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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6381212727

Certificate GIA 6381212727

Diamond specifications and retailer prices

From $5,092 CAD
As of November 4, 2026
Save $7,947 CAD (61%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $13,039 CAD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 top-tier cut grade and certified by GIA 6381212727. Listed at 25 retailers as of November 4, 2026, with prices from $5,092 to $13,039, a $7,947 spread on the same certified stone. Diamond Quarter lists it at $13,039. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6381212727
Dimensions6.40 × 6.37 × 3.96 mm
L/W Ratio1.00
Top View
6.40 mm6.37 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6381212727
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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 4
Current: $6,501 CAD|Low: $5,207 CAD|High: $10,949 CAD|Avg: $7,089 CAD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$5,223 CAD
Retailer 5$5,416 CAD
Retailer 8$5,680 CAD
Retailer 1$6,501 CAD
Retailer 4$6,646 CAD
Retailer 9$6,848 CAD
Retailer 3$7,197 CAD
Retailer 2$8,289 CAD
Retailer 6$10,790 CAD

36 data points across 9 retailers

25 retailers$5,092 CAD to $13,039 CAD

B+
Cheapest Retailer
-
$5,092 CAD
B+
Retailer 2
-
$5,219 CAD
View
B+
Retailer 3
-
$5,223 CAD
View
B+
Retailer 4
-
$5,416 CAD
View
B
Retailer 5
-
$5,680 CAD
View
Final sale: no returns
B+
Retailer 6
-
$5,831 CAD
View
B+
Retailer 7
-
$6,119 CAD
View
Retailer 8
-
$6,155 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$6,155 CAD
View
B+
Retailer 10
-
$6,155 CAD
View
B+
Retailer 11
-
$6,501 CAD
View
B+
Retailer 12
-
$6,514 CAD
View
B+
Retailer 13
-
$6,646 CAD
View
Retailer 14
-
$6,848 CAD
View
Price last confirmed 28 days ago
B
Retailer 15
-
$6,927 CAD
View
B
Retailer 16
-
$6,927 CAD
View
B
Retailer 17
-
$7,102 CAD
View
B
Retailer 18
-
$7,151 CAD
View
B
Retailer 19
-
$7,197 CAD
View
Retailer 20
-
$7,501 CAD
View
Price last confirmed 14 days ago
B
Retailer 21
-
$8,289 CAD
View
B
Retailer 22
-
$9,831 CAD
View
B
Retailer 23
-
$10,790 CAD
View
B
Retailer 24
-
$11,836 CAD
View
Most Expensive
B
Diamond Quarter
1.01SI1D63278FF2N · Nov 5
$13,039 CAD
£7,352 GBP
View
24 more retailers have this diamond
Prices start from $5,092 CADSave up to $7,947 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+
1.01ct Round
$5,092 CAD