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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 $3,383 AUD
$2,377 USD
As of October 28, 2026
Save $4,003 AUD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,386 AUD 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 $3,383 to $7,386, a $4,003 spread on the same certified stone. MOH London lists it at $7,386. 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: $7,386 AUD|Low: $3,383 AUD|High: $7,466 AUD|Avg: $4,619 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$3,383 AUD
Retailer 7$3,512 AUD
Retailer 5$3,665 AUD
Retailer 6$4,324 AUD
Retailer 10$4,555 AUD
Retailer 11$4,555 AUD
Retailer 2$4,609 AUD
Retailer 3$4,711 AUD
Retailer 9$5,119 AUD
Retailer 4$5,156 AUD
MOH London$7,386 AUD

39 data points across 11 retailers

13 retailers$3,383 AUD to $7,386 AUD

A
Cheapest Retailer
-
$3,383 AUD
$2,377 USD
B+
Retailer 2
-
$3,512 AUD
$2,467 USD
View
B+
Retailer 3
-
$3,534 AUD
$2,483 USD
View
B+
Retailer 4
-
$3,615 AUD
$2,540 USD
View
B+
Retailer 5
-
$3,665 AUD
$2,575 USD
View
B
Retailer 6
-
$4,324 AUD
$3,038 USD
View
B
Retailer 7
-
$4,555 AUD
$3,200 USD
View
B
Retailer 8
-
$4,555 AUD
$3,200 USD
View
B
Retailer 9
-
$4,609 AUD
£2,549 GBP
View
B
Retailer 10
-
$4,711 AUD
$3,310 USD
View
B
Retailer 11
-
$5,119 AUD
$3,596 USD
View
B
Retailer 12
-
$5,156 AUD
€3,450 EUR
View
Most Expensive
B
MOH London
75507203F · Oct 26
$7,386 AUD
£4,086 GBP
View
12 more retailers have this diamond
Prices start from $3,383 AUDSave up to $4,003 AUD

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
$3,383 AUD