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1.20ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 5506407122

Certificate GIA 5506407122

Diamond specifications and retailer prices

From €1,123 EUR
As of November 4, 2026
Save €358 EUR (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,481 EUR at GemTrove · As of November 6, 2026
View at GemTrove

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5506407122. Listed at 2 retailers as of November 4, 2026, with prices from €1,123 to €1,481, a €358 spread on the same certified stone. GemTrove lists it at €1,481. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5506407122
Dimensions6.74 × 6.68 × 4.21 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather, Indented Natural, Natural
Top View
6.74 mm6.68 mm1.20 ctM / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5506407122
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: €1,481 EUR|Low: €1,123 EUR|High: €2,800 EUR|Avg: €1,811 EUR
GemTrove
Retailer 2
Retailer 3
October 17, 2026
Retailer 2€1,123 EUR
GemTrove€1,481 EUR
Retailer 3€2,800 EUR

2 data points across 3 retailers

2 retailers€1,123 EUR to €1,481 EUR

A
Cheapest Retailer
-
€1,123 EUR
Most Expensive
B+
GemTrove
GT-N-01364264-98 · Nov 6
€1,481 EUR
A$2,558 AUD
View
1 more retailer has this diamond
Prices start from €1,123 EURSave up to €358 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
€1,123 EUR