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Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 2566303416

Certificate GIA 2566303416

Diamond specifications and retailer prices

From $2,184 NZD
As of November 6, 2026
Save $4,904 NZD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,089 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2566303416. Listed at 19 retailers as of November 5, 2026, with prices from $2,184 to $7,089, a $4,904 spread on the same certified stone. NZ Jewellers lists it at $7,089. 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

1.03
Carat
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle40°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566303416
Dimensions6.07 × 6.19 × 4.10 mm
L/W Ratio1.02
Top View
6.07 mm6.19 mm1.03 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2566303416
Side View
Table 57.0%Crown 40°Girdle: THK-VTKPavilion 39.8°Culet: NoneDepth 66.9%

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 6
Current: $7,089 NZD|Low: $2,163 NZD|High: $7,089 NZD|Avg: $3,358 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 17$2,184 NZD
Retailer 13$2,204 NZD
Retailer 18$2,597 NZD
Retailer 5$2,693 NZD
Retailer 12$2,779 NZD
Retailer 3$2,907 NZD
Retailer 6$2,907 NZD
Retailer 7$2,964 NZD
Retailer 11$3,040 NZD
Retailer 10$3,042 NZD
Retailer 19$3,042 NZD
Retailer 4$3,149 NZD
Retailer 2$3,186 NZD
Retailer 9$3,353 NZD
Retailer 15$3,547 NZD
Retailer 14$3,720 NZD
Retailer 8$4,218 NZD
Retailer 16$5,077 NZD
NZ Jewellers$7,089 NZD

23 data points across 19 retailers

19 retailers$2,184 NZD to $7,089 NZD

B+
Cheapest Retailer
-
$2,184 NZD
A
Retailer 2
-
$2,204 NZD
View
B+
Retailer 3
-
$2,597 NZD
View
B+
Retailer 4
-
$2,693 NZD
View
B+
Retailer 5
-
$2,779 NZD
View
B+
Retailer 6
-
$2,907 NZD
View
Retailer 7
-
$2,907 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,964 NZD
View
B+
Retailer 9
-
$3,040 NZD
View
B+
Retailer 10
-
$3,042 NZD
View
Retailer 11
-
$3,042 NZD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$3,149 NZD
View
B+
Retailer 13
-
$3,186 NZD
View
B+
Retailer 14
-
$3,353 NZD
View
B+
Retailer 15
-
$3,547 NZD
View
B+
Retailer 16
-
$3,720 NZD
View
B
Retailer 17
-
$4,218 NZD
View
B
Retailer 18
-
$5,077 NZD
View
Most Expensive
C
NZ Jewellers
0a0e3b24-45db-46df-9aeb-255499903e82 · Nov 5
$7,089 NZD
$3,985 USD
View
18 more retailers have this diamond
Prices start from $2,184 NZDSave up to $4,904 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.

A
1.03ct Round
$2,184 NZD