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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 $3,149 NZD
As of November 6, 2026
Save $4,894 NZD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,042 NZD 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 $3,149 to $8,042, a $4,894 spread on the same certified stone. NZ Jewellers lists it at $8,042. 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: $8,042 NZD|Low: $3,149 NZD|High: $8,042 NZD|Avg: $4,213 NZD
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$3,149 NZD
Retailer 15$3,220 NZD
Retailer 8$3,353 NZD
Retailer 7$3,485 NZD
Retailer 9$3,485 NZD
Retailer 19$3,558 NZD
Retailer 11$3,595 NZD
Retailer 16$3,636 NZD
Retailer 5$3,647 NZD
Retailer 4$3,746 NZD
Retailer 17$3,764 NZD
Retailer 6$3,834 NZD
Retailer 10$4,022 NZD
Retailer 18$4,033 NZD
Retailer 2$4,156 NZD
Retailer 13$4,695 NZD
Retailer 12$4,945 NZD
Retailer 14$6,721 NZD
NZ Jewellers$8,042 NZD

45 data points across 19 retailers

18 retailers$3,149 NZD to $8,042 NZD

B+
Cheapest Retailer
-
$3,149 NZD
B+
Retailer 2
-
$3,220 NZD
View
B+
Retailer 3
-
$3,353 NZD
View
Retailer 4
-
$3,485 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,485 NZD
View
B+
Retailer 6
-
$3,558 NZD
View
B+
Retailer 7
-
$3,595 NZD
View
B+
Retailer 8
-
$3,636 NZD
View
B+
Retailer 9
-
$3,647 NZD
View
B+
Retailer 10
-
$3,764 NZD
View
B+
Retailer 11
-
$3,834 NZD
View
B
Retailer 12
-
$4,022 NZD
View
B
Retailer 13
-
$4,033 NZD
View
B
Retailer 14
-
$4,156 NZD
View
B
Retailer 15
-
$4,695 NZD
View
B
Retailer 16
-
$4,945 NZD
View
B
Retailer 17
-
$6,721 NZD
View
Most Expensive
B
NZ Jewellers
c8851792-1fd6-4299-812c-c4ac04bcafa4 · Nov 5
$8,042 NZD
$4,521 USD
View
17 more retailers have this diamond
Prices start from $3,149 NZDSave up to $4,894 NZD

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
$3,149 NZD