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Heart|Natural|GIA

1.20ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 2556719376

Certificate GIA 2556719376

Diamond specifications and retailer prices

From €2,294 EUR
HK$20,100 HKD
As of November 1, 2026
Save €2,898 EUR (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,192 EUR at NZ Jewellers · As of October 30, 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 J 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 2556719376. Listed at 23 retailers as of October 30, 2026, with prices from €2,294 to €5,192, a €2,898 spread on the same certified stone. NZ Jewellers lists it at €5,192. 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
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.38°
Pavilion angle38.46°
OriginNatural
Grading LabGIA
CertificateGIA 2556719376
Dimensions6.34 × 7.24 × 4.30 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.34 mm7.24 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2556719376
Side View
Table 61.0%Crown 39.38°Girdle: STK-VTKPavilion 38.46°Culet: NoneDepth 59.3%

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 1
Current: €2,307 EUR|Low: €2,294 EUR|High: €5,043 EUR|Avg: €3,099 EUR|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8€2,294 EUR
Retailer 1€2,307 EUR
Retailer 2€2,556 EUR
Retailer 11€2,607 EUR
Retailer 3€2,750 EUR
Retailer 9€2,845 EUR
Retailer 4€2,907 EUR
Retailer 5€3,114 EUR
Retailer 10€3,435 EUR
Retailer 7€3,663 EUR
Retailer 6€4,983 EUR

24 data points across 11 retailers

23 retailers€2,294 EUR to €5,192 EUR

B+
Cheapest Retailer
-
€2,294 EUR
HK$20,100 HKD
B+
Retailer 2
-
€2,307 EUR
₹246,440 INR
View
B
Retailer 3
-
€2,556 EUR
$2,867 USD
View
B+
Retailer 4
-
€2,607 EUR
SGD 3,952 SGD
View
B
Retailer 5
-
€2,645 EUR
$2,967 USD
View
B
Retailer 6
-
€2,750 EUR
$3,084 USD
View
Final sale: no returns
B
Retailer 7
-
€2,845 EUR
$3,191 USD
View
B
Retailer 8
-
€2,880 EUR
$3,230 USD
View
B
Retailer 9
-
€2,907 EUR
£2,567 GBP
View
B
Retailer 10
-
€2,980 EUR
$3,342 USD
View
B
Retailer 11
-
€2,980 EUR
$3,342 USD
View
B
Retailer 12
-
€3,095 EUR
$3,471 USD
View
B
Retailer 13
-
€3,108 EUR
$3,486 USD
View
B
Retailer 14
-
€3,114 EUR
£2,750 GBP
View
Retailer 15
-
€3,184 EUR
A$5,493 AUD
View
Price last confirmed 26 days ago
B
Retailer 16
-
€3,188 EUR
$3,576 USD
View
B
Retailer 17
-
€3,190 EUR
SGD 4,835 SGD
View
B
Retailer 18
-
€3,294 EUR
$3,695 USD
View
B
Retailer 19
-
€3,438 EUR
$3,856 USD
View
B
Retailer 20
-
€3,663 EUR
ZAR 66,370 ZAR
View
B
Retailer 21
-
€4,437 EUR
$4,976 USD
View
B
Retailer 22
-
€4,983 EUR
£4,401 GBP
View
Most Expensive
B
NZ Jewellers
64a0fccb-8343-41c4-9706-32672873e768 · Oct 30
€5,192 EUR
$5,823 USD
View
22 more retailers have this diamond
Prices start from €2,294 EURSave up to €2,898 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
€2,294 EUR