CaratHunter
Plans
Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6565439499

Certificate GIA 6565439499

Diamond specifications and retailer prices

From $3,254 AUD
As of November 4, 2026
Save $5,781 AUD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,035 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 top-tier cut grade and certified by GIA 6565439499. Listed at 21 retailers as of November 4, 2026, with prices from $3,254 to $9,035, a $5,781 spread on the same certified stone. NZ Jewellers lists it at $9,035. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565439499
Dimensions6.40 × 6.37 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.40 mm6.37 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565439499
Side View
Table 55.0%Crown 36°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 62.8%

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: Nov 4
Current: $4,524 AUD|Low: $3,254 AUD|High: $7,265 AUD|Avg: $4,388 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 4$3,254 AUD
Retailer 11$3,264 AUD
Retailer 5$3,576 AUD
Retailer 12$3,717 AUD
Retailer 13$3,750 AUD
Retailer 8$3,908 AUD
Retailer 9$4,133 AUD
Retailer 3$4,150 AUD
Retailer 6$4,483 AUD
Retailer 1$4,524 AUD
Retailer 7$4,778 AUD
Retailer 10$5,007 AUD
Retailer 2$7,227 AUD

22 data points across 13 retailers

21 retailers$3,254 AUD to $9,035 AUD

A
Cheapest Retailer
-
$3,254 AUD
A
Retailer 2
-
$3,264 AUD
View
Retailer 3
-
$3,576 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$3,661 AUD
View
A
Retailer 5
-
$3,717 AUD
View
A
Retailer 6
-
$3,750 AUD
View
A
Retailer 7
-
$3,804 AUD
View
A
Retailer 8
-
$3,908 AUD
View
A
Retailer 9
-
$3,988 AUD
View
Final sale: no returns
A
Retailer 10
-
$4,133 AUD
View
A
Retailer 11
-
$4,150 AUD
View
A
Retailer 12
-
$4,321 AUD
View
A
Retailer 13
-
$4,483 AUD
View
B+
Retailer 14
-
$4,488 AUD
View
Retailer 15
-
$4,524 AUD
View
B+
Retailer 16
-
$4,778 AUD
View
B+
Retailer 17
-
$4,987 AUD
View
B+
Retailer 18
-
$5,007 AUD
View
B+
Retailer 19
-
$6,291 AUD
View
B
Retailer 20
-
$7,227 AUD
View
Most Expensive
B
NZ Jewellers
7a2dbb6a-4cc8-405f-9168-08fa7d082c80 · Nov 5
$9,035 AUD
$6,325 USD
View
20 more retailers have this diamond
Prices start from $3,254 AUDSave up to $5,781 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
$3,254 AUD