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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6562059704

Certificate GIA 6562059704

Diamond specifications and retailer prices

From €1,730 EUR
As of November 6, 2026
Save €2,304 EUR (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,828 EUR at NZ Jewellers · As of October 3, 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 6562059704. Listed at 19 retailers as of November 4, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562059704
Dimensions6.76 × 6.79 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.76 mm6.79 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562059704
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.7%

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: €2,429 EUR|Low: €1,730 EUR|High: €4,093 EUR|Avg: €2,567 EUR|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8€1,730 EUR
Retailer 2€1,801 EUR
Retailer 6€2,023 EUR
Retailer 9€2,150 EUR
Retailer 3€2,414 EUR
Retailer 1€2,429 EUR
Retailer 5€2,818 EUR
Retailer 4€2,862 EUR
Retailer 7€4,034 EUR

33 data points across 9 retailers

19 retailers€1,730 EUR to €4,034 EUR

A
Cheapest Retailer
-
€1,730 EUR
A
Retailer 2
-
€1,801 EUR
View
B+
Retailer 3
-
€2,023 EUR
View
B+
Retailer 4
-
€2,150 EUR
View
B+
Retailer 5
-
€2,150 EUR
View
Retailer 6
-
€2,309 EUR
View
Price last confirmed 40 days ago
Retailer 7
-
€2,309 EUR
View
Price last confirmed 26 days ago
B+
Retailer 8
-
€2,310 EUR
View
B+
Retailer 9
-
€2,365 EUR
View
B+
Retailer 10
-
€2,414 EUR
View
Retailer 11
-
€2,416 EUR
View
Price last confirmed 39 days ago
B+
Retailer 12
-
€2,429 EUR
View
B
Retailer 13
-
€2,434 EUR
View
Retailer 14
-
€2,665 EUR
View
Price last confirmed 39 days ago
B
Retailer 15
-
€2,818 EUR
View
B
Retailer 16
-
€2,862 EUR
View
B
Retailer 17
-
€4,034 EUR
View
Retailer 18
-
€4,828 EUR
View
Price last confirmed 40 days ago
Most Expensive
NZ Jewellers
4b0438c8-5be5-4b9c-8c75-406a5265c703 · Oct 3
€4,828 EUR
$5,390 USD
View
Price last confirmed 34 days ago
18 more retailers have this diamond
Prices start from €1,730 EURSave up to €2,304 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
€1,730 EUR