Round|Natural|GIA

1.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566059521

Certificate GIA 2566059521

Diamond specifications and retailer prices

From $4,440 CAD
As of November 5, 2026
Save $5,708 CAD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,148 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566059521. Listed at 24 retailers as of November 5, 2026, with prices from $4,440 to $10,148, a $5,708 spread on the same certified stone. NZ Jewellers lists it at $10,148. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566059521
Dimensions6.92 × 6.94 × 4.34 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Pinpoint
Top View
6.92 mm6.94 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566059521
Side View
Table 59.0%Crown 34°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 5
Current: $10,148 CAD|Low: $4,416 CAD|High: $10,148 CAD|Avg: $6,492 CAD
NZ Jewellers
Retailer 2
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Retailer 24
November 6, 2026
Retailer 21$4,440 CAD
Retailer 4$4,486 CAD
Retailer 13$4,681 CAD
Retailer 3$4,944 CAD
Retailer 15$5,124 CAD
Retailer 9$5,332 CAD
Retailer 5$5,538 CAD
Retailer 18$5,574 CAD
Retailer 14$5,663 CAD
Retailer 7$5,824 CAD
Retailer 8$5,824 CAD
Retailer 10$5,824 CAD
Retailer 23$5,866 CAD
Retailer 6$6,031 CAD
Retailer 11$6,169 CAD
Retailer 22$6,349 CAD
Retailer 20$6,632 CAD
Retailer 12$6,720 CAD
Retailer 17$7,050 CAD
Retailer 19$7,109 CAD
Retailer 16$8,455 CAD
Retailer 2$9,099 CAD
Retailer 24$9,713 CAD
NZ Jewellers$10,148 CAD

21 data points across 24 retailers

24 retailers$4,440 CAD to $10,148 CAD

A
Cheapest Retailer
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$4,440 CAD
A
Retailer 2
-
$4,486 CAD
View
A
Retailer 3
-
$4,681 CAD
View
A
Retailer 4
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$4,944 CAD
View
A
Retailer 5
-
$5,124 CAD
View
A
Retailer 6
-
$5,332 CAD
View
B+
Retailer 7
-
$5,538 CAD
View
B+
Retailer 8
-
$5,574 CAD
View
B+
Retailer 9
-
$5,663 CAD
View
B+
Retailer 10
-
$5,824 CAD
View
Retailer 11
-
$5,824 CAD
View
Price last confirmed 8 days ago
B+
Retailer 12
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$5,824 CAD
View
B+
Retailer 13
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$5,866 CAD
View
B+
Retailer 14
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$6,031 CAD
View
B+
Retailer 15
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$6,169 CAD
View
B+
Retailer 16
-
$6,349 CAD
View
Retailer 17
-
$6,610 CAD
View
Price last confirmed 28 days ago
B+
Retailer 18
-
$6,632 CAD
View
B
Retailer 19
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$6,720 CAD
View
B+
Retailer 20
-
$7,109 CAD
View
B
Retailer 21
-
$8,455 CAD
View
B
Retailer 22
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$9,099 CAD
View
B
Retailer 23
-
$9,713 CAD
View
Most Expensive
B
NZ Jewellers
e1485e1c-57db-4148-8f5a-2c5d60bd4497 · Nov 5
$10,148 CAD
$7,266 USD
View
23 more retailers have this diamond
Prices start from $4,440 CADSave up to $5,708 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
$4,440 CAD