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Heart|Natural|GIA

1.03ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 7451351746

Certificate GIA 7451351746

Diamond specifications and retailer prices

From €1,828 EUR
As of November 6, 2026
Save €2,248 EUR (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,076 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7451351746. Listed at 12 retailers as of November 2, 2026, with prices from €1,828 to €4,076, a €2,248 spread on the same certified stone. MOH London lists it at €4,076. 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

1.03
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle37.1°
OriginNatural
Grading LabGIA
CertificateGIA 7451351746
Dimensions5.91 × 5.60 × 3.88 mm
L/W Ratio1.06
Top View
5.91 mm5.60 mm1.03 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7451351746
Side View
Table 65.0%Crown 33.9°Girdle: STK-VTKPavilion 37.1°Culet: NoneDepth 69.2%

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 6
Current: €4,076 EUR|Low: €1,809 EUR|High: €4,125 EUR|Avg: €2,386 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8€1,828 EUR
Retailer 2€1,903 EUR
Retailer 6€1,945 EUR
Retailer 5€1,948 EUR
Retailer 10€1,986 EUR
Retailer 9€2,051 EUR
Retailer 7€2,107 EUR
Retailer 4€2,461 EUR
Retailer 3€2,888 EUR
MOH London€4,076 EUR

44 data points across 10 retailers

12 retailers€1,828 EUR to €4,076 EUR

B+
Cheapest Retailer
-
€1,828 EUR
B+
Retailer 2
-
€1,903 EUR
View
B+
Retailer 3
-
€1,903 EUR
View
B+
Retailer 4
-
€1,945 EUR
View
Final sale: no returns
Retailer 5
-
€1,948 EUR
View
Price last confirmed 12 days ago
B+
Retailer 6
-
€1,986 EUR
View
B+
Retailer 7
-
€2,051 EUR
View
Retailer 8
-
€2,107 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€2,301 EUR
View
B+
Retailer 10
-
€2,461 EUR
View
B
Retailer 11
-
€2,888 EUR
View
Most Expensive
B
MOH London
03574CBE7 · Nov 2
€4,076 EUR
£3,583 GBP
View
11 more retailers have this diamond
Prices start from €1,828 EURSave up to €2,248 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+
1.03ct Heart
€1,828 EUR