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Round|Natural|GIA

1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1558372388

Certificate GIA 1558372388

Diamond specifications and retailer prices

From €1,699 EUR
As of November 4, 2026
Save €2,966 EUR (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,665 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558372388. Listed at 15 retailers as of November 4, 2026, with prices from €1,699 to €4,665, a €2,966 spread on the same certified stone. NZ Jewellers lists it at €4,665. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1558372388
Dimensions6.92 × 6.95 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.92 mm6.95 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558372388
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: €4,665 EUR|Low: €1,654 EUR|High: €4,691 EUR|Avg: €2,310 EUR|-0.6%
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
Retailer 15
November 6, 2026
Retailer 10€1,699 EUR
Retailer 11€1,764 EUR
Retailer 5€1,816 EUR
Retailer 14€1,826 EUR
Retailer 13€1,866 EUR
Retailer 15€1,869 EUR
Retailer 6€1,946 EUR
Retailer 7€1,989 EUR
Retailer 3€2,022 EUR
Retailer 9€2,115 EUR
Retailer 12€2,333 EUR
Retailer 2€2,347 EUR
Retailer 8€2,602 EUR
Retailer 4€3,844 EUR
NZ Jewellers€4,665 EUR

31 data points across 15 retailers

15 retailers€1,699 EUR to €4,665 EUR

A
Cheapest Retailer
-
€1,699 EUR
A
Retailer 2
-
€1,764 EUR
View
A
Retailer 3
-
€1,816 EUR
View
A
Retailer 4
-
€1,826 EUR
View
A
Retailer 5
-
€1,866 EUR
View
Final sale: no returns
A
Retailer 6
-
€1,869 EUR
View
A
Retailer 7
-
€1,946 EUR
View
Retailer 8
-
€1,989 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
€2,022 EUR
View
A
Retailer 10
-
€2,115 EUR
View
B+
Retailer 11
-
€2,333 EUR
View
B+
Retailer 12
-
€2,347 EUR
View
B+
Retailer 13
-
€2,602 EUR
View
B
Retailer 14
-
€3,844 EUR
View
Most Expensive
B
NZ Jewellers
eb213151-6507-4408-8adc-17db97831ab7 · Nov 5
€4,665 EUR
$5,236 USD
View
14 more retailers have this diamond
Prices start from €1,699 EURSave up to €2,966 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
€1,699 EUR