Heart|Natural|GIA

1.20ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 7442234987

Certificate GIA 7442234987

Diamond specifications and retailer prices

From €1,845 EUR
$2,069 USD
As of October 30, 2026
Save €1,753 EUR (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,597 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €1,845 to €3,597, a €1,753 spread on the same certified stone. MOH London lists it at €3,597. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €3,597 EUR|Low: €1,536 EUR|High: €3,621 EUR|Avg: €2,360 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5€1,884 EUR
Retailer 7€1,981 EUR
Retailer 8€2,046 EUR
Retailer 4€2,066 EUR
Retailer 2€2,510 EUR
Retailer 6€2,514 EUR
Retailer 3€2,550 EUR
MOH London€3,597 EUR

42 data points across 8 retailers

11 retailers€1,845 EUR to €3,597 EUR

B+
Cheapest Retailer
-
€1,845 EUR
$2,069 USD
B+
Retailer 2
-
€1,884 EUR
$2,113 USD
View
Final sale: no returns
B+
Retailer 3
-
€1,981 EUR
$2,222 USD
View
B
Retailer 4
-
€2,046 EUR
$2,295 USD
View
B
Retailer 5
-
€2,060 EUR
$2,311 USD
View
B
Retailer 6
-
€2,066 EUR
£1,825 GBP
View
B
Retailer 7
-
€2,166 EUR
$2,430 USD
View
B
Retailer 8
-
€2,510 EUR
ZAR 45,484 ZAR
View
Retailer 9
-
€2,514 EUR
A$4,339 AUD
View
Price last confirmed 26 days ago
B
Retailer 10
-
€2,550 EUR
View
Most Expensive
B
MOH London
CFEA340F3 · Oct 29
€3,597 EUR
£3,177 GBP
View
10 more retailers have this diamond
Prices start from €1,845 EURSave up to €1,753 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