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Heart|Natural|GIA

1.20ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6542256750

Certificate GIA 6542256750

Diamond specifications and retailer prices

From $2,828 NZD
As of November 4, 2026
Save $5,049 NZD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,877 NZD at NZ Jewellers · As of November 3, 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 G 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 6542256750. Listed at 17 retailers as of November 3, 2026, with prices from $2,828 to $7,877, a $5,049 spread on the same certified stone. NZ Jewellers lists it at $7,877. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542256750
Dimensions6.59 × 7.26 × 4.23 mm
L/W Ratio1.10
Top View
6.59 mm7.26 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542256750
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.3%

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 4
Current: $7,877 NZD|Low: $2,824 NZD|High: $7,877 NZD|Avg: $4,273 NZD
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 5, 2026
Retailer 12$2,828 NZD
Retailer 8$2,977 NZD
Retailer 9$3,404 NZD
Retailer 11$3,717 NZD
Retailer 4$3,745 NZD
Retailer 5$3,768 NZD
Retailer 7$3,768 NZD
Retailer 16$3,942 NZD
Retailer 3$4,013 NZD
Retailer 14$4,080 NZD
Retailer 2$4,093 NZD
Retailer 15$4,109 NZD
Retailer 17$4,187 NZD
Retailer 6$4,346 NZD
Retailer 13$5,123 NZD
Retailer 10$6,582 NZD
NZ Jewellers$7,877 NZD

26 data points across 17 retailers

17 retailers$2,828 NZD to $7,877 NZD

A
Cheapest Retailer
-
$2,828 NZD
A
Retailer 2
-
$2,977 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,404 NZD
View
A
Retailer 4
-
$3,717 NZD
View
A
Retailer 5
-
$3,745 NZD
View
A
Retailer 6
-
$3,768 NZD
View
Retailer 7
-
$3,768 NZD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$3,942 NZD
View
B+
Retailer 9
-
$4,013 NZD
View
B+
Retailer 10
-
$4,080 NZD
View
B+
Retailer 11
-
$4,093 NZD
View
B+
Retailer 12
-
$4,109 NZD
View
B+
Retailer 13
-
$4,187 NZD
View
B+
Retailer 14
-
$4,346 NZD
View
B+
Retailer 15
-
$5,123 NZD
View
B
Retailer 16
-
$6,582 NZD
View
Most Expensive
B
NZ Jewellers
1e6fbc27-0504-4cb2-aacd-ebcaca5f8833 · Nov 3
$7,877 NZD
$4,440 USD
View
16 more retailers have this diamond
Prices start from $2,828 NZDSave up to $5,049 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
$2,828 NZD