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Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 5413323903

Certificate GIA 5413323903

Diamond specifications and retailer prices

From $6,582 NZD
As of November 5, 2026
Save $8,184 NZD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,767 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413323903. Listed at 11 retailers as of November 5, 2026, with prices from $6,582 to $14,767, a $8,184 spread on the same certified stone. NZ Jewellers lists it at $14,767. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5413323903
Dimensions6.36 × 7.37 × 4.28 mm
L/W Ratio1.16
Top View
6.36 mm7.37 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5413323903
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.0%

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 5
Current: $14,767 NZD|Low: $6,330 NZD|High: $14,767 NZD|Avg: $9,102 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$6,582 NZD
Retailer 7$6,703 NZD
Retailer 5$7,088 NZD
Retailer 6$7,679 NZD
Retailer 8$7,679 NZD
Retailer 2$8,426 NZD
Retailer 9$8,859 NZD
Retailer 10$9,373 NZD
Retailer 4$13,463 NZD
NZ Jewellers$14,767 NZD

37 data points across 10 retailers

11 retailers$6,582 NZD to $14,767 NZD

B+
Cheapest Retailer
-
$6,582 NZD
B+
Retailer 2
-
$6,703 NZD
View
B
Retailer 3
-
$6,822 NZD
View
B
Retailer 4
-
$7,048 NZD
View
B
Retailer 5
-
$7,088 NZD
View
Final sale: no returns
B
Retailer 6
-
$7,679 NZD
View
B
Retailer 7
-
$7,679 NZD
View
B
Retailer 8
-
$8,426 NZD
View
B
Retailer 9
-
$8,859 NZD
View
B
Retailer 10
-
$13,463 NZD
View
Most Expensive
B
NZ Jewellers
f98dea9f-60bb-4ddc-afc2-d8ee93f13844 · Nov 5
$14,767 NZD
$8,186 USD
View
10 more retailers have this diamond
Prices start from $6,582 NZDSave up to $8,184 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
$6,582 NZD