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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2507458479

Certificate GIA 2507458479

Diamond specifications and retailer prices

From €2,863 EUR
As of November 6, 2026
Save €3,605 EUR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €6,468 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507458479. Listed at 18 retailers as of November 5, 2026, with prices from €2,863 to €6,468, a €3,605 spread on the same certified stone. NZ Jewellers lists it at €6,468. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2507458479
Dimensions6.96 × 6.92 × 4.33 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.96 mm6.92 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507458479
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.6%

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: €6,468 EUR|Low: €2,690 EUR|High: €6,468 EUR|Avg: €3,857 EUR
NZ Jewellers
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
November 6, 2026
Retailer 3€2,863 EUR
Retailer 12€2,901 EUR
Retailer 11€2,985 EUR
Retailer 4€3,104 EUR
Retailer 13€3,361 EUR
Retailer 5€3,363 EUR
Retailer 6€3,363 EUR
Retailer 2€3,459 EUR
Retailer 9€3,739 EUR
Retailer 7€3,843 EUR
Retailer 8€3,927 EUR
Retailer 14€4,201 EUR
Retailer 10€6,192 EUR
NZ Jewellers€6,468 EUR

43 data points across 14 retailers

18 retailers€2,863 EUR to €6,468 EUR

A
Cheapest Retailer
-
€2,863 EUR
A
Retailer 2
-
€2,901 EUR
View
A
Retailer 3
-
€2,985 EUR
View
A
Retailer 4
-
€3,084 EUR
View
A
Retailer 5
-
€3,104 EUR
View
Final sale: no returns
B+
Retailer 6
-
€3,361 EUR
View
Retailer 7
-
€3,363 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€3,363 EUR
View
B+
Retailer 9
-
€3,459 EUR
View
B+
Retailer 10
-
€3,739 EUR
View
B+
Retailer 11
-
€3,762 EUR
View
B+
Retailer 12
-
€3,762 EUR
View
B+
Retailer 13
-
€3,843 EUR
View
B+
Retailer 14
-
€3,887 EUR
View
B+
Retailer 15
-
€3,927 EUR
View
Retailer 16
-
€4,201 EUR
View
Price last confirmed 14 days ago
B
Retailer 17
-
€6,192 EUR
View
Most Expensive
B
NZ Jewellers
58c1d35b-c7d0-4655-956d-9e93b4bf05cb · Nov 5
€6,468 EUR
$7,221 USD
View
17 more retailers have this diamond
Prices start from €2,863 EURSave up to €3,605 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
€2,863 EUR