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Radiant|Natural|GIA

1.01ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 3535627210

Certificate GIA 3535627210

Diamond specifications and retailer prices

From £863 GBP
As of November 7, 2026
Save £1,326 GBP (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,189 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 3535627210. Listed at 11 retailers as of November 5, 2026, with prices from £863 to £2,189, a £1,326 spread on the same certified stone. NZ Jewellers lists it at £2,189. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3535627210
Dimensions6.38 × 4.92 × 3.46 mm
L/W Ratio1.30
Top View
6.38 mm4.92 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3535627210
Side View
Table 66.0%CrownGirdlePavilionCulet: 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: £2,189 GBP|Low: £863 GBP|High: £2,189 GBP|Avg: £1,169 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 4£863 GBP
Retailer 6£870 GBP
Retailer 9£897 GBP
Retailer 11£897 GBP
Retailer 3£932 GBP
Retailer 5£1,014 GBP
Retailer 10£1,035 GBP
Retailer 8£1,095 GBP
Retailer 7£1,248 GBP
Retailer 2£1,635 GBP
NZ Jewellers£2,189 GBP

32 data points across 11 retailers

11 retailers£863 GBP to £2,189 GBP

A
Cheapest Retailer
-
£863 GBP
A
Retailer 2
-
£870 GBP
View
Retailer 3
-
£897 GBP
View
Price last confirmed 9 days ago
A
Retailer 4
-
£897 GBP
View
A
Retailer 5
-
£932 GBP
View
A
Retailer 6
-
£1,014 GBP
View
A
Retailer 7
-
£1,035 GBP
View
A
Retailer 8
-
£1,095 GBP
View
B+
Retailer 9
-
£1,248 GBP
View
B
Retailer 10
-
£1,635 GBP
View
Most Expensive
B
NZ Jewellers
863f1e82-6501-45e3-a4cb-ce1dbc659aa5 · Nov 5
£2,189 GBP
$2,930 USD
View
10 more retailers have this diamond
Prices start from £863 GBPSave up to £1,326 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
£863 GBP