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Radiant|Natural|GIA

1.51ct E I1 Radiant Natural Diamond

ID • E/I1 • GIA 1246005124

Certificate GIA 1246005124

Diamond specifications and retailer prices

From £2,730 GBP
HK$28,400 HKD
As of October 30, 2026
Save £3,734 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,464 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246005124. Listed at 8 retailers as of October 27, 2026, with prices from £2,730 to £6,464, a £3,734 spread on the same certified stone. NZ Jewellers lists it at £6,464. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246005124
Dimensions7.39 × 5.68 × 3.96 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
7.39 mm5.68 mm1.51 ctE / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246005124
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

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: Oct 30
Current: £6,464 GBP|Low: £2,730 GBP|High: £6,915 GBP|Avg: £4,100 GBP|-6.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8£2,730 GBP
Retailer 10£2,913 GBP
Retailer 5£3,041 GBP
Retailer 3£3,058 GBP
Retailer 7£3,232 GBP
Retailer 6£3,296 GBP
Retailer 2£4,367 GBP
Retailer 9£4,772 GBP
Retailer 4£5,658 GBP
NZ Jewellers£6,464 GBP

29 data points across 10 retailers

8 retailers£2,730 GBP to £6,464 GBP

A
Cheapest Retailer
-
£2,730 GBP
HK$28,400 HKD
A
Retailer 2
-
£3,041 GBP
$4,049 USD
View
A
Retailer 3
-
£3,058 GBP
$4,073 USD
View
A
Retailer 4
-
£3,232 GBP
$4,304 USD
View
Final sale: no returns
A
Retailer 5
-
£3,296 GBP
$4,389 USD
View
A
Retailer 6
-
£4,367 GBP
€5,538 EUR
View
B+
Retailer 7
-
£5,658 GBP
$7,534 USD
View
Most Expensive
B
NZ Jewellers
dfa1bd29-cc02-4b2c-8de2-69da56357bcc · Oct 27
£6,464 GBP
$8,608 USD
View
7 more retailers have this diamond
Prices start from £2,730 GBPSave up to £3,734 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 Radiant
£2,730 GBP