Heart|Natural|GIA

1.20ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1523096178

Certificate GIA 1523096178

Diamond specifications and retailer prices

From €2,543 EUR
CA$3,962 CAD
As of November 2, 2026
12 retailers carry this diamond
Most expensive: €4,875 EUR at NZ Jewellers · As of October 24, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1523096178. Listed at 12 retailers as of November 2, 2026. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.37°
Pavilion angle38.71°
OriginNatural
Grading LabGIA
CertificateGIA 1523096178
Dimensions6.41 × 7.21 × 4.31 mm
L/W Ratio1.12
Culet sizeNone
Top View
6.41 mm7.21 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523096178
Side View
Table 59.0%Crown 38.37°Girdle: STK-VTKPavilion 38.71°Culet: NoneDepth 59.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: €4,875 EUR|Low: €1,625 EUR|High: €4,875 EUR|Avg: €2,759 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 26, 2026
Retailer 8€1,951 EUR
Retailer 14€2,080 EUR
Retailer 3€2,311 EUR
Retailer 13€2,311 EUR
Retailer 10€2,325 EUR
Retailer 2€2,449 EUR
Retailer 4€2,452 EUR
Retailer 11€2,452 EUR
Retailer 5€2,532 EUR
Retailer 12€2,543 EUR
Retailer 6€3,091 EUR
Retailer 9€3,389 EUR
Retailer 7€4,091 EUR
NZ Jewellers€4,875 EUR

32 data points across 14 retailers

12 retailers

Retailer 1
-
€2,080 EUR
$2,333 USD
Price last confirmed 7 days ago
Retailer 2
-
€2,311 EUR
$2,592 USD
View
Price last confirmed 12 days ago
Retailer 3
-
€2,311 EUR
$2,592 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€2,325 EUR
$2,608 USD
View
Price last confirmed 9 days ago
Retailer 5
-
€2,449 EUR
£2,163 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
€2,452 EUR
$2,750 USD
View
Price last confirmed 7 days ago
Retailer 7
-
€2,452 EUR
$2,750 USD
View
Price last confirmed 7 days ago
Retailer 8
-
€2,532 EUR
$2,840 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
€2,543 EUR
CA$3,962 CAD
View
Retailer 10
-
€3,389 EUR
$3,802 USD
View
Price last confirmed 9 days ago
Retailer 11
-
€4,091 EUR
£3,613 GBP
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
5f5739b3-e1c1-4141-afed-a6e930b66354 · Oct 24
€4,875 EUR
$5,468 USD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from €2,543 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
€2,543 EUR