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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 7548677605

Certificate GIA 7548677605

Diamond specifications and retailer prices

From $4,324 NZD
As of November 6, 2026
Save $5,377 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,701 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded H 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 7548677605. Listed at 17 retailers as of November 5, 2026, with prices from $4,324 to $9,701, a $5,377 spread on the same certified stone. NZ Jewellers lists it at $9,701. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548677605
Dimensions7.33 × 6.38 × 4.26 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.33 mm6.38 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548677605
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.1%

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: $9,701 NZD|Low: $4,324 NZD|High: $9,701 NZD|Avg: $6,041 NZD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 5$4,324 NZD
Retailer 17$4,923 NZD
Retailer 13$5,046 NZD
Retailer 15$5,046 NZD
Retailer 14$5,239 NZD
Retailer 6$5,322 NZD
Retailer 2$5,401 NZD
Retailer 3$5,460 NZD
Retailer 8$5,754 NZD
Retailer 9$5,754 NZD
Retailer 16$5,821 NZD
Retailer 7$5,935 NZD
Retailer 4$6,256 NZD
Retailer 10$6,481 NZD
Retailer 11$6,797 NZD
Retailer 12$9,286 NZD
NZ Jewellers$9,701 NZD

39 data points across 17 retailers

17 retailers$4,324 NZD to $9,701 NZD

B+
Cheapest Retailer
-
$4,324 NZD
B+
Retailer 2
-
$4,923 NZD
View
Retailer 3
-
$5,046 NZD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$5,046 NZD
View
B+
Retailer 5
-
$5,239 NZD
View
B+
Retailer 6
-
$5,322 NZD
View
B+
Retailer 7
-
$5,401 NZD
View
B+
Retailer 8
-
$5,460 NZD
View
B
Retailer 9
-
$5,754 NZD
View
B
Retailer 10
-
$5,754 NZD
View
B
Retailer 11
-
$5,821 NZD
View
B
Retailer 12
-
$5,935 NZD
View
B
Retailer 13
-
$6,256 NZD
View
B
Retailer 14
-
$6,481 NZD
View
B
Retailer 15
-
$6,797 NZD
View
B
Retailer 16
-
$9,286 NZD
View
Most Expensive
B
NZ Jewellers
8a096fb1-1da9-4c56-9c9e-810f71391f1d · Nov 5
$9,701 NZD
$5,378 USD
View
16 more retailers have this diamond
Prices start from $4,324 NZDSave up to $5,377 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+
1.20ct Heart
$4,324 NZD