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Round|Natural|IGI

1.20ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 425073127

Shape and cutting style on the report: Round brilliant

Certificate IGI 425073127

Diamond specifications and retailer prices

From €773 EUR
As of November 6, 2026
Save €1,635 EUR (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,408 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 425073127. Listed at 14 retailers as of November 5, 2026, with prices from €773 to €2,408, a €1,635 spread on the same certified stone. NZ Jewellers lists it at €2,408. 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

1.20
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 425073127
Dimensions6.76 × 6.80 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.76 mm6.80 mm1.20 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 425073127
Side View
Table 54.5%Crown 35.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.8%

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: €2,408 EUR|Low: €773 EUR|High: €2,408 EUR|Avg: €1,182 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 2€773 EUR
Retailer 3€945 EUR
Retailer 7€970 EUR
Retailer 5€987 EUR
Retailer 12€987 EUR
Retailer 6€1,025 EUR
Retailer 4€1,107 EUR
Retailer 13€1,109 EUR
Retailer 11€1,140 EUR
Retailer 10€1,147 EUR
Retailer 9€1,205 EUR
Retailer 8€1,341 EUR
Retailer 14€1,479 EUR
NZ Jewellers€2,408 EUR

38 data points across 14 retailers

14 retailers€773 EUR to €2,408 EUR

A
Cheapest Retailer
-
€773 EUR
B+
Retailer 2
-
€945 EUR
View
A
Retailer 3
-
€970 EUR
View
Retailer 4
-
€987 EUR
View
Price last confirmed 12 days ago
B+
Retailer 5
-
€987 EUR
View
B+
Retailer 6
-
€1,025 EUR
View
B+
Retailer 7
-
€1,107 EUR
View
B+
Retailer 8
-
€1,109 EUR
View
B+
Retailer 9
-
€1,140 EUR
View
B+
Retailer 10
-
€1,147 EUR
View
B+
Retailer 11
-
€1,205 EUR
View
B+
Retailer 12
-
€1,341 EUR
View
B+
Retailer 13
-
€1,479 EUR
View
Most Expensive
B
NZ Jewellers
8721241d-33f3-4f5b-921a-9a0e1ce9782c · Nov 5
€2,408 EUR
$2,703 USD
View
13 more retailers have this diamond
Prices start from €773 EURSave up to €1,635 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
1.20ct Round
€773 EUR