CaratHunter
Plans
Radiant|Natural|GIA

1.01ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 2536927522

Certificate GIA 2536927522

Diamond specifications and retailer prices

From £1,662 GBP
HK$17,400 HKD
As of October 31, 2026
Save £2,787 GBP (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,449 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 2536927522. Listed at 23 retailers as of October 30, 2026, with prices from £1,662 to £4,449, a £2,787 spread on the same certified stone. NZ Jewellers lists it at £4,449. 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
FluorescenceFaint
Crown angle40.11°
Pavilion angle62.54°
OriginNatural
Grading LabGIA
CertificateGIA 2536927522
Dimensions7.54 × 4.82 × 3.37 mm
L/W Ratio1.56
Top View
7.54 mm4.82 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2536927522
Side View
Table 67.0%Crown 40.11°Girdle: STK-THKPavilion 62.54°Culet: NoneDepth 69.8%

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 31
Current: £1,671 GBP|Low: £1,662 GBP|High: £3,769 GBP|Avg: £2,347 GBP|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4£1,662 GBP
Retailer 1£1,671 GBP
Retailer 10£1,964 GBP
Retailer 7£2,020 GBP
Retailer 8£2,082 GBP
Retailer 5£2,256 GBP
Retailer 2£2,384 GBP
Retailer 6£2,492 GBP
Retailer 3£2,616 GBP
Retailer 9£3,734 GBP

26 data points across 10 retailers

23 retailers£1,662 GBP to £4,449 GBP

A
Cheapest Retailer
-
£1,662 GBP
HK$17,400 HKD
A
Retailer 2
-
£1,671 GBP
₹213,235 INR
View
A
Retailer 3
-
£1,866 GBP
$2,500 USD
View
A
Retailer 4
-
£1,905 GBP
$2,553 USD
View
A
Retailer 5
-
£1,964 GBP
$2,632 USD
View
Final sale: no returns
A
Retailer 6
-
£2,020 GBP
$2,707 USD
View
A
Retailer 7
-
£2,082 GBP
View
B+
Retailer 8
-
£2,086 GBP
$2,795 USD
View
B+
Retailer 9
-
£2,128 GBP
$2,851 USD
View
B+
Retailer 10
-
£2,128 GBP
$2,851 USD
View
B+
Retailer 11
-
£2,128 GBP
$2,851 USD
View
B+
Retailer 12
-
£2,210 GBP
$2,961 USD
View
B+
Retailer 13
-
£2,234 GBP
$2,993 USD
View
B+
Retailer 14
-
£2,256 GBP
View
B+
Retailer 15
-
£2,307 GBP
SGD 4,177 SGD
View
B+
Retailer 16
-
£2,314 GBP
$3,100 USD
View
Retailer 17
-
£2,384 GBP
A$4,915 AUD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
£2,455 GBP
$3,290 USD
View
B+
Retailer 19
-
£2,492 GBP
€3,180 EUR
View
B+
Retailer 20
-
£2,616 GBP
ZAR 56,620 ZAR
View
B
Retailer 21
-
£3,121 GBP
$4,182 USD
View
B
Retailer 22
-
£3,734 GBP
View
Most Expensive
B
NZ Jewellers
4d42df99-e3b6-4b8e-a962-152508099c5b · Oct 30
£4,449 GBP
$5,961 USD
View
22 more retailers have this diamond
Prices start from £1,662 GBPSave up to £2,787 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
£1,662 GBP