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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

GD • K/SI2 • GIA 5413046044

Certificate GIA 5413046044

Diamond specifications and retailer prices

From $1,646 AUD
As of November 6, 2026
Save $3,753 AUD (70%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,398 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 5413046044. Listed at 15 retailers as of November 5, 2026, with prices from $1,646 to $5,398, a $3,753 spread on the same certified stone. NZ Jewellers lists it at $5,398. 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
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5413046044
Dimensions6.15 × 6.10 × 3.98 mm
L/W Ratio1.01
Top View
6.15 mm6.10 mm1.00 ctK / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5413046044
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,398 AUD|Low: $1,627 AUD|High: $5,398 AUD|Avg: $2,454 AUD
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
November 6, 2026
Retailer 16$1,646 AUD
Retailer 5$2,051 AUD
Retailer 2$2,147 AUD
Retailer 7$2,201 AUD
Retailer 3$2,213 AUD
Retailer 15$2,213 AUD
Retailer 6$2,271 AUD
Retailer 9$2,283 AUD
Retailer 8$2,297 AUD
Retailer 13$2,316 AUD
Retailer 4$2,407 AUD
Retailer 10$2,431 AUD
Retailer 14$2,554 AUD
Retailer 11$3,003 AUD
Retailer 12$3,867 AUD
NZ Jewellers$5,398 AUD

34 data points across 16 retailers

15 retailers$1,646 AUD to $5,398 AUD

B+
Cheapest Retailer
-
$1,646 AUD
B+
Retailer 2
-
$2,051 AUD
View
B+
Retailer 3
-
$2,147 AUD
View
B+
Retailer 4
-
$2,201 AUD
View
Retailer 5
-
$2,213 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,213 AUD
View
B+
Retailer 7
-
$2,271 AUD
View
B+
Retailer 8
-
$2,283 AUD
View
B+
Retailer 9
-
$2,316 AUD
View
B+
Retailer 10
-
$2,407 AUD
View
B+
Retailer 11
-
$2,431 AUD
View
B+
Retailer 12
-
$2,554 AUD
View
B
Retailer 13
-
$3,003 AUD
View
B
Retailer 14
-
$3,867 AUD
View
Most Expensive
C
NZ Jewellers
388cc72c-79d3-42a0-8f2e-bb643681faab · Nov 5
$5,398 AUD
$3,779 USD
View
14 more retailers have this diamond
Prices start from $1,646 AUDSave up to $3,753 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.

B+
1.00ct Round
$1,646 AUD