Radiant|Natural|GIA

1.01ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 6221988648

Certificate GIA 6221988648

Diamond specifications and retailer prices

From £1,262 GBP
As of November 6, 2026
Save £2,064 GBP (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,326 GBP at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6221988648. Listed at 17 retailers as of November 5, 2026, with prices from £1,262 to £3,326, a £2,064 spread on the same certified stone. NZ Jewellers lists it at £3,326. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6221988648
Dimensions6.58 × 5.11 × 3.47 mm
L/W Ratio1.29
Top View
6.58 mm5.11 mm1.01 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6221988648
Side View
Table 65.0%CrownGirdle: SLI-VTKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,326 GBP|Low: £1,252 GBP|High: £3,326 GBP|Avg: £1,815 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
November 7, 2026
Retailer 14£1,262 GBP
Retailer 9£1,352 GBP
Retailer 7£1,437 GBP
Retailer 4£1,467 GBP
Retailer 10£1,543 GBP
Retailer 16£1,591 GBP
Retailer 17£1,591 GBP
Retailer 5£1,606 GBP
Retailer 15£1,665 GBP
Retailer 2£1,728 GBP
Retailer 8£1,793 GBP
Retailer 3£1,836 GBP
Retailer 12£1,942 GBP
Retailer 6£1,956 GBP
Retailer 11£2,161 GBP
Retailer 13£2,787 GBP
NZ Jewellers£3,326 GBP

31 data points across 17 retailers

17 retailers£1,262 GBP to £3,326 GBP

A
Cheapest Retailer
-
£1,262 GBP
A
Retailer 2
-
£1,437 GBP
View
B+
Retailer 3
-
£1,467 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,543 GBP
View
Retailer 5
-
£1,591 GBP
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£1,591 GBP
View
B+
Retailer 7
-
£1,606 GBP
View
B+
Retailer 8
-
£1,665 GBP
View
B+
Retailer 9
-
£1,694 GBP
View
B+
Retailer 10
-
£1,728 GBP
View
B+
Retailer 11
-
£1,793 GBP
View
B+
Retailer 12
-
£1,836 GBP
View
B+
Retailer 13
-
£1,942 GBP
View
Retailer 14
-
£1,956 GBP
View
Price last confirmed 32 days ago
B+
Retailer 15
-
£2,161 GBP
View
B
Retailer 16
-
£2,787 GBP
View
Most Expensive
B
NZ Jewellers
c73d10e5-0c92-4cc1-9470-24ce43424664 · Nov 5
£3,326 GBP
$4,452 USD
View
16 more retailers have this diamond
Prices start from £1,262 GBPSave up to £2,064 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
£1,262 GBP