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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2476948330

Certificate GIA 2476948330

Diamond specifications and retailer prices

From $2,528 AUD
As of November 6, 2026
Save $3,930 AUD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,458 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2476948330. Listed at 18 retailers as of November 5, 2026, with prices from $2,528 to $6,458, a $3,930 spread on the same certified stone. NZ Jewellers lists it at $6,458. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2476948330
Dimensions6.52 × 6.50 × 3.93 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.52 mm6.50 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2476948330
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: $6,458 AUD|Low: $2,528 AUD|High: $6,458 AUD|Avg: $3,383 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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 3$2,528 AUD
Retailer 15$2,586 AUD
Retailer 8$2,693 AUD
Retailer 7$2,798 AUD
Retailer 9$2,798 AUD
Retailer 19$2,857 AUD
Retailer 11$2,887 AUD
Retailer 16$2,920 AUD
Retailer 5$2,928 AUD
Retailer 4$3,008 AUD
Retailer 17$3,023 AUD
Retailer 6$3,078 AUD
Retailer 10$3,230 AUD
Retailer 18$3,238 AUD
Retailer 2$3,337 AUD
Retailer 13$3,770 AUD
Retailer 12$3,971 AUD
Retailer 14$5,397 AUD
NZ Jewellers$6,458 AUD

45 data points across 19 retailers

18 retailers$2,528 AUD to $6,458 AUD

B+
Cheapest Retailer
-
$2,528 AUD
B+
Retailer 2
-
$2,586 AUD
View
B+
Retailer 3
-
$2,693 AUD
View
Retailer 4
-
$2,798 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,798 AUD
View
B+
Retailer 6
-
$2,857 AUD
View
B+
Retailer 7
-
$2,887 AUD
View
B+
Retailer 8
-
$2,920 AUD
View
B+
Retailer 9
-
$2,928 AUD
View
B+
Retailer 10
-
$3,023 AUD
View
B+
Retailer 11
-
$3,078 AUD
View
B
Retailer 12
-
$3,230 AUD
View
B
Retailer 13
-
$3,238 AUD
View
B
Retailer 14
-
$3,337 AUD
View
B
Retailer 15
-
$3,770 AUD
View
B
Retailer 16
-
$3,971 AUD
View
B
Retailer 17
-
$5,397 AUD
View
Most Expensive
B
NZ Jewellers
c8851792-1fd6-4299-812c-c4ac04bcafa4 · Nov 5
$6,458 AUD
$4,521 USD
View
17 more retailers have this diamond
Prices start from $2,528 AUDSave up to $3,930 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
$2,528 AUD