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Radiant|Natural|GIA

1.01ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 2547406262

Certificate GIA 2547406262

Diamond specifications and retailer prices

From £1,437 GBP
$1,925 USD
As of October 30, 2026
Save £1,988 GBP (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,425 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547406262. Listed at 17 retailers as of October 30, 2026, with prices from £1,437 to £3,425, a £1,988 spread on the same certified stone. NZ Jewellers lists it at £3,425. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.29°
OriginNatural
Grading LabGIA
CertificateGIA 2547406262
Dimensions6.75 × 5.04 × 3.49 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.75 mm5.04 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547406262
Side View
Table 68.0%Crown 47.29°Girdle: STK-THKPavilionCulet: NoneDepth 69.2%

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: £3,425 GBP|Low: £1,427 GBP|High: £3,732 GBP|Avg: £1,978 GBP|-8.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 5£1,437 GBP
Retailer 7£1,479 GBP
Retailer 6£1,512 GBP
Retailer 3£1,602 GBP
Retailer 2£1,603 GBP
Retailer 8£1,638 GBP
Retailer 15£1,638 GBP
Retailer 17£1,649 GBP
Retailer 16£1,714 GBP
Retailer 14£1,742 GBP
Retailer 10£1,797 GBP
Retailer 4£1,890 GBP
Retailer 13£1,995 GBP
Retailer 12£2,042 GBP
Retailer 9£2,198 GBP
Retailer 11£2,885 GBP
NZ Jewellers£3,425 GBP

28 data points across 17 retailers

17 retailers£1,437 GBP to £3,425 GBP

A
Cheapest Retailer
-
£1,437 GBP
$1,925 USD
A
Retailer 2
-
£1,479 GBP
$1,982 USD
View
A
Retailer 3
-
£1,512 GBP
$2,026 USD
View
Final sale: no returns
A
Retailer 4
-
£1,602 GBP
$2,146 USD
View
A
Retailer 5
-
£1,603 GBP
View
A
Retailer 6
-
£1,638 GBP
$2,195 USD
View
A
Retailer 7
-
£1,638 GBP
$2,195 USD
View
A
Retailer 8
-
£1,649 GBP
$2,210 USD
View
A
Retailer 9
-
£1,714 GBP
$2,296 USD
View
A
Retailer 10
-
£1,742 GBP
$2,334 USD
View
A
Retailer 11
-
£1,797 GBP
View
A
Retailer 12
-
£1,890 GBP
$2,533 USD
View
A
Retailer 13
-
£1,995 GBP
ZAR 43,179 ZAR
View
A
Retailer 14
-
£2,042 GBP
€2,606 EUR
View
Retailer 15
-
£2,198 GBP
A$4,531 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£2,885 GBP
View
Most Expensive
B
NZ Jewellers
1ce2e24b-305b-4eb1-9ee9-8cf6b7562fae · Oct 30
£3,425 GBP
$4,589 USD
View
16 more retailers have this diamond
Prices start from £1,437 GBPSave up to £1,988 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
1.01ct Radiant
£1,437 GBP