Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6545016555

Certificate GIA 6545016555

Diamond specifications and retailer prices

From $4,915 CAD
As of November 4, 2026
Save $5,825 CAD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,740 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545016555. Listed at 20 retailers as of November 4, 2026, with prices from $4,915 to $10,740, a $5,825 spread on the same certified stone. NZ Jewellers lists it at $10,740. 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

1.30
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
OriginNatural
Grading LabGIA
CertificateGIA 6545016555
Dimensions7.04 × 7.01 × 4.32 mm
L/W Ratio1.00
Star length50%
Top View
7.04 mm7.01 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545016555
Side View
Table 59.0%Crown 32.5°Girdle: ThickPavilionCulet: NoneDepth 61.4%

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: $5,899 CAD|Low: $4,915 CAD|High: $9,935 CAD|Avg: $6,547 CAD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$4,915 CAD
Retailer 6$5,007 CAD
Retailer 1$5,899 CAD
Retailer 2$6,205 CAD
Retailer 7$6,575 CAD
Retailer 4$6,931 CAD
Retailer 3$7,521 CAD
Retailer 5$9,818 CAD

37 data points across 8 retailers

20 retailers$4,915 CAD to $10,740 CAD

A
Cheapest Retailer
-
$4,915 CAD
A
Retailer 2
-
$5,007 CAD
View
A
Retailer 3
-
$5,107 CAD
View
B+
Retailer 4
-
$5,328 CAD
View
B+
Retailer 5
-
$5,585 CAD
View
Retailer 6
-
$5,585 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,585 CAD
View
B+
Retailer 8
-
$5,899 CAD
View
B+
Retailer 9
-
$5,940 CAD
View
B+
Retailer 10
-
$6,205 CAD
View
B+
Retailer 11
-
$6,299 CAD
View
B+
Retailer 12
-
$6,299 CAD
View
B+
Retailer 13
-
$6,444 CAD
View
B+
Retailer 14
-
$6,508 CAD
View
Retailer 15
-
$6,575 CAD
View
Price last confirmed 28 days ago
B
Retailer 16
-
$6,931 CAD
View
Retailer 17
-
$6,975 CAD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$7,521 CAD
View
B
Retailer 19
-
$9,818 CAD
View
Most Expensive
B
NZ Jewellers
000d3fba-2572-4293-a4fc-6348af70821a · Nov 5
$10,740 CAD
$7,690 USD
View
19 more retailers have this diamond
Prices start from $4,915 CADSave up to $5,825 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
1.30ct Round
$4,915 CAD