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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2416348482

Certificate GIA 2416348482

Diamond specifications and retailer prices

From £1,740 GBP
As of November 6, 2026
Save £2,332 GBP (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,072 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 2416348482. Listed at 9 retailers as of November 5, 2026, with prices from £1,740 to £4,072, a £2,332 spread on the same certified stone. NZ Jewellers lists it at £4,072. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2416348482
Dimensions7.35 × 7.30 × 4.58 mm
L/W Ratio1.01
Top View
7.35 mm7.30 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2416348482
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

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 6
Current: £4,072 GBP|Low: £1,730 GBP|High: £4,072 GBP|Avg: £2,481 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 4£1,740 GBP
Retailer 3£1,934 GBP
Retailer 11£2,094 GBP
Retailer 9£2,150 GBP
Retailer 5£2,337 GBP
Retailer 7£2,337 GBP
Retailer 6£2,427 GBP
Retailer 8£2,697 GBP
Retailer 2£2,716 GBP
Retailer 10£2,833 GBP
NZ Jewellers£4,072 GBP

18 data points across 11 retailers

9 retailers£1,740 GBP to £4,072 GBP

B+
Cheapest Retailer
-
£1,740 GBP
B+
Retailer 2
-
£2,094 GBP
View
B+
Retailer 3
-
£2,150 GBP
View
B+
Retailer 4
-
£2,337 GBP
View
Retailer 5
-
£2,337 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£2,427 GBP
View
B+
Retailer 7
-
£2,697 GBP
View
B+
Retailer 8
-
£2,716 GBP
View
Most Expensive
B
NZ Jewellers
904d0a97-e942-4d7a-b8f6-165c807bffa8 · Nov 5
£4,072 GBP
$5,481 USD
View
8 more retailers have this diamond
Prices start from £1,740 GBPSave up to £2,332 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+
1.51ct Round
£1,740 GBP