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Heart|Natural|GIA

1.20ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 5231766973

Certificate GIA 5231766973

Diamond specifications and retailer prices

From €1,227 EUR
As of November 5, 2026
Save €1,771 EUR (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €2,998 EUR at NZ Jewellers · As of November 3, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231766973. Listed at 6 retailers as of November 3, 2026, with prices from €1,227 to €2,998, a €1,771 spread on the same certified stone. NZ Jewellers lists it at €2,998. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.91°
Pavilion angle41.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231766973
Dimensions6.35 × 7.26 × 4.50 mm
L/W Ratio1.14
Top View
6.35 mm7.26 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231766973
Side View
Table 59.0%Crown 38.91°GirdlePavilion 41.33°CuletDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €2,998 EUR|Low: €1,227 EUR|High: €3,046 EUR|Avg: €1,691 EUR|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4€1,227 EUR
Retailer 5€1,229 EUR
Retailer 2€1,264 EUR
Retailer 6€1,286 EUR
Retailer 7€1,500 EUR
Retailer 8€1,550 EUR
Retailer 9€1,737 EUR
Retailer 3€2,251 EUR
NZ Jewellers€2,998 EUR

27 data points across 9 retailers

6 retailers€1,227 EUR to €2,998 EUR

A
Cheapest Retailer
-
€1,227 EUR
A
Retailer 2
-
€1,229 EUR
View
A
Retailer 3
-
€1,264 EUR
View
A
Retailer 4
-
€1,286 EUR
View
B
Retailer 5
-
€2,251 EUR
View
Most Expensive
B
NZ Jewellers
6ef88574-af0f-459b-a711-ebfd9ecd2e29 · Nov 3
€2,998 EUR
$3,347 USD
View
5 more retailers have this diamond
Prices start from €1,227 EURSave up to €1,771 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 Heart
€1,227 EUR