Radiant|Natural|GIA

1.51ct E I1 Radiant Natural Diamond

EX • E/I1 • GIA 7543774066

Certificate GIA 7543774066

Diamond specifications and retailer prices

From £2,388 GBP
HK$25,000 HKD
As of October 30, 2026
Save £1,184 GBP (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,507 GBP at NZ Jewellers · As of October 18, 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 7543774066. Listed at 9 retailers as of October 29, 2026, with a 50% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7543774066
Dimensions7.63 × 5.75 × 3.79 mm
L/W Ratio1.33
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Extra Facet
Top View
7.63 mm5.75 mm1.51 ctE / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7543774066
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 65.8%

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: £5,507 GBP|Low: £2,388 GBP|High: £5,541 GBP|Avg: £3,376 GBP|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5£2,388 GBP
Retailer 2£2,570 GBP
Retailer 8£2,854 GBP
Retailer 7£2,926 GBP
Retailer 6£3,161 GBP
Retailer 3£3,572 GBP
Retailer 4£3,647 GBP
Retailer 9£3,847 GBP
NZ Jewellers£5,507 GBP

45 data points across 9 retailers

9 retailers£2,388 GBP to £3,572 GBP

A
Cheapest Retailer
-
£2,388 GBP
HK$25,000 HKD
A
Retailer 2
-
£2,570 GBP
₹327,971 INR
View
A
Retailer 3
-
£2,926 GBP
$3,921 USD
View
Retailer 4
-
£3,161 GBP
$4,235 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£3,161 GBP
$4,235 USD
View
Price last confirmed 14 days ago
Retailer 6
-
£3,161 GBP
$4,235 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
£3,572 GBP
€4,558 EUR
View
Retailer 8
-
£3,647 GBP
$4,887 USD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
31f822cf-b43b-48cc-975a-b6bf6effc59c · Oct 18
£5,507 GBP
$7,379 USD
View
Price last confirmed 13 days ago
8 more retailers have this diamond
Prices start from £2,388 GBPSave up to £1,184 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
£2,388 GBP