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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7541878698

Certificate GIA 7541878698

Diamond specifications and retailer prices

From €1,651 EUR
As of November 6, 2026
Save €2,155 EUR (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,554 EUR at NZ Jewellers · As of September 26, 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 7541878698. Listed at 19 retailers as of November 4, 2026, with a 131% 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7541878698
Dimensions6.72 × 6.78 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Indented Natural, Needle
Top View
6.72 mm6.78 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7541878698
Side View
Table 59.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: €2,284 EUR|Low: €1,651 EUR|High: €3,861 EUR|Avg: €2,391 EUR|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9€1,651 EUR
Retailer 3€1,717 EUR
Retailer 6€1,927 EUR
Retailer 2€2,051 EUR
Retailer 10€2,064 EUR
Retailer 1€2,284 EUR
Retailer 4€2,298 EUR
Retailer 5€2,658 EUR
Retailer 7€2,701 EUR
Retailer 8€3,806 EUR

33 data points across 10 retailers

19 retailers€1,651 EUR to €3,806 EUR

A
Cheapest Retailer
-
€1,651 EUR
A
Retailer 2
-
€1,717 EUR
View
A
Retailer 3
-
€1,927 EUR
View
B+
Retailer 4
-
€2,051 EUR
View
B+
Retailer 5
-
€2,064 EUR
View
B+
Retailer 6
-
€2,064 EUR
View
Retailer 7
-
€2,178 EUR
View
Price last confirmed 40 days ago
Retailer 8
-
€2,178 EUR
View
Price last confirmed 26 days ago
Retailer 9
-
€2,178 EUR
View
Price last confirmed 30 days ago
B+
Retailer 10
-
€2,239 EUR
View
Retailer 11
-
€2,279 EUR
View
Price last confirmed 39 days ago
B+
Retailer 12
-
€2,284 EUR
View
B+
Retailer 13
-
€2,298 EUR
View
B+
Retailer 14
-
€2,303 EUR
View
Retailer 15
-
€2,513 EUR
View
Price last confirmed 39 days ago
B+
Retailer 16
-
€2,658 EUR
View
B+
Retailer 17
-
€2,701 EUR
View
B
Retailer 18
-
€3,806 EUR
View
Most Expensive
NZ Jewellers
d320849b-3ab1-40f7-8648-c88507991006 · Sep 26
€4,554 EUR
$5,084 USD
View
Price last confirmed 41 days ago
18 more retailers have this diamond
Prices start from €1,651 EURSave up to €2,155 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
€1,651 EUR