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Round|Natural|GIA

1.01ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1543277458

Certificate GIA 1543277458

Diamond specifications and retailer prices

From $3,431 CAD
As of November 4, 2026
Save $4,106 CAD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,854 CAD at NZ Jewellers · As of September 28, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543277458. Listed at 19 retailers as of November 2, 2026, with a 120% 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

1.01
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1543277458
Dimensions6.48 × 6.45 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.48 mm6.45 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543277458
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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: $4,313 CAD|Low: $3,431 CAD|High: $7,618 CAD|Avg: $5,045 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,431 CAD
Retailer 5$3,573 CAD
Retailer 2$4,109 CAD
Retailer 6$4,303 CAD
Retailer 1$4,313 CAD
Retailer 4$4,635 CAD
Retailer 3$4,774 CAD
Retailer 7$5,243 CAD
Retailer 10$7,458 CAD
Retailer 8$7,537 CAD

27 data points across 10 retailers

19 retailers$3,431 CAD to $7,537 CAD

A
Cheapest Retailer
-
$3,431 CAD
A
Retailer 2
-
$3,573 CAD
View
A
Retailer 3
-
$4,109 CAD
View
A
Retailer 4
-
$4,159 CAD
View
Final sale: no returns
A
Retailer 5
-
$4,212 CAD
View
A
Retailer 6
-
$4,303 CAD
View
A
Retailer 7
-
$4,313 CAD
View
Retailer 8
-
$4,508 CAD
View
Price last confirmed 25 days ago
Retailer 9
-
$4,508 CAD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$4,553 CAD
View
B+
Retailer 11
-
$4,635 CAD
View
Retailer 12
-
$4,681 CAD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$4,708 CAD
View
B+
Retailer 14
-
$4,774 CAD
View
Retailer 15
-
$5,201 CAD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$5,243 CAD
View
Retailer 17
-
$7,458 CAD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$7,537 CAD
View
Most Expensive
NZ Jewellers
228c5e72-83c5-4aa8-9d78-3df618f1de80 · Sep 28
$7,854 CAD
$5,624 USD
View
Price last confirmed 39 days ago
18 more retailers have this diamond
Prices start from $3,431 CADSave up to $4,106 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
$3,431 CAD