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Heart|Natural|GIA

1.20ct I SI2 Heart Natural Diamond

VG • I/SI2 • GIA 6243054497

Certificate GIA 6243054497

Diamond specifications and retailer prices

From $3,023 NZD
As of November 6, 2026
Save $5,601 NZD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,624 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6243054497. Listed at 10 retailers as of November 5, 2026, with prices from $3,023 to $8,624, a $5,601 spread on the same certified stone. NZ Jewellers lists it at $8,624. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.74°
OriginNatural
Grading LabGIA
CertificateGIA 6243054497
Dimensions6.58 × 7.24 × 4.15 mm
L/W Ratio1.10
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
6.58 mm7.24 mm1.20 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243054497
Side View
Table 58.0%CrownGirdle: THK-VTKPavilion 35.74°Culet: NoneDepth 57.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,624 NZD|Low: $3,023 NZD|High: $9,303 NZD|Avg: $5,295 NZD|-7.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,023 NZD
Retailer 8$3,842 NZD
Retailer 6$4,126 NZD
Retailer 3$4,171 NZD
Retailer 5$4,315 NZD
Retailer 10$4,535 NZD
Retailer 2$5,029 NZD
Retailer 4$6,288 NZD
Retailer 7$7,226 NZD
NZ Jewellers$8,624 NZD

39 data points across 10 retailers

10 retailers$3,023 NZD to $8,624 NZD

A
Cheapest Retailer
-
$3,023 NZD
B+
Retailer 2
-
$3,842 NZD
View
B+
Retailer 3
-
$4,126 NZD
View
B+
Retailer 4
-
$4,171 NZD
View
B+
Retailer 5
-
$4,315 NZD
View
B+
Retailer 6
-
$4,535 NZD
View
B
Retailer 7
-
$5,029 NZD
View
B
Retailer 8
-
$6,288 NZD
View
B
Retailer 9
-
$7,226 NZD
View
Most Expensive
B
NZ Jewellers
78983666-88e8-4655-941d-f1b301e7d1b2 · Nov 5
$8,624 NZD
$4,781 USD
View
9 more retailers have this diamond
Prices start from $3,023 NZDSave up to $5,601 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.

A
1.20ct Heart
$3,023 NZD