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Round|Natural|GIA

1.20ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1555088566

Certificate GIA 1555088566

Diamond specifications and retailer prices

From €1,760 EUR
As of November 2, 2026
Save €2,583 EUR (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,342 EUR at NZ Jewellers · As of November 2, 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 GIA 1555088566. Listed at 6 retailers as of November 2, 2026, with prices from €1,760 to €4,342, a €2,583 spread on the same certified stone. NZ Jewellers lists it at €4,342. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555088566
Dimensions6.72 × 6.79 × 4.22 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle, Indented Natural
Top View
6.72 mm6.79 mm1.20 ctM / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555088566
Side View
Table 57.0%Crown 36°GirdlePavilion 40.8°CuletDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €4,342 EUR|Low: €1,760 EUR|High: €4,342 EUR|Avg: €2,359 EUR|+13.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3€1,760 EUR
Retailer 6€1,780 EUR
Retailer 7€1,797 EUR
Retailer 5€1,813 EUR
Retailer 4€1,863 EUR
Retailer 2€1,993 EUR
Retailer 9€2,583 EUR
Retailer 8€3,155 EUR
NZ Jewellers€4,342 EUR

31 data points across 9 retailers

6 retailers€1,760 EUR to €4,342 EUR

B+
Cheapest Retailer
-
€1,760 EUR
B+
Retailer 2
-
€1,780 EUR
View
B
Retailer 3
-
€1,813 EUR
View
B
Retailer 4
-
€1,863 EUR
View
B
Retailer 5
-
€1,993 EUR
View
Most Expensive
C
NZ Jewellers
098a6ff9-c6fb-4ece-b88b-436af5113d95 · Nov 2
€4,342 EUR
$4,874 USD
View
5 more retailers have this diamond
Prices start from €1,760 EURSave up to €2,583 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.

B+
1.20ct Round
€1,760 EUR