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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6565467161

Certificate GIA 6565467161

Diamond specifications and retailer prices

From €1,627 EUR
As of November 6, 2026
Save €2,897 EUR (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €4,524 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 top-tier cut grade and certified by GIA 6565467161. Listed at 20 retailers as of November 5, 2026, with prices from €1,627 to €4,524, a €2,897 spread on the same certified stone. NZ Jewellers lists it at €4,524. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6565467161
Dimensions6.78 × 6.83 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cloud, Cavity, Needle, Natural
Top View
6.78 mm6.83 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565467161
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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: €4,524 EUR|Low: €1,627 EUR|High: €4,524 EUR|Avg: €2,456 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
Retailer 15
November 7, 2026
Retailer 14€1,627 EUR
Retailer 9€1,689 EUR
Retailer 12€1,896 EUR
Retailer 6€1,979 EUR
Retailer 7€2,033 EUR
Retailer 10€2,071 EUR
Retailer 4€2,164 EUR
Retailer 15€2,164 EUR
Retailer 3€2,264 EUR
Retailer 2€2,276 EUR
Retailer 5€2,497 EUR
Retailer 11€2,641 EUR
Retailer 8€2,697 EUR
Retailer 13€3,790 EUR
NZ Jewellers€4,524 EUR

25 data points across 15 retailers

20 retailers€1,627 EUR to €4,524 EUR

A
Cheapest Retailer
-
€1,627 EUR
A
Retailer 2
-
€1,689 EUR
View
A
Retailer 3
-
€1,896 EUR
View
B+
Retailer 4
-
€1,979 EUR
View
B+
Retailer 5
-
€2,030 EUR
View
B+
Retailer 6
-
€2,033 EUR
View
B+
Retailer 7
-
€2,039 EUR
View
B+
Retailer 8
-
€2,071 EUR
View
B+
Retailer 9
-
€2,164 EUR
View
Retailer 10
-
€2,164 EUR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€2,230 EUR
View
B+
Retailer 12
-
€2,261 EUR
View
B+
Retailer 13
-
€2,264 EUR
View
B+
Retailer 14
-
€2,276 EUR
View
B+
Retailer 15
-
€2,289 EUR
View
B
Retailer 16
-
€2,497 EUR
View
B
Retailer 17
-
€2,641 EUR
View
B+
Retailer 18
-
€2,697 EUR
View
B
Retailer 19
-
€3,790 EUR
View
Most Expensive
B
NZ Jewellers
58ab7d78-f88a-4570-bb92-c69ea9dece91 · Nov 5
€4,524 EUR
$5,051 USD
View
19 more retailers have this diamond
Prices start from €1,627 EURSave up to €2,897 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
€1,627 EUR