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Heart|Natural|GIA

1.21ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 5536547731

Certificate GIA 5536547731

Diamond specifications and retailer prices

From $4,190 NZD
As of November 6, 2026
Save $5,738 NZD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,929 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536547731. Listed at 16 retailers as of November 5, 2026, with prices from $4,190 to $9,929, a $5,738 spread on the same certified stone. NZ Jewellers lists it at $9,929. 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

1.21
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.93°
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 5536547731
Dimensions6.75 × 7.33 × 4.10 mm
L/W Ratio1.09
Top View
6.75 mm7.33 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5536547731
Side View
Table 58.0%Crown 38.93°Girdle: ThickPavilion 37.8°Culet: NoneDepth 55.9%

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: $9,929 NZD|Low: $4,190 NZD|High: $10,234 NZD|Avg: $5,736 NZD|-3.0%
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
November 6, 2026
Retailer 8$4,190 NZD
Retailer 2$4,319 NZD
Retailer 6$4,430 NZD
Retailer 5$4,591 NZD
Retailer 9$4,600 NZD
Retailer 3$4,750 NZD
Retailer 7$4,894 NZD
Retailer 4$4,932 NZD
Retailer 11$4,932 NZD
Retailer 12$4,950 NZD
Retailer 14$5,074 NZD
Retailer 13$5,399 NZD
Retailer 10$5,810 NZD
Retailer 15$8,296 NZD
NZ Jewellers$9,929 NZD

29 data points across 15 retailers

16 retailers$4,190 NZD to $9,929 NZD

A
Cheapest Retailer
-
$4,190 NZD
A
Retailer 2
-
$4,319 NZD
View
Final sale: no returns
A
Retailer 3
-
$4,430 NZD
View
B+
Retailer 4
-
$4,591 NZD
View
B+
Retailer 5
-
$4,600 NZD
View
B+
Retailer 6
-
$4,750 NZD
View
Retailer 7
-
$4,894 NZD
View
Price last confirmed 9 days ago
Retailer 8
-
$4,894 NZD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$4,932 NZD
View
B+
Retailer 10
-
$4,932 NZD
View
B+
Retailer 11
-
$4,950 NZD
View
B+
Retailer 12
-
$5,074 NZD
View
B+
Retailer 13
-
$5,399 NZD
View
B+
Retailer 14
-
$5,810 NZD
View
B
Retailer 15
-
$8,296 NZD
View
Most Expensive
B
NZ Jewellers
2704d1ca-bb02-4ad5-89b1-f0c3c53b1006 · Nov 5
$9,929 NZD
$5,504 USD
View
15 more retailers have this diamond
Prices start from $4,190 NZDSave up to $5,738 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
1.21ct Heart
$4,190 NZD