Heart|Natural|GIA

1.20ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2498419657

Certificate GIA 2498419657

Diamond specifications and retailer prices

From €1,741 EUR
As of November 6, 2026
Save €2,349 EUR (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,090 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2498419657. Listed at 8 retailers as of November 5, 2026, with prices from €1,741 to €4,090, a €2,349 spread on the same certified stone. NZ Jewellers lists it at €4,090. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2498419657
Dimensions6.73 × 7.21 × 4.09 mm
L/W Ratio1.07
Top View
6.73 mm7.21 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2498419657
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,090 EUR|Low: €1,967 EUR|High: €4,090 EUR|Avg: €2,831 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5€1,967 EUR
Retailer 3€2,146 EUR
Retailer 2€2,428 EUR
Retailer 6€2,837 EUR
Retailer 4€3,418 EUR
NZ Jewellers€4,090 EUR

44 data points across 6 retailers

8 retailers€1,741 EUR to €4,090 EUR

B+
Cheapest Retailer
-
€1,741 EUR
B+
Retailer 2
-
€1,935 EUR
View
B+
Retailer 3
-
€1,967 EUR
View
B+
Retailer 4
-
€2,146 EUR
View
B+
Retailer 5
-
€2,428 EUR
View
B
Retailer 6
-
€2,837 EUR
View
B
Retailer 7
-
€3,418 EUR
View
Most Expensive
B
NZ Jewellers
42e04ff4-d731-41b3-a91f-50d176a163f2 · Nov 5
€4,090 EUR
$4,567 USD
View
7 more retailers have this diamond
Prices start from €1,741 EURSave up to €2,349 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.

B+
1.20ct Heart
€1,741 EUR