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Radiant|Natural|GIA

1.00ct E SI2 Radiant Natural Diamond

VG • E/SI2 • GIA 7421637627

Certificate GIA 7421637627

Diamond specifications and retailer prices

From $2,241 AUD
HK$12,300 HKD
As of October 29, 2026
Save $4,799 AUD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,040 AUD at Adiamor · As of October 29, 2026
View at Adiamor

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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 7421637627. Listed at 19 retailers as of October 29, 2026, with prices from $2,241 to $7,040, a $4,799 spread on the same certified stone. Adiamor lists it at $7,040. 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
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7421637627
Dimensions6.55 × 5.11 × 3.55 mm
L/W Ratio1.28
Top View
6.55 mm5.11 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7421637627
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.5%

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 29
Current: $3,427 AUD|Low: $2,135 AUD|High: $5,555 AUD|Avg: $3,216 AUD|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 2$2,241 AUD
Retailer 3$2,244 AUD
Retailer 9$2,830 AUD
Retailer 8$2,890 AUD
Retailer 7$2,904 AUD
Retailer 6$2,918 AUD
Retailer 10$3,277 AUD
Retailer 1$3,427 AUD
Retailer 5$3,905 AUD
Retailer 4$5,517 AUD

37 data points across 10 retailers

19 retailers$2,241 AUD to $7,040 AUD

A
Cheapest Retailer
-
$2,241 AUD
HK$12,300 HKD
A
Retailer 2
-
$2,244 AUD
₹150,137 INR
View
A
Retailer 3
-
$2,747 AUD
$1,930 USD
View
A
Retailer 4
-
$2,830 AUD
$1,988 USD
View
B+
Retailer 5
-
$2,890 AUD
$2,030 USD
View
Final sale: no returns
A
Retailer 6
-
$2,904 AUD
$2,040 USD
View
A
Retailer 7
-
$2,918 AUD
$2,050 USD
View
A
Retailer 8
-
$3,024 AUD
View
A
Retailer 9
-
$3,133 AUD
$2,201 USD
View
A
Retailer 10
-
$3,133 AUD
$2,201 USD
View
A
Retailer 11
-
$3,153 AUD
SGD 2,993 SGD
View
A
Retailer 12
-
$3,277 AUD
$2,302 USD
View
A
Retailer 13
-
$3,331 AUD
$2,340 USD
View
A
Retailer 14
-
$3,427 AUD
£1,896 GBP
View
B+
Retailer 15
-
$3,614 AUD
$2,539 USD
View
B+
Retailer 16
-
$3,905 AUD
€2,613 EUR
View
B
Retailer 17
-
$5,517 AUD
£3,052 GBP
View
B
Retailer 18
-
$6,549 AUD
$4,601 USD
View
Most Expensive
B
Adiamor
D-50371349 · Oct 29
$7,040 AUD
$4,946 USD
View
18 more retailers have this diamond
Prices start from $2,241 AUDSave up to $4,799 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
$2,241 AUD