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Radiant|Natural|GIA

1.01ct H SI1 Radiant Natural Diamond

ID • H/SI1 • GIA 2564418297

Certificate GIA 2564418297

Diamond specifications and retailer prices

From £1,165 GBP
HK$12,200 HKD
As of October 31, 2026
Save £2,236 GBP (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,401 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564418297. Listed at 18 retailers as of October 30, 2026, with prices from £1,165 to £3,401, a £2,236 spread on the same certified stone. NZ Jewellers lists it at £3,401. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564418297
Dimensions6.42 × 4.93 × 3.44 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
6.42 mm4.93 mm1.01 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564418297
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.9%

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: £3,401 GBP|Low: £1,156 GBP|High: £3,553 GBP|Avg: £1,807 GBP|-4.3%
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
October 31, 2026
Retailer 2£1,165 GBP
Retailer 3£1,306 GBP
Retailer 16£1,387 GBP
Retailer 4£1,481 GBP
Retailer 12£1,481 GBP
Retailer 17£1,493 GBP
Retailer 8£1,501 GBP
Retailer 15£1,576 GBP
Retailer 14£1,592 GBP
Retailer 5£1,624 GBP
Retailer 9£1,643 GBP
Retailer 10£1,661 GBP
Retailer 7£1,769 GBP
Retailer 11£2,000 GBP
Retailer 13£2,158 GBP
Retailer 6£2,433 GBP
Retailer 18£2,865 GBP
NZ Jewellers£3,401 GBP

11 data points across 18 retailers

18 retailers£1,165 GBP to £3,401 GBP

A
Cheapest Retailer
-
£1,165 GBP
HK$12,200 HKD
A
Retailer 2
-
£1,306 GBP
$1,750 USD
View
Retailer 3
-
£1,387 GBP
€1,770 EUR
View
Price last confirmed 2 days ago
A
Retailer 4
-
£1,481 GBP
$1,984 USD
View
A
Retailer 5
-
£1,481 GBP
$1,985 USD
View
A
Retailer 6
-
£1,493 GBP
$2,001 USD
View
B+
Retailer 7
-
£1,501 GBP
$2,011 USD
View
Final sale: no returns
A
Retailer 8
-
£1,576 GBP
View
A
Retailer 9
-
£1,592 GBP
View
B+
Retailer 10
-
£1,624 GBP
SGD 2,941 SGD
View
B+
Retailer 11
-
£1,643 GBP
$2,202 USD
View
B+
Retailer 12
-
£1,661 GBP
$2,225 USD
View
B+
Retailer 13
-
£1,769 GBP
$2,370 USD
View
B+
Retailer 14
-
£2,000 GBP
ZAR 43,285 ZAR
View
B+
Retailer 15
-
£2,158 GBP
€2,754 EUR
View
B
Retailer 16
-
£2,433 GBP
$3,260 USD
View
B
Retailer 17
-
£2,865 GBP
View
Most Expensive
B
NZ Jewellers
5b684b44-112d-453c-99aa-8d004298794b · Oct 30
£3,401 GBP
$4,557 USD
View
17 more retailers have this diamond
Prices start from £1,165 GBPSave up to £2,236 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
£1,165 GBP