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Radiant|Natural|GIA

1.01ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 1563507581

Certificate GIA 1563507581

Diamond specifications and retailer prices

From £1,033 GBP
As of November 4, 2026
Save £2,423 GBP (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,455 GBP at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563507581. Listed at 13 retailers as of November 3, 2026, with prices from £1,033 to £3,455, a £2,423 spread on the same certified stone. NZ Jewellers lists it at £3,455. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563507581
Dimensions6.79 × 5.02 × 3.38 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
6.79 mm5.02 mm1.01 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563507581
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.3%

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: Nov 4
Current: £3,455 GBP|Low: £1,013 GBP|High: £3,613 GBP|Avg: £1,669 GBP|-4.4%
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
November 3, 2026
Retailer 9£1,033 GBP
Retailer 5£1,139 GBP
Retailer 13£1,307 GBP
Retailer 2£1,313 GBP
Retailer 7£1,380 GBP
Retailer 10£1,400 GBP
Retailer 6£1,417 GBP
Retailer 4£1,452 GBP
Retailer 12£1,490 GBP
Retailer 14£1,539 GBP
Retailer 11£1,892 GBP
Retailer 3£2,103 GBP
Retailer 8£2,482 GBP
NZ Jewellers£3,455 GBP

19 data points across 14 retailers

13 retailers£1,033 GBP to £3,455 GBP

A
Cheapest Retailer
-
£1,033 GBP
Retailer 2
-
£1,139 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£1,313 GBP
View
A
Retailer 4
-
£1,380 GBP
View
A
Retailer 5
-
£1,400 GBP
View
Retailer 6
-
£1,417 GBP
View
Price last confirmed 11 days ago
A
Retailer 7
-
£1,452 GBP
View
A
Retailer 8
-
£1,490 GBP
View
A
Retailer 9
-
£1,539 GBP
View
B+
Retailer 10
-
£1,892 GBP
View
Retailer 11
-
£2,103 GBP
View
Price last confirmed 11 days ago
B
Retailer 12
-
£2,482 GBP
View
Most Expensive
B
NZ Jewellers
977a3d91-f2c0-4e94-8593-d1fbc59e897a · Nov 3
£3,455 GBP
$4,625 USD
View
12 more retailers have this diamond
Prices start from £1,033 GBPSave up to £2,423 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
£1,033 GBP