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Radiant|Natural|GIA

1.01ct K SI1 Radiant Natural Diamond

ID • K/SI1 • GIA 2231295393

Certificate GIA 2231295393

Diamond specifications and retailer prices

From £837 GBP
As of November 7, 2026
Save £1,286 GBP (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,123 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231295393. Listed at 11 retailers as of November 5, 2026, with prices from £837 to £2,123, a £1,286 spread on the same certified stone. NZ Jewellers lists it at £2,123. 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
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231295393
Dimensions6.29 × 4.95 × 3.48 mm
L/W Ratio1.27
Girdle conditionPolished
Key to symbols
Crystal, Pinpoint
Top View
6.29 mm4.95 mm1.01 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231295393
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.3%

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 7
Current: £2,123 GBP|Low: £837 GBP|High: £2,123 GBP|Avg: £1,135 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 2£837 GBP
Retailer 5£844 GBP
Retailer 9£870 GBP
Retailer 11£870 GBP
Retailer 3£904 GBP
Retailer 4£982 GBP
Retailer 10£1,004 GBP
Retailer 7£1,062 GBP
Retailer 6£1,210 GBP
Retailer 8£1,594 GBP
NZ Jewellers£2,123 GBP

32 data points across 11 retailers

11 retailers£837 GBP to £2,123 GBP

A
Cheapest Retailer
-
£837 GBP
A
Retailer 2
-
£844 GBP
View
Retailer 3
-
£870 GBP
View
Price last confirmed 9 days ago
A
Retailer 4
-
£870 GBP
View
A
Retailer 5
-
£904 GBP
View
A
Retailer 6
-
£982 GBP
View
A
Retailer 7
-
£1,004 GBP
View
A
Retailer 8
-
£1,062 GBP
View
A
Retailer 9
-
£1,210 GBP
View
B+
Retailer 10
-
£1,594 GBP
View
Most Expensive
B
NZ Jewellers
695c00e0-0295-49b6-9a35-51aefa986f40 · Nov 5
£2,123 GBP
$2,841 USD
View
10 more retailers have this diamond
Prices start from £837 GBPSave up to £1,286 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
£837 GBP