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Radiant|Natural|GIA

1.02ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 3535573666

Certificate GIA 3535573666

Diamond specifications and retailer prices

From £874 GBP
As of November 7, 2026
Save £1,337 GBP (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,211 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct 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 3535573666. Listed at 11 retailers as of November 5, 2026, with prices from £874 to £2,211, a £1,337 spread on the same certified stone. NZ Jewellers lists it at £2,211. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 3535573666
Dimensions6.40 × 4.91 × 3.41 mm
L/W Ratio1.30
Top View
6.40 mm4.91 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3535573666
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 69.5%

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 7
Current: £2,211 GBP|Low: £874 GBP|High: £2,211 GBP|Avg: £1,168 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 3£874 GBP
Retailer 4£879 GBP
Retailer 8£906 GBP
Retailer 10£906 GBP
Retailer 11£941 GBP
Retailer 2£1,024 GBP
Retailer 9£1,046 GBP
Retailer 6£1,106 GBP
Retailer 5£1,259 GBP
Retailer 7£1,656 GBP
NZ Jewellers£2,211 GBP

32 data points across 11 retailers

11 retailers£874 GBP to £2,211 GBP

A
Cheapest Retailer
-
£874 GBP
A
Retailer 2
-
£879 GBP
View
A
Retailer 3
-
£906 GBP
View
Retailer 4
-
£906 GBP
View
Price last confirmed 9 days ago
A
Retailer 5
-
£941 GBP
View
A
Retailer 6
-
£1,024 GBP
View
B+
Retailer 7
-
£1,046 GBP
View
A
Retailer 8
-
£1,106 GBP
View
B+
Retailer 9
-
£1,259 GBP
View
B
Retailer 10
-
£1,656 GBP
View
Most Expensive
B
NZ Jewellers
15020155-9ff4-444b-a40a-c8008d2a5aec · Nov 5
£2,211 GBP
$2,959 USD
View
10 more retailers have this diamond
Prices start from £874 GBPSave up to £1,337 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
1.02ct Radiant
£874 GBP