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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 2407165094

Certificate GIA 2407165094

Diamond specifications and retailer prices

From $2,377 AUD
As of November 4, 2026
Save $4,156 AUD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,533 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2407165094. Listed at 21 retailers as of November 4, 2026, with prices from $2,377 to $6,533, a $4,156 spread on the same certified stone. NZ Jewellers lists it at $6,533. 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

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2407165094
Dimensions6.32 × 6.29 × 3.99 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.32 mm6.29 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2407165094
Side View
Table 57.0%Crown 36.5°Girdle: VTN-STKPavilion 40.8°Culet: NoneDepth 63.5%

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: Nov 4
Current: $6,533 AUD|Low: $2,303 AUD|High: $6,533 AUD|Avg: $3,329 AUD|+2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 17$2,377 AUD
Retailer 12$2,481 AUD
Retailer 7$2,504 AUD
Retailer 18$2,540 AUD
Retailer 9$2,587 AUD
Retailer 16$2,614 AUD
Retailer 8$2,661 AUD
Retailer 5$2,788 AUD
Retailer 3$2,830 AUD
Retailer 20$2,830 AUD
Retailer 21$2,961 AUD
Retailer 11$3,266 AUD
Retailer 4$3,286 AUD
Retailer 10$3,286 AUD
Retailer 13$3,374 AUD
Retailer 6$3,400 AUD
Retailer 19$3,597 AUD
Retailer 2$3,957 AUD
Retailer 14$4,487 AUD
Retailer 15$5,458 AUD
NZ Jewellers$6,533 AUD

30 data points across 21 retailers

21 retailers$2,377 AUD to $6,533 AUD

A
Cheapest Retailer
-
$2,377 AUD
A
Retailer 2
-
$2,481 AUD
View
A
Retailer 3
-
$2,504 AUD
View
A
Retailer 4
-
$2,540 AUD
View
A
Retailer 5
-
$2,587 AUD
View
Final sale: no returns
A
Retailer 6
-
$2,614 AUD
View
A
Retailer 7
-
$2,661 AUD
View
A
Retailer 8
-
$2,788 AUD
View
Retailer 9
-
$2,830 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$2,830 AUD
View
A
Retailer 11
-
$2,961 AUD
View
A
Retailer 12
-
$3,266 AUD
View
A
Retailer 13
-
$3,286 AUD
View
A
Retailer 14
-
$3,286 AUD
View
A
Retailer 15
-
$3,374 AUD
View
A
Retailer 16
-
$3,400 AUD
View
A
Retailer 17
-
$3,597 AUD
View
A
Retailer 18
-
$3,957 AUD
View
B+
Retailer 19
-
$4,487 AUD
View
B
Retailer 20
-
$5,458 AUD
View
Most Expensive
B
NZ Jewellers
a5735b0a-f493-4fbf-b418-715692e0ee84 · Nov 5
$6,533 AUD
$4,573 USD
View
20 more retailers have this diamond
Prices start from $2,377 AUDSave up to $4,156 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
$2,377 AUD