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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 6392299025

Certificate GIA 6392299025

Diamond specifications and retailer prices

From $3,013 AUD
As of October 31, 2026
Save $5,763 AUD (66%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,775 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6392299025. Listed at 24 retailers as of October 31, 2026, with prices from $3,013 to $8,775, a $5,763 spread on the same certified stone. NZ Jewellers lists it at $8,775. 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
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6392299025
Dimensions6.18 × 6.14 × 4.04 mm
L/W Ratio1.01
Top View
6.18 mm6.14 mm1.00 ctE / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6392299025
Side View
Table 58.0%Crown 38.5°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 65.5%

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 31
Current: $4,251 AUD|Low: $3,004 AUD|High: $7,057 AUD|Avg: $4,270 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$3,013 AUD
Retailer 11$3,053 AUD
Retailer 2$3,758 AUD
Retailer 9$3,797 AUD
Retailer 3$3,874 AUD
Retailer 5$4,013 AUD
Retailer 1$4,251 AUD
Retailer 4$4,417 AUD
Retailer 8$4,681 AUD
Retailer 6$5,123 AUD
Retailer 7$7,000 AUD

31 data points across 11 retailers

24 retailers$3,013 AUD to $8,775 AUD

A
Cheapest Retailer
-
$3,013 AUD
A
Retailer 2
-
$3,053 AUD
View
B+
Retailer 3
-
$3,616 AUD
View
B+
Retailer 4
-
$3,758 AUD
View
B+
Retailer 5
-
$3,797 AUD
View
B+
Retailer 6
-
$3,874 AUD
View
Final sale: no returns
B+
Retailer 7
-
$3,963 AUD
View
B+
Retailer 8
-
$4,013 AUD
View
B+
Retailer 9
-
$4,100 AUD
View
B+
Retailer 10
-
$4,197 AUD
View
Retailer 11
-
$4,197 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$4,223 AUD
View
Price last confirmed 109 days ago
B+
Retailer 13
-
$4,251 AUD
View
B+
Retailer 14
-
$4,358 AUD
View
B+
Retailer 15
-
$4,400 AUD
View
B+
Retailer 16
-
$4,417 AUD
View
B+
Retailer 17
-
$4,681 AUD
View
Retailer 18
-
$4,720 AUD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$4,843 AUD
View
B
Retailer 20
-
$5,123 AUD
View
B
Retailer 21
-
$7,000 AUD
View
B
Retailer 22
-
$7,910 AUD
View
C
Retailer 23
-
$8,270 AUD
View
Most Expensive
C
NZ Jewellers
21b345b7-76c4-4d88-b70b-daf06d2a06a4 · Nov 5
$8,775 AUD
$6,143 USD
View
23 more retailers have this diamond
Prices start from $3,013 AUDSave up to $5,763 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 Round
$3,013 AUD