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Round|Natural|GIA

1.51ct K IF Round Natural Diamond

EX • K/IF • GIA 2494357452

Certificate GIA 2494357452

Diamond specifications and retailer prices

From £4,367 GBP
As of November 5, 2026
Save £3,926 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £8,293 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2494357452. Listed at 8 retailers as of November 5, 2026, with prices from £4,367 to £8,293, a £3,926 spread on the same certified stone. NZ Jewellers lists it at £8,293. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2494357452
Dimensions7.30 × 7.34 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.30 mm7.34 mm1.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2494357452
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 5
Current: £8,293 GBP|Low: £4,188 GBP|High: £8,293 GBP|Avg: £5,901 GBP|+4.2%
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 5£4,367 GBP
Retailer 10£4,757 GBP
Retailer 8£4,958 GBP
Retailer 6£5,035 GBP
Retailer 11£5,035 GBP
Retailer 2£5,381 GBP
Retailer 7£5,721 GBP
Retailer 9£6,304 GBP
Retailer 4£7,284 GBP
Retailer 3£7,683 GBP
NZ Jewellers£8,293 GBP

25 data points across 11 retailers

8 retailers£4,367 GBP to £8,293 GBP

A
Cheapest Retailer
-
£4,367 GBP
B+
Retailer 2
-
£4,958 GBP
View
B+
Retailer 3
-
£5,035 GBP
View
B+
Retailer 4
-
£5,381 GBP
View
B+
Retailer 5
-
£5,721 GBP
View
B+
Retailer 6
-
£6,304 GBP
View
B
Retailer 7
-
£7,284 GBP
View
Most Expensive
B
NZ Jewellers
82e85d4d-80a4-4ba5-a299-c3de78db5479 · Nov 5
£8,293 GBP
$11,161 USD
View
7 more retailers have this diamond
Prices start from £4,367 GBPSave up to £3,926 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
£4,367 GBP