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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

GD • D/SI1 • GIA 2556450146

Certificate GIA 2556450146

Diamond specifications and retailer prices

From $3,074 CAD
As of November 4, 2026
Save $5,139 CAD (63%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,213 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2556450146. Listed at 25 retailers as of November 4, 2026, with prices from $3,074 to $8,213, a $5,139 spread on the same certified stone. NZ Jewellers lists it at $8,213. 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

1.01
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556450146
Dimensions6.03 × 6.13 × 4.07 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.03 mm6.13 mm1.01 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556450146
Side View
Table 62.0%Crown 40°Girdle: THK-VTKPavilion 41°Culet: NoneDepth 66.8%

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: $8,213 CAD|Low: $3,056 CAD|High: $8,213 CAD|Avg: $4,445 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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 5$3,074 CAD
Retailer 21$3,085 CAD
Retailer 11$3,472 CAD
Retailer 15$3,519 CAD
Retailer 22$3,519 CAD
Retailer 12$3,626 CAD
Retailer 18$3,757 CAD
Retailer 3$3,846 CAD
Retailer 6$3,855 CAD
Retailer 4$3,895 CAD
Retailer 8$3,929 CAD
Retailer 10$3,929 CAD
Retailer 9$4,079 CAD
Retailer 7$4,126 CAD
Retailer 13$4,134 CAD
Retailer 2$4,283 CAD
Retailer 23$4,500 CAD
Retailer 14$4,533 CAD
Retailer 19$4,593 CAD
Retailer 20$4,795 CAD
Retailer 16$5,796 CAD
Retailer 17$5,958 CAD
Retailer 24$6,863 CAD
NZ Jewellers$8,213 CAD

19 data points across 24 retailers

25 retailers$3,074 CAD to $8,213 CAD

A
Cheapest Retailer
-
$3,074 CAD
A
Retailer 2
-
$3,085 CAD
View
A
Retailer 3
-
$3,472 CAD
View
B+
Retailer 4
-
$3,519 CAD
View
A
Retailer 5
-
$3,519 CAD
View
A
Retailer 6
-
$3,626 CAD
View
Final sale: no returns
A
Retailer 7
-
$3,757 CAD
View
B+
Retailer 8
-
$3,846 CAD
View
B+
Retailer 9
-
$3,855 CAD
View
B+
Retailer 10
-
$3,895 CAD
View
Retailer 11
-
$3,929 CAD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$3,929 CAD
View
B+
Retailer 13
-
$4,079 CAD
View
B+
Retailer 14
-
$4,126 CAD
View
B+
Retailer 15
-
$4,134 CAD
View
B+
Retailer 16
-
$4,283 CAD
View
B+
Retailer 17
-
$4,500 CAD
View
B+
Retailer 18
-
$4,533 CAD
View
B+
Retailer 19
-
$4,593 CAD
View
Retailer 20
-
$4,761 CAD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$4,795 CAD
View
B
Retailer 22
-
$5,796 CAD
View
B
Retailer 23
-
$5,958 CAD
View
B
Retailer 24
-
$6,863 CAD
View
Most Expensive
C
NZ Jewellers
ffbaecdc-c3de-48b0-9890-1cd15db27370 · Nov 5
$8,213 CAD
$5,881 USD
View
24 more retailers have this diamond
Prices start from $3,074 CADSave up to $5,139 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
1.01ct Round
$3,074 CAD