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Radiant|Natural|GIA

1.02ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 137548097

Certificate GIA 137548097

Diamond specifications and retailer prices

From £2,555 GBP
As of November 5, 2026
Save £1,897 GBP (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,452 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 137548097. Listed at 5 retailers as of November 5, 2026, with prices from £2,555 to £4,452, a £1,897 spread on the same certified stone. NZ Jewellers lists it at £4,452. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 137548097
Dimensions5.62 × 5.26 × 4.21 mm
L/W Ratio1.07
Top View
5.62 mm5.26 mm1.02 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 137548097
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 80.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,452 GBP|Low: £2,555 GBP|High: £4,452 GBP|Avg: £3,089 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 16, 2026
Retailer 3£2,555 GBP
Retailer 4£2,555 GBP
Retailer 2£2,654 GBP
Retailer 5£2,948 GBP
Retailer 6£3,046 GBP
NZ Jewellers£4,452 GBP

4 data points across 6 retailers

5 retailers£2,555 GBP to £4,452 GBP

Retailer 1
-
£2,555 GBP
Price last confirmed 9 days ago
B+
Retailer 2
-
£2,555 GBP
View
B
Retailer 3
-
£2,654 GBP
View
B
Retailer 4
-
£2,948 GBP
View
Most Expensive
B
NZ Jewellers
3c40b465-650c-450a-a90a-1b0b48bd3da5 · Nov 5
£4,452 GBP
$5,959 USD
View
4 more retailers have this diamond
Prices start from £2,555 GBPSave up to £1,897 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.

B+
1.02ct Radiant
£2,555 GBP