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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 $3,682 NZD
As of November 6, 2026
Save $4,527 NZD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,208 NZD 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 $3,682 to $8,208, a $4,527 spread on the same certified stone. MOH London lists it at $8,208. 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: $8,208 NZD|Low: $3,644 NZD|High: $8,307 NZD|Avg: $4,805 NZD
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$3,682 NZD
Retailer 2$3,833 NZD
Retailer 6$3,918 NZD
Retailer 5$3,923 NZD
Retailer 10$3,999 NZD
Retailer 9$4,131 NZD
Retailer 7$4,245 NZD
Retailer 4$4,957 NZD
Retailer 3$5,816 NZD
MOH London$8,208 NZD

44 data points across 10 retailers

12 retailers$3,682 NZD to $8,208 NZD

B+
Cheapest Retailer
-
$3,682 NZD
B+
Retailer 2
-
$3,833 NZD
View
B+
Retailer 3
-
$3,833 NZD
View
B+
Retailer 4
-
$3,918 NZD
View
Final sale: no returns
Retailer 5
-
$3,923 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$3,999 NZD
View
B+
Retailer 7
-
$4,131 NZD
View
Retailer 8
-
$4,245 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,634 NZD
View
B+
Retailer 10
-
$4,957 NZD
View
B
Retailer 11
-
$5,816 NZD
View
Most Expensive
B
MOH London
03574CBE7 · Nov 2
$8,208 NZD
£3,583 GBP
View
11 more retailers have this diamond
Prices start from $3,682 NZDSave up to $4,527 NZD

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
$3,682 NZD