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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 5151807441

Certificate GIA 5151807441

Diamond specifications and retailer prices

From $5,070 CAD
As of November 5, 2026
Save $6,430 CAD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,500 CAD 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 D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 5151807441. Listed at 20 retailers as of November 5, 2026, with prices from $5,070 to $11,500, a $6,430 spread on the same certified stone. NZ Jewellers lists it at $11,500. 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

1.00
Carat
D
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5151807441
Dimensions6.52 × 6.44 × 3.89 mm
L/W Ratio1.01
Top View
6.52 mm6.44 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5151807441
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.0%

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 5
Current: $11,500 CAD|Low: $4,599 CAD|High: $11,500 CAD|Avg: $7,250 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
November 6, 2026
Retailer 8$5,133 CAD
Retailer 10$5,519 CAD
Retailer 4$5,666 CAD
Retailer 11$5,979 CAD
Retailer 12$5,979 CAD
Retailer 14$5,979 CAD
Retailer 7$6,456 CAD
Retailer 13$6,899 CAD
Retailer 2$7,011 CAD
Retailer 3$7,289 CAD
Retailer 5$7,909 CAD
Retailer 6$9,659 CAD
Retailer 9$10,512 CAD
NZ Jewellers$11,500 CAD

40 data points across 14 retailers

20 retailers$5,070 CAD to $11,500 CAD

B
Cheapest Retailer
-
$5,070 CAD
B+
Retailer 2
-
$5,133 CAD
View
B
Retailer 3
-
$5,261 CAD
View
B
Retailer 4
-
$5,519 CAD
View
Final sale: no returns
B
Retailer 5
-
$5,644 CAD
View
B
Retailer 6
-
$5,666 CAD
View
B
Retailer 7
-
$5,979 CAD
View
Retailer 8
-
$5,979 CAD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$5,979 CAD
View
B
Retailer 10
-
$6,456 CAD
View
B
Retailer 11
-
$6,511 CAD
View
B
Retailer 12
-
$6,732 CAD
View
B
Retailer 13
-
$6,732 CAD
View
B
Retailer 14
-
$6,899 CAD
View
B
Retailer 15
-
$6,955 CAD
View
B
Retailer 16
-
$7,011 CAD
View
Retailer 17
-
$7,289 CAD
View
Price last confirmed 14 days ago
C
Retailer 18
-
$10,033 CAD
View
C
Retailer 19
-
$10,512 CAD
View
Most Expensive
C
NZ Jewellers
d8f8aaed-5d6c-49ad-a4ac-db313940aff6 · Nov 5
$11,500 CAD
$8,234 USD
View
19 more retailers have this diamond
Prices start from $5,070 CADSave up to $6,430 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.

B+
1.00ct Round
$5,070 CAD