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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1549993420

Certificate GIA 1549993420

Diamond specifications and retailer prices

From €1,627 EUR
As of November 6, 2026
Save €2,115 EUR (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,524 EUR at NZ Jewellers · As of September 28, 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 1549993420. Listed at 21 retailers as of November 4, 2026, with a 130% 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 angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549993420
Dimensions6.73 × 6.77 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Cloud, Needle
Top View
6.73 mm6.77 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549993420
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°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: €2,253 EUR|Low: €1,627 EUR|High: €3,793 EUR|Avg: €2,332 EUR|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 2€1,627 EUR
Retailer 4€1,689 EUR
Retailer 9€1,896 EUR
Retailer 3€2,021 EUR
Retailer 5€2,049 EUR
Retailer 1€2,253 EUR
Retailer 6€2,261 EUR
Retailer 7€2,457 EUR
Retailer 8€2,614 EUR
Retailer 10€2,657 EUR
Retailer 11€3,742 EUR

27 data points across 11 retailers

21 retailers€1,627 EUR to €3,742 EUR

A
Cheapest Retailer
-
€1,627 EUR
A
Retailer 2
-
€1,689 EUR
View
A
Retailer 3
-
€1,896 EUR
View
B+
Retailer 4
-
€2,021 EUR
View
B+
Retailer 5
-
€2,030 EUR
View
B+
Retailer 6
-
€2,033 EUR
View
B+
Retailer 7
-
€2,049 EUR
View
Retailer 8
-
€2,142 EUR
View
Price last confirmed 26 days ago
Retailer 9
-
€2,142 EUR
View
Price last confirmed 28 days ago
Retailer 10
-
€2,164 EUR
View
Price last confirmed 40 days ago
B+
Retailer 11
-
€2,253 EUR
View
B+
Retailer 12
-
€2,261 EUR
View
Retailer 13
-
€2,264 EUR
View
Price last confirmed 39 days ago
B+
Retailer 14
-
€2,267 EUR
View
B+
Retailer 15
-
€2,457 EUR
View
Retailer 16
-
€2,497 EUR
View
Price last confirmed 39 days ago
B
Retailer 17
-
€2,614 EUR
View
B+
Retailer 18
-
€2,657 EUR
View
B
Retailer 19
-
€3,742 EUR
View
Retailer 20
-
€4,478 EUR
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
161a6c3e-d155-4bbf-a6ce-94c9247895ef · Sep 28
€4,524 EUR
$5,051 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from €1,627 EURSave up to €2,115 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