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1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2564026103

Certificate GIA 2564026103

Diamond specifications and retailer prices

From €2,304 EUR
As of November 6, 2026
Save €3,120 EUR (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,423 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564026103. Listed at 9 retailers as of November 5, 2026, with prices from €2,304 to €5,423, a €3,120 spread on the same certified stone. NZ Jewellers lists it at €5,423. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2564026103
Dimensions6.86 × 6.91 × 4.38 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.86 mm6.91 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564026103
Side View
Table 55.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.6%

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: €5,423 EUR|Low: €2,304 EUR|High: €5,663 EUR|Avg: €3,568 EUR|-4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8€2,304 EUR
Retailer 5€2,640 EUR
Retailer 9€2,801 EUR
Retailer 6€3,113 EUR
Retailer 2€3,197 EUR
Retailer 7€3,232 EUR
Retailer 3€3,543 EUR
Retailer 4€5,192 EUR
NZ Jewellers€5,423 EUR

43 data points across 9 retailers

9 retailers€2,304 EUR to €5,423 EUR

A
Cheapest Retailer
-
€2,304 EUR
A
Retailer 2
-
€2,640 EUR
View
A
Retailer 3
-
€2,801 EUR
View
A
Retailer 4
-
€3,113 EUR
View
A
Retailer 5
-
€3,197 EUR
View
A
Retailer 6
-
€3,232 EUR
View
B+
Retailer 7
-
€3,543 EUR
View
B
Retailer 8
-
€5,192 EUR
View
Most Expensive
B
NZ Jewellers
c6d91330-ee31-4eda-9055-1da821fc3b0d · Nov 5
€5,423 EUR
$6,055 USD
View
8 more retailers have this diamond
Prices start from €2,304 EURSave up to €3,120 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
€2,304 EUR