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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 5563465369

Certificate GIA 5563465369

Diamond specifications and retailer prices

From £1,150 GBP
As of November 6, 2026
Save £2,082 GBP (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,232 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5563465369. Listed at 10 retailers as of November 5, 2026, with prices from £1,150 to £3,232, a £2,082 spread on the same certified stone. NZ Jewellers lists it at £3,232. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563465369
Dimensions7.36 × 7.39 × 4.53 mm
L/W Ratio1.00
Top View
7.36 mm7.39 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563465369
Side View
Table 58.0%CrownGirdle: Med. - Sli. ThickPavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
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: Nov 6
Current: £3,232 GBP|Low: £1,150 GBP|High: £3,643 GBP|Avg: £1,832 GBP|-11.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6£1,150 GBP
Retailer 7£1,341 GBP
Retailer 4£1,396 GBP
Retailer 10£1,533 GBP
Retailer 3£1,546 GBP
Retailer 9£1,595 GBP
Retailer 5£1,617 GBP
Retailer 8£1,784 GBP
Retailer 2£2,094 GBP
NZ Jewellers£3,232 GBP

25 data points across 10 retailers

10 retailers£1,150 GBP to £3,232 GBP

A
Cheapest Retailer
-
£1,150 GBP
A
Retailer 2
-
£1,341 GBP
View
A
Retailer 3
-
£1,396 GBP
View
A
Retailer 4
-
£1,533 GBP
View
A
Retailer 5
-
£1,546 GBP
View
Retailer 6
-
£1,595 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£1,617 GBP
View
A
Retailer 8
-
£1,784 GBP
View
B+
Retailer 9
-
£2,094 GBP
View
Most Expensive
B
NZ Jewellers
ee241b01-f8a3-445a-b375-e8702bda0781 · Nov 5
£3,232 GBP
$4,350 USD
View
9 more retailers have this diamond
Prices start from £1,150 GBPSave up to £2,082 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
1.51ct Round
£1,150 GBP