Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6521858903

Certificate GIA 6521858903

Diamond specifications and retailer prices

From $3,342 CAD
As of November 4, 2026
Save $3,901 CAD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,567 CAD at NZ Jewellers · As of September 26, 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 top-tier cut grade and certified by GIA 6521858903. Listed at 21 retailers as of November 4, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521858903
Dimensions6.46 × 6.42 × 3.88 mm
L/W Ratio1.01
Top View
6.46 mm6.42 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521858903
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,645 CAD|Low: $3,342 CAD|High: $7,352 CAD|Avg: $4,892 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,342 CAD
Retailer 5$3,478 CAD
Retailer 10$3,971 CAD
Retailer 2$4,008 CAD
Retailer 6$4,188 CAD
Retailer 3$4,466 CAD
Retailer 1$4,645 CAD
Retailer 4$5,045 CAD
Retailer 7$7,243 CAD
Retailer 9$7,325 CAD

36 data points across 10 retailers

21 retailers$3,342 CAD to $7,243 CAD

A
Cheapest Retailer
-
$3,342 CAD
A
Retailer 2
-
$3,478 CAD
View
A
Retailer 3
-
$3,971 CAD
View
A
Retailer 4
-
$4,008 CAD
View
Final sale: no returns
A
Retailer 5
-
$4,100 CAD
View
A
Retailer 6
-
$4,188 CAD
View
Retailer 7
-
$4,343 CAD
View
Price last confirmed 44 days ago
Retailer 8
-
$4,343 CAD
View
Price last confirmed 25 days ago
Retailer 9
-
$4,343 CAD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$4,399 CAD
View
B+
Retailer 11
-
$4,466 CAD
View
Retailer 12
-
$4,511 CAD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$4,543 CAD
View
B+
Retailer 14
-
$4,645 CAD
View
Retailer 15
-
$5,011 CAD
View
Price last confirmed 45 days ago
Retailer 16
-
$5,011 CAD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$5,045 CAD
View
B
Retailer 18
-
$7,243 CAD
View
Retailer 19
-
$7,325 CAD
View
Price last confirmed 9 days ago
Retailer 20
-
$7,567 CAD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
648891c1-c419-4a43-b1f7-bc6f347ebb64 · Sep 26
$7,567 CAD
$5,418 USD
View
Price last confirmed 40 days ago
20 more retailers have this diamond
Prices start from $3,342 CADSave up to $3,901 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
1.00ct Round
$3,342 CAD