Heart|Natural|GIA

1.20ct J SI1 Heart Natural Diamond

VG • J/SI1 • GIA 3555071739

Certificate GIA 3555071739

Diamond specifications and retailer prices

From €1,845 EUR
$2,069 USD
As of October 30, 2026
Save €2,254 EUR (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,885 EUR at NZ Jewellers · As of October 21, 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 3555071739. Listed at 14 retailers as of October 26, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
J
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555071739
Dimensions7.32 × 6.12 × 4.38 mm
L/W Ratio1.20
Culet sizeNone
Key to symbols
Twinning Wisp, Indented Natural
Top View
7.32 mm6.12 mm1.20 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555071739
Side View
Table 57.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 59.9%

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: Oct 30
Current: €4,885 EUR|Low: €1,845 EUR|High: €4,885 EUR|Avg: €2,829 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10€1,845 EUR
Retailer 4€2,040 EUR
Retailer 8€2,117 EUR
Retailer 9€2,215 EUR
Retailer 5€2,308 EUR
Retailer 7€2,443 EUR
Retailer 2€2,900 EUR
Retailer 3€2,945 EUR
Retailer 6€4,099 EUR
NZ Jewellers€4,885 EUR

41 data points across 10 retailers

14 retailers€1,845 EUR to €4,099 EUR

B+
Cheapest Retailer
-
€1,845 EUR
$2,069 USD
B+
Retailer 2
-
€2,040 EUR
$2,288 USD
View
Retailer 3
-
€2,117 EUR
$2,374 USD
View
Price last confirmed 11 days ago
Retailer 4
-
€2,215 EUR
$2,484 USD
View
Price last confirmed 11 days ago
B
Retailer 5
-
€2,247 EUR
$2,520 USD
View
B+
Retailer 6
-
€2,308 EUR
£2,038 GBP
View
Retailer 7
-
€2,443 EUR
$2,740 USD
View
Price last confirmed 10 days ago
B
Retailer 8
-
€2,461 EUR
$2,760 USD
View
B
Retailer 9
-
€2,461 EUR
$2,760 USD
View
B
Retailer 10
-
€2,541 EUR
$2,850 USD
View
B
Retailer 11
-
€2,900 EUR
ZAR 52,543 ZAR
View
B
Retailer 12
-
€2,945 EUR
View
B
Retailer 13
-
€4,099 EUR
£3,620 GBP
View
Most Expensive
NZ Jewellers
df2d14e0-08df-4e8d-a5d8-0c24320e995a · Oct 21
€4,885 EUR
$5,479 USD
View
Price last confirmed 13 days ago
13 more retailers have this diamond
Prices start from €1,845 EURSave up to €2,254 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
€1,845 EUR