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Round|Natural|GIA

1.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2507300122

Certificate GIA 2507300122

Diamond specifications and retailer prices

From $3,616 CAD
As of November 6, 2026
Save $5,821 CAD (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,437 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507300122. Listed at 24 retailers as of November 5, 2026, with prices from $3,616 to $9,437, a $5,821 spread on the same certified stone. Diamond Quarter lists it at $9,437. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2507300122
Dimensions6.41 × 6.39 × 4.03 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.41 mm6.39 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507300122
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 63.0%

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 6
Current: $3,616 CAD|Low: $3,592 CAD|High: $8,454 CAD|Avg: $5,226 CAD|-4.8%
Retailer 1
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
November 6, 2026
Retailer 1$3,616 CAD
Retailer 19$3,628 CAD
Retailer 11$4,142 CAD
Retailer 5$4,307 CAD
Retailer 18$4,371 CAD
Retailer 3$4,396 CAD
Retailer 10$4,477 CAD
Retailer 6$4,672 CAD
Retailer 4$4,852 CAD
Retailer 9$4,852 CAD
Retailer 14$4,959 CAD
Retailer 12$5,036 CAD
Retailer 7$5,039 CAD
Retailer 8$5,053 CAD
Retailer 13$5,281 CAD
Retailer 16$5,296 CAD
Retailer 2$5,598 CAD
Retailer 15$5,922 CAD
Retailer 17$8,091 CAD
Retailer 20$8,454 CAD

30 data points across 20 retailers

24 retailers$3,616 CAD to $9,437 CAD

A
Cheapest Retailer
-
$3,616 CAD
A
Retailer 2
-
$3,628 CAD
View
B+
Retailer 3
-
$4,142 CAD
View
B+
Retailer 4
-
$4,307 CAD
View
B+
Retailer 5
-
$4,371 CAD
View
B+
Retailer 6
-
$4,396 CAD
View
B+
Retailer 7
-
$4,477 CAD
View
Final sale: no returns
B+
Retailer 8
-
$4,672 CAD
View
B+
Retailer 9
-
$4,852 CAD
View
Retailer 10
-
$4,852 CAD
View
Price last confirmed 8 days ago
Retailer 11
-
$4,930 CAD
View
Price last confirmed 43 days ago
B+
Retailer 12
-
$4,959 CAD
View
B+
Retailer 13
-
$5,036 CAD
View
B
Retailer 14
-
$5,039 CAD
View
B
Retailer 15
-
$5,053 CAD
View
Retailer 16
-
$5,281 CAD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$5,296 CAD
View
B
Retailer 18
-
$5,598 CAD
View
Retailer 19
-
$5,690 CAD
View
Price last confirmed 45 days ago
B+
Retailer 20
-
$5,922 CAD
View
B
Retailer 21
-
$8,091 CAD
View
B
Retailer 22
-
$8,454 CAD
View
Retailer 23
-
$8,590 CAD
View
Price last confirmed 42 days ago
Most Expensive
B
Diamond Quarter
1.01SI1G252251BDN · Nov 5
$9,437 CAD
£5,320 GBP
View
23 more retailers have this diamond
Prices start from $3,616 CADSave up to $5,821 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
$3,616 CAD