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Heart|Natural|GIA

1.20ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 7442234987

Certificate GIA 7442234987

Diamond specifications and retailer prices

From €1,853 EUR
As of November 6, 2026
Save €1,688 EUR (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,541 EUR at MOH London · As of November 7, 2026
View at MOH London

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 7442234987. Listed at 11 retailers as of November 6, 2026, with prices from €1,853 to €3,541, a €1,688 spread on the same certified stone. MOH London lists it at €3,541. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7442234987
Dimensions6.25 × 5.75 × 3.96 mm
L/W Ratio1.09
Top View
6.25 mm5.75 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7442234987
Side View
Table 61.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €3,541 EUR|Low: €1,543 EUR|High: €3,638 EUR|Avg: €2,379 EUR|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 2€1,876 EUR
Retailer 7€1,990 EUR
Retailer 5€2,055 EUR
Retailer 8€2,056 EUR
Retailer 4€2,503 EUR
Retailer 3€2,523 EUR
Retailer 6€2,526 EUR
MOH London€3,541 EUR

46 data points across 8 retailers

11 retailers€1,853 EUR to €3,541 EUR

B+
Cheapest Retailer
-
€1,853 EUR
B+
Retailer 2
-
€1,876 EUR
View
Final sale: no returns
B+
Retailer 3
-
€1,990 EUR
View
B+
Retailer 4
-
€2,055 EUR
View
B
Retailer 5
-
€2,056 EUR
View
B
Retailer 6
-
€2,070 EUR
View
B
Retailer 7
-
€2,176 EUR
View
B
Retailer 8
-
€2,503 EUR
View
B
Retailer 9
-
€2,523 EUR
View
Retailer 10
-
€2,526 EUR
View
Price last confirmed 31 days ago
Most Expensive
MOH London
CFEA340F3 · Nov 7
€3,541 EUR
£3,113 GBP
View
10 more retailers have this diamond
Prices start from €1,853 EURSave up to €1,688 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
€1,853 EUR