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Radiant|Natural|GIA

1.03ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 3515473434

Certificate GIA 3515473434

Diamond specifications and retailer prices

From £1,498 GBP
As of November 5, 2026
Save £679 GBP (31%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,177 GBP at Allurez · As of November 5, 2026
View at Allurez

About this 1.03ct natural radiant diamond

This 1.03ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3515473434. Listed at 5 retailers as of November 5, 2026, with prices from £1,498 to £2,177, a £679 spread on the same certified stone. Allurez lists it at £2,177. 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

1.03
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3515473434
Dimensions7.01 × 4.90 × 3.41 mm
L/W Ratio1.43
Top View
7.01 mm4.90 mm1.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3515473434
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.7%

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 5
Current: £1,498 GBP|Low: £1,449 GBP|High: £2,057 GBP|Avg: £1,731 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 26, 2026
Retailer 5£1,449 GBP
Retailer 1£1,498 GBP
Retailer 2£1,584 GBP
Retailer 4£1,584 GBP
Retailer 3£1,636 GBP
Retailer 6£2,057 GBP

12 data points across 6 retailers

5 retailers£1,498 GBP to £2,177 GBP

A
Cheapest Retailer
-
£1,498 GBP
B+
Retailer 2
-
£1,584 GBP
View
B+
Retailer 3
-
£1,584 GBP
View
B+
Retailer 4
-
£1,636 GBP
View
Most Expensive
B
Allurez
5773216 · Nov 5
£2,177 GBP
$2,914 USD
View
4 more retailers have this diamond
Prices start from £1,498 GBPSave up to £679 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
1.03ct Radiant
£1,498 GBP