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Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 5566373230

Certificate GIA 5566373230

Diamond specifications and retailer prices

From £1,415 GBP
As of November 6, 2026
Save £1,908 GBP (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,323 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566373230. Listed at 9 retailers as of November 4, 2026, with prices from £1,415 to £3,323, a £1,908 spread on the same certified stone. MOH London lists it at £3,323. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566373230
Dimensions6.99 × 5.08 × 3.52 mm
L/W Ratio1.38
Girdle conditionMedium to Slightly Thick
Culet sizeNone
Top View
6.99 mm5.08 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566373230
Side View
Table 70.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 69.3%

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 6
Current: £3,323 GBP|Low: £1,415 GBP|High: £3,349 GBP|Avg: £2,101 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6£1,415 GBP
Retailer 4£1,479 GBP
Retailer 8£1,662 GBP
Retailer 7£1,776 GBP
Retailer 2£2,012 GBP
Retailer 3£2,025 GBP
Retailer 5£2,362 GBP
MOH London£3,323 GBP

38 data points across 8 retailers

9 retailers£1,415 GBP to £3,323 GBP

A
Cheapest Retailer
-
£1,415 GBP
A
Retailer 2
-
£1,479 GBP
View
A
Retailer 3
-
£1,662 GBP
View
A
Retailer 4
-
£1,776 GBP
View
B+
Retailer 5
-
£2,012 GBP
View
B+
Retailer 6
-
£2,025 GBP
View
B+
Retailer 7
-
£2,059 GBP
View
B+
Retailer 8
-
£2,362 GBP
View
Most Expensive
B
MOH London
62F2B56C7 · Nov 4
£3,323 GBP
View
8 more retailers have this diamond
Prices start from £1,415 GBPSave up to £1,908 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
1.00ct Radiant
£1,415 GBP