322
Dimensions7.16 × 7.12 × 4.44 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.16 mm7.12 mm1.40 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2504424322
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 1
Current: £4,773 GBP|Low: £2,158 GBP|High: £4,773 GBP|Avg: £2,830 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3£2,158 GBP
Retailer 5£2,203 GBP
Retailer 9£2,284 GBP
Retailer 6£2,482 GBP
Retailer 8£2,482 GBP
Retailer 4£2,577 GBP
Retailer 7£2,863 GBP
Retailer 2£3,186 GBP
Retailer 10£3,259 GBP
NZ Jewellers£4,773 GBP

20 data points across 10 retailers

8 retailers£2,158 GBP to £4,773 GBP

B+
Cheapest Retailer
-
£2,158 GBP
B+
Retailer 2
-
£2,203 GBP
View
B
Retailer 3
-
£2,482 GBP
View
Retailer 4
-
£2,482 GBP
View
Price last confirmed 8 days ago
B
Retailer 5
-
£2,577 GBP
View
B
Retailer 6
-
£2,863 GBP
View
B
Retailer 7
-
£3,186 GBP
View
Most Expensive
C
NZ Jewellers
88751be8-73ef-4417-9f88-2cc029845e41 · Nov 5
£4,773 GBP
$6,424 USD
View
7 more retailers have this diamond
Prices start from £2,158 GBPSave up to £2,615 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+
1.40ct Round
£2,158 GBP