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Round|Natural|GIA

1.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566059521

Certificate GIA 2566059521

Diamond specifications and retailer prices

From €2,847 EUR
As of November 5, 2026
Save €3,661 EUR (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €6,508 EUR 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 €2,847 to €6,508, a €3,661 spread on the same certified stone. NZ Jewellers lists it at €6,508. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €6,508 EUR|Low: €2,832 EUR|High: €6,508 EUR|Avg: €4,110 EUR
NZ Jewellers
Retailer 2
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Retailer 24
November 6, 2026
Retailer 23€2,847 EUR
Retailer 6€2,877 EUR
Retailer 19€3,002 EUR
Retailer 5€3,171 EUR
Retailer 16€3,286 EUR
Retailer 10€3,420 EUR
Retailer 7€3,551 EUR
Retailer 20€3,575 EUR
Retailer 15€3,632 EUR
Retailer 9€3,735 EUR
Retailer 11€3,735 EUR
Retailer 3€3,762 EUR
Retailer 8€3,867 EUR
Retailer 2€3,915 EUR
Retailer 12€3,956 EUR
Retailer 24€4,072 EUR
Retailer 22€4,253 EUR
Retailer 14€4,310 EUR
Retailer 17€4,521 EUR
Retailer 21€4,559 EUR
Retailer 13€5,676 EUR
Retailer 18€5,835 EUR
Retailer 4€6,229 EUR
NZ Jewellers€6,508 EUR

20 data points across 24 retailers

24 retailers€2,847 EUR to €6,508 EUR

A
Cheapest Retailer
-
€2,847 EUR
A
Retailer 2
-
€2,877 EUR
View
A
Retailer 3
-
€3,002 EUR
View
A
Retailer 4
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€3,171 EUR
View
A
Retailer 5
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€3,286 EUR
View
A
Retailer 6
-
€3,420 EUR
View
B+
Retailer 7
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€3,551 EUR
View
B+
Retailer 8
-
€3,575 EUR
View
B+
Retailer 9
-
€3,632 EUR
View
B+
Retailer 10
-
€3,735 EUR
View
Retailer 11
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€3,735 EUR
View
Price last confirmed 8 days ago
B+
Retailer 12
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€3,762 EUR
View
B+
Retailer 13
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€3,867 EUR
View
B+
Retailer 14
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€3,915 EUR
View
B+
Retailer 15
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€3,956 EUR
View
B+
Retailer 16
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€4,072 EUR
View
Retailer 17
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€4,239 EUR
View
Price last confirmed 28 days ago
B+
Retailer 18
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€4,253 EUR
View
B
Retailer 19
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€4,310 EUR
View
B+
Retailer 20
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€4,559 EUR
View
B
Retailer 21
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€5,676 EUR
View
B
Retailer 22
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€5,835 EUR
View
B
Retailer 23
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€6,229 EUR
View
Most Expensive
B
NZ Jewellers
e1485e1c-57db-4148-8f5a-2c5d60bd4497 · Nov 5
€6,508 EUR
$7,266 USD
View
23 more retailers have this diamond
Prices start from €2,847 EURSave up to €3,661 EUR

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
€2,847 EUR