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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2537841477

Certificate GIA 2537841477

Diamond specifications and retailer prices

From €1,421 EUR
As of November 6, 2026
Save €2,640 EUR (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,062 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2537841477. Listed at 17 retailers as of November 5, 2026, with prices from €1,421 to €4,062, a €2,640 spread on the same certified stone. NZ Jewellers lists it at €4,062. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2537841477
Dimensions6.65 × 6.56 × 4.20 mm
L/W Ratio1.01
Top View
6.65 mm6.56 mm1.20 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537841477
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.5%

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: €1,910 EUR|Low: €1,410 EUR|High: €3,444 EUR|Avg: €2,116 EUR|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 11€1,421 EUR
Retailer 12€1,646 EUR
Retailer 8€1,787 EUR
Retailer 2€1,892 EUR
Retailer 10€1,899 EUR
Retailer 1€1,910 EUR
Retailer 4€1,943 EUR
Retailer 3€2,032 EUR
Retailer 6€2,229 EUR
Retailer 7€2,371 EUR
Retailer 5€2,408 EUR
Retailer 9€3,394 EUR

45 data points across 12 retailers

17 retailers€1,421 EUR to €4,062 EUR

A
Cheapest Retailer
-
€1,421 EUR
B+
Retailer 2
-
€1,646 EUR
View
B+
Retailer 3
-
€1,755 EUR
View
A
Retailer 4
-
€1,787 EUR
View
B+
Retailer 5
-
€1,899 EUR
View
B+
Retailer 6
-
€1,910 EUR
View
Retailer 7
-
€1,943 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€1,972 EUR
View
B+
Retailer 9
-
€2,032 EUR
View
B+
Retailer 10
-
€2,058 EUR
View
B+
Retailer 11
-
€2,229 EUR
View
B
Retailer 12
-
€2,242 EUR
View
B
Retailer 13
-
€2,371 EUR
View
B
Retailer 14
-
€2,408 EUR
View
B
Retailer 15
-
€2,737 EUR
View
B
Retailer 16
-
€3,394 EUR
View
Most Expensive
C
NZ Jewellers
746c22da-335a-403c-ba16-b3ff5194fb2a · Nov 5
€4,062 EUR
$4,535 USD
View
16 more retailers have this diamond
Prices start from €1,421 EURSave up to €2,640 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
€1,421 EUR