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Radiant|Natural|GIA

1.01ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 2544406259

Certificate GIA 2544406259

Diamond specifications and retailer prices

From £1,523 GBP
$2,040 USD
As of October 30, 2026
Save £2,107 GBP (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,629 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 2544406259. Listed at 17 retailers as of October 30, 2026, with prices from £1,523 to £3,629, a £2,107 spread on the same certified stone. NZ Jewellers lists it at £3,629. 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 angle43.08°
OriginNatural
Grading LabGIA
CertificateGIA 2544406259
Dimensions7.05 × 5.09 × 3.44 mm
L/W Ratio1.39
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.05 mm5.09 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544406259
Side View
Table 68.0%Crown 43.08°Girdle: MED-STKPavilionCulet: NoneDepth 67.5%

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: £3,629 GBP|Low: £1,523 GBP|High: £4,039 GBP|Avg: £2,105 GBP|-10.1%
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
October 31, 2026
Retailer 5£1,523 GBP
Retailer 3£1,569 GBP
Retailer 4£1,602 GBP
Retailer 14£1,685 GBP
Retailer 11£1,699 GBP
Retailer 7£1,735 GBP
Retailer 8£1,736 GBP
Retailer 15£1,736 GBP
Retailer 6£1,817 GBP
Retailer 16£1,840 GBP
Retailer 9£1,906 GBP
Retailer 13£2,003 GBP
Retailer 2£2,134 GBP
Retailer 10£2,168 GBP
Retailer 12£3,058 GBP
NZ Jewellers£3,629 GBP

24 data points across 16 retailers

17 retailers£1,523 GBP to £3,629 GBP

A
Cheapest Retailer
-
£1,523 GBP
$2,040 USD
A
Retailer 2
-
£1,569 GBP
$2,102 USD
View
A
Retailer 3
-
£1,602 GBP
$2,147 USD
View
Final sale: no returns
A
Retailer 4
-
£1,685 GBP
$2,258 USD
View
A
Retailer 5
-
£1,699 GBP
View
A
Retailer 6
-
£1,735 GBP
$2,325 USD
View
A
Retailer 7
-
£1,736 GBP
$2,326 USD
View
A
Retailer 8
-
£1,736 GBP
$2,326 USD
View
A
Retailer 9
-
£1,817 GBP
$2,434 USD
View
A
Retailer 10
-
£1,840 GBP
$2,466 USD
View
A
Retailer 11
-
£1,906 GBP
View
A
Retailer 12
-
£2,003 GBP
$2,684 USD
View
B+
Retailer 13
-
£2,134 GBP
ZAR 46,193 ZAR
View
B+
Retailer 14
-
£2,168 GBP
€2,767 EUR
View
Retailer 15
-
£2,275 GBP
A$4,689 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£3,058 GBP
View
Most Expensive
B
NZ Jewellers
da758dcd-53a5-482c-ad48-fa3e6551e3dd · Oct 30
£3,629 GBP
$4,863 USD
View
16 more retailers have this diamond
Prices start from £1,523 GBPSave up to £2,107 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
£1,523 GBP