Heart|Natural|GIA

1.03ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 7451351746

Certificate GIA 7451351746

Diamond specifications and retailer prices

From $2,041 USD
As of November 6, 2026
Save $2,509 USD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,550 USD 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 $2,041 to $4,550, a $2,509 spread on the same certified stone. MOH London lists it at $4,550. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,550 USD|Low: $2,020 USD|High: $4,605 USD|Avg: $2,664 USD
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$2,041 USD
Retailer 2$2,125 USD
Retailer 6$2,172 USD
Retailer 5$2,175 USD
Retailer 10$2,217 USD
Retailer 9$2,290 USD
Retailer 7$2,353 USD
Retailer 4$2,748 USD
Retailer 3$3,224 USD
MOH London$4,550 USD

44 data points across 10 retailers

12 retailers$2,041 USD to $4,550 USD

B+
Cheapest Retailer
-
$2,041 USD
B+
Retailer 2
-
$2,125 USD
View
B+
Retailer 3
-
$2,125 USD
View
B+
Retailer 4
-
$2,172 USD
View
Final sale: no returns
Retailer 5
-
$2,175 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$2,217 USD
View
B+
Retailer 7
-
$2,290 USD
View
Retailer 8
-
$2,353 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,569 USD
View
B+
Retailer 10
-
$2,748 USD
View
B
Retailer 11
-
$3,224 USD
View
Most Expensive
B
MOH London
03574CBE7 · Nov 2
$4,550 USD
£3,583 GBP
View
11 more retailers have this diamond
Prices start from $2,041 USDSave up to $2,509 USD

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
$2,041 USD