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Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

GD • E/SI2 • GIA 6505181551

Certificate GIA 6505181551

Diamond specifications and retailer prices

From £1,785 GBP
$2,377 USD
As of October 28, 2026
Save £2,112 GBP (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,897 GBP at MOH London · As of October 26, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6505181551. Listed at 13 retailers as of October 26, 2026, with prices from £1,785 to £3,897, a £2,112 spread on the same certified stone. MOH London lists it at £3,897. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

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

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6505181551
Dimensions7.12 × 5.29 × 3.24 mm
L/W Ratio1.35
Top View
7.12 mm5.29 mm1.00 ctE / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6505181551
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 61.2%

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: Oct 28
Current: £3,897 GBP|Low: £1,785 GBP|High: £3,939 GBP|Avg: £2,437 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8£1,785 GBP
Retailer 7£1,853 GBP
Retailer 5£1,934 GBP
Retailer 6£2,281 GBP
Retailer 10£2,403 GBP
Retailer 11£2,403 GBP
Retailer 2£2,424 GBP
Retailer 3£2,486 GBP
Retailer 9£2,700 GBP
Retailer 4£2,720 GBP
MOH London£3,897 GBP

38 data points across 11 retailers

13 retailers£1,785 GBP to £3,897 GBP

A
Cheapest Retailer
-
£1,785 GBP
$2,377 USD
B+
Retailer 2
-
£1,853 GBP
$2,467 USD
View
B+
Retailer 3
-
£1,865 GBP
$2,483 USD
View
B+
Retailer 4
-
£1,907 GBP
$2,540 USD
View
B+
Retailer 5
-
£1,934 GBP
$2,575 USD
View
B
Retailer 6
-
£2,281 GBP
$3,038 USD
View
B
Retailer 7
-
£2,403 GBP
$3,200 USD
View
B
Retailer 8
-
£2,403 GBP
$3,200 USD
View
B
Retailer 9
-
£2,424 GBP
View
B
Retailer 10
-
£2,486 GBP
$3,310 USD
View
B
Retailer 11
-
£2,700 GBP
$3,596 USD
View
B
Retailer 12
-
£2,720 GBP
€3,450 EUR
View
Most Expensive
B
MOH London
75507203F · Oct 26
£3,897 GBP
View
12 more retailers have this diamond
Prices start from £1,785 GBPSave up to £2,112 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
£1,785 GBP