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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 $1,715 CAD
As of November 4, 2026
Save $3,850 CAD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,565 CAD 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 4, 2026, with prices from $1,715 to $5,565, a $3,850 spread on the same certified stone. NZ Jewellers lists it at $5,565. 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
Color
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 4
Current: $5,565 CAD|Low: $1,698 CAD|High: $5,565 CAD|Avg: $2,636 CAD
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$1,715 CAD
Retailer 13$1,730 CAD
Retailer 18$2,039 CAD
Retailer 5$2,114 CAD
Retailer 12$2,181 CAD
Retailer 3$2,282 CAD
Retailer 6$2,282 CAD
Retailer 7$2,327 CAD
Retailer 11$2,387 CAD
Retailer 10$2,388 CAD
Retailer 19$2,388 CAD
Retailer 4$2,472 CAD
Retailer 2$2,501 CAD
Retailer 9$2,633 CAD
Retailer 15$2,785 CAD
Retailer 14$2,920 CAD
Retailer 8$3,311 CAD
Retailer 16$3,986 CAD
NZ Jewellers$5,565 CAD

23 data points across 19 retailers

19 retailers$1,715 CAD to $5,565 CAD

B+
Cheapest Retailer
-
$1,715 CAD
A
Retailer 2
-
$1,730 CAD
View
B+
Retailer 3
-
$2,039 CAD
View
B+
Retailer 4
-
$2,114 CAD
View
B+
Retailer 5
-
$2,181 CAD
View
B+
Retailer 6
-
$2,282 CAD
View
Retailer 7
-
$2,282 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,327 CAD
View
B+
Retailer 9
-
$2,387 CAD
View
B+
Retailer 10
-
$2,388 CAD
View
Retailer 11
-
$2,388 CAD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$2,472 CAD
View
B+
Retailer 13
-
$2,501 CAD
View
B+
Retailer 14
-
$2,633 CAD
View
B+
Retailer 15
-
$2,785 CAD
View
B+
Retailer 16
-
$2,920 CAD
View
B
Retailer 17
-
$3,311 CAD
View
B
Retailer 18
-
$3,986 CAD
View
Most Expensive
C
NZ Jewellers
0a0e3b24-45db-46df-9aeb-255499903e82 · Nov 5
$5,565 CAD
$3,985 USD
View
18 more retailers have this diamond
Prices start from $1,715 CADSave up to $3,850 CAD

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
$1,715 CAD