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Radiant|Natural|GIA

1.02ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5242094588

Certificate GIA 5242094588

Diamond specifications and retailer prices

From £917 GBP
As of November 6, 2026
Save £2,133 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,050 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 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 5242094588. Listed at 8 retailers as of November 5, 2026, with prices from £917 to £3,050, a £2,133 spread on the same certified stone. NZ Jewellers lists it at £3,050. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle63.95°
OriginNatural
Grading LabGIA
CertificateGIA 5242094588
Dimensions6.69 × 5.12 × 3.55 mm
L/W Ratio1.31
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.69 mm5.12 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5242094588
Side View
Table 66.0%CrownGirdle: MED-STKPavilion 63.95°Culet: NoneDepth 69.4%

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 6
Current: £3,050 GBP|Low: £917 GBP|High: £3,142 GBP|Avg: £1,572 GBP|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7£917 GBP
Retailer 3£1,213 GBP
Retailer 8£1,251 GBP
Retailer 4£1,276 GBP
Retailer 2£1,289 GBP
Retailer 6£1,390 GBP
Retailer 5£2,185 GBP
NZ Jewellers£3,050 GBP

15 data points across 8 retailers

8 retailers£917 GBP to £3,050 GBP

A
Cheapest Retailer
-
£917 GBP
A
Retailer 2
-
£1,213 GBP
View
A
Retailer 3
-
£1,251 GBP
View
A
Retailer 4
-
£1,276 GBP
View
A
Retailer 5
-
£1,289 GBP
View
A
Retailer 6
-
£1,390 GBP
View
B+
Retailer 7
-
£2,185 GBP
View
Most Expensive
B
NZ Jewellers
64f10838-0caa-4748-8a5f-5351694ebcb8 · Nov 5
£3,050 GBP
$4,083 USD
View
7 more retailers have this diamond
Prices start from £917 GBPSave up to £2,133 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
£917 GBP