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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 7556341509

Certificate GIA 7556341509

Diamond specifications and retailer prices

From $2,998 AUD
As of November 4, 2026
Save $5,031 AUD (63%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $8,030 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 very-good cut grade and certified by GIA 7556341509. Listed at 27 retailers as of November 4, 2026, with prices from $2,998 to $8,030, a $5,031 spread on the same certified stone. NZ Jewellers lists it at $8,030. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7556341509
Dimensions6.49 × 6.42 × 3.83 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Needle, Natural
Top View
6.49 mm6.42 mm1.00 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556341509
Side View
Table 64.0%Crown 31.5°Girdle: THN-THKPavilion 41.2°Culet: NoneDepth 59.3%

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: $8,030 AUD|Low: $2,980 AUD|High: $8,030 AUD|Avg: $4,257 AUD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 6, 2026
Retailer 3$2,998 AUD
Retailer 23$3,010 AUD
Retailer 11$3,393 AUD
Retailer 17$3,398 AUD
Retailer 24$3,431 AUD
Retailer 15$3,440 AUD
Retailer 12$3,546 AUD
Retailer 20$3,673 AUD
Retailer 4$3,786 AUD
Retailer 8$3,816 AUD
Retailer 6$3,841 AUD
Retailer 9$3,841 AUD
Retailer 10$3,851 AUD
Retailer 7$3,988 AUD
Retailer 13$4,041 AUD
Retailer 5$4,043 AUD
Retailer 2$4,176 AUD
Retailer 19$4,397 AUD
Retailer 14$4,433 AUD
Retailer 21$4,498 AUD
Retailer 25$4,677 AUD
Retailer 22$4,688 AUD
Retailer 16$5,650 AUD
Retailer 18$5,807 AUD
Retailer 26$6,710 AUD
NZ Jewellers$8,030 AUD

20 data points across 26 retailers

27 retailers$2,998 AUD to $8,030 AUD

A
Cheapest Retailer
-
$2,998 AUD
A
Retailer 2
-
$3,010 AUD
View
A
Retailer 3
-
$3,393 AUD
View
A
Retailer 4
-
$3,398 AUD
View
A
Retailer 5
-
$3,431 AUD
View
A
Retailer 6
-
$3,440 AUD
View
A
Retailer 7
-
$3,546 AUD
View
Final sale: no returns
A
Retailer 8
-
$3,673 AUD
View
B+
Retailer 9
-
$3,786 AUD
View
A
Retailer 10
-
$3,816 AUD
View
Retailer 11
-
$3,841 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$3,841 AUD
View
A
Retailer 13
-
$3,851 AUD
View
B+
Retailer 14
-
$3,988 AUD
View
A
Retailer 15
-
$4,041 AUD
View
B+
Retailer 16
-
$4,043 AUD
View
B+
Retailer 17
-
$4,176 AUD
View
B+
Retailer 18
-
$4,397 AUD
View
B+
Retailer 19
-
$4,433 AUD
View
B+
Retailer 20
-
$4,498 AUD
View
Retailer 21
-
$4,515 AUD
View
Price last confirmed 30 days ago
B+
Retailer 22
-
$4,677 AUD
View
B+
Retailer 23
-
$4,688 AUD
View
B
Retailer 24
-
$5,650 AUD
View
B
Retailer 25
-
$5,807 AUD
View
B
Retailer 26
-
$6,710 AUD
View
Most Expensive
B
NZ Jewellers
5902ba5c-c8b1-40b6-acc0-31f7ddff97ce · Nov 5
$8,030 AUD
$5,621 USD
View
26 more retailers have this diamond
Prices start from $2,998 AUDSave up to $5,031 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
$2,998 AUD