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Radiant|Natural|GIA

1.01ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 6291609797

Certificate GIA 6291609797

Diamond specifications and retailer prices

From £1,586 GBP
HK$16,600 HKD
As of October 31, 2026
Save £2,863 GBP (64%) vs most expensive(unlock to see where)
19 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 6291609797. Listed at 19 retailers as of October 30, 2026, with prices from £1,586 to £4,449, a £2,863 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6291609797
Dimensions6.22 × 5.04 × 3.41 mm
L/W Ratio1.23
Top View
6.22 mm5.04 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6291609797
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 67.6%

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: £4,449 GBP|Low: £1,567 GBP|High: £4,449 GBP|Avg: £2,376 GBP
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 2£1,586 GBP
Retailer 5£1,905 GBP
Retailer 7£1,961 GBP
Retailer 4£1,964 GBP
Retailer 14£2,082 GBP
Retailer 8£2,086 GBP
Retailer 18£2,128 GBP
Retailer 19£2,128 GBP
Retailer 17£2,210 GBP
Retailer 11£2,234 GBP
Retailer 12£2,256 GBP
Retailer 10£2,298 GBP
Retailer 9£2,314 GBP
Retailer 6£2,384 GBP
Retailer 3£2,455 GBP
Retailer 13£2,492 GBP
Retailer 16£2,591 GBP
Retailer 15£3,749 GBP
NZ Jewellers£4,449 GBP

25 data points across 19 retailers

19 retailers£1,586 GBP to £4,449 GBP

A
Cheapest Retailer
-
£1,586 GBP
HK$16,600 HKD
A
Retailer 2
-
£1,905 GBP
$2,553 USD
View
A
Retailer 3
-
£1,961 GBP
$2,627 USD
View
B+
Retailer 4
-
£1,964 GBP
$2,632 USD
View
Final sale: no returns
A
Retailer 5
-
£2,082 GBP
View
B+
Retailer 6
-
£2,086 GBP
$2,795 USD
View
B+
Retailer 7
-
£2,128 GBP
$2,851 USD
View
B+
Retailer 8
-
£2,128 GBP
$2,851 USD
View
B+
Retailer 9
-
£2,205 GBP
SGD 3,993 SGD
View
B+
Retailer 10
-
£2,210 GBP
$2,961 USD
View
B+
Retailer 11
-
£2,234 GBP
$2,993 USD
View
B+
Retailer 12
-
£2,256 GBP
View
B+
Retailer 13
-
£2,314 GBP
$3,100 USD
View
Retailer 14
-
£2,384 GBP
A$4,915 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
£2,455 GBP
$3,290 USD
View
B+
Retailer 16
-
£2,492 GBP
€3,180 EUR
View
B+
Retailer 17
-
£2,591 GBP
ZAR 56,090 ZAR
View
B
Retailer 18
-
£3,749 GBP
View
Most Expensive
B
NZ Jewellers
69eac350-847a-4e8e-b9ac-f37488da3db0 · Oct 30
£4,449 GBP
$5,961 USD
View
18 more retailers have this diamond
Prices start from £1,586 GBPSave up to £2,863 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
£1,586 GBP