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1.30ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 648418616

Shape and cutting style on the report: Round brilliant

Certificate IGI 648418616

Diamond specifications and retailer prices

From €1,101 EUR
As of November 6, 2026
Save €2,651 EUR (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,752 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 648418616. Listed at 13 retailers as of November 5, 2026, with prices from €1,101 to €3,752, a €2,651 spread on the same certified stone. NZ Jewellers lists it at €3,752. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 648418616
Dimensions6.90 × 6.95 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.90 mm6.95 mm1.30 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 648418616
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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: €1,101 EUR|Low: €1,101 EUR|High: €1,883 EUR|Avg: €1,576 EUR|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1€1,101 EUR
Retailer 2€1,512 EUR
Retailer 5€1,516 EUR
Retailer 6€1,599 EUR
Retailer 3€1,874 EUR
Retailer 4€1,877 EUR

38 data points across 6 retailers

13 retailers€1,101 EUR to €3,752 EUR

A
Cheapest Retailer
-
€1,101 EUR
B+
Retailer 2
-
€1,401 EUR
View
A
Retailer 3
-
€1,512 EUR
View
A
Retailer 4
-
€1,516 EUR
View
Retailer 5
-
€1,538 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€1,538 EUR
View
B+
Retailer 7
-
€1,599 EUR
View
B+
Retailer 8
-
€1,609 EUR
View
B+
Retailer 9
-
€1,660 EUR
View
B+
Retailer 10
-
€1,775 EUR
View
B+
Retailer 11
-
€1,874 EUR
View
B+
Retailer 12
-
€1,877 EUR
View
Most Expensive
C
NZ Jewellers
e915a130-4a84-4954-aff5-80016a0959e4 · Nov 5
€3,752 EUR
$4,211 USD
View
12 more retailers have this diamond
Prices start from €1,101 EURSave up to €2,651 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
€1,101 EUR