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Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 7531927035

Certificate GIA 7531927035

Diamond specifications and retailer prices

From $3,162 NZD
As of November 4, 2026
Save $5,302 NZD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,464 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 I 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 7531927035. Listed at 14 retailers as of November 4, 2026, with prices from $3,162 to $8,464, a $5,302 spread on the same certified stone. NZ Jewellers lists it at $8,464. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.39°
OriginNatural
Grading LabGIA
CertificateGIA 7531927035
Dimensions6.67 × 7.46 × 4.13 mm
L/W Ratio1.12
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.67 mm7.46 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531927035
Side View
Table 56.0%Crown 35.39°Girdle: STK-VTKPavilionCulet: NoneDepth 55.3%

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: $8,464 NZD|Low: $3,162 NZD|High: $8,464 NZD|Avg: $4,327 NZD|+5.4%
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
November 6, 2026
Retailer 14$3,162 NZD
Retailer 4$3,202 NZD
Retailer 11$3,386 NZD
Retailer 2$3,411 NZD
Retailer 6$3,471 NZD
Retailer 12$3,471 NZD
Retailer 3$3,626 NZD
Retailer 5$3,629 NZD
Retailer 13$3,718 NZD
Retailer 7$3,768 NZD
Retailer 10$3,801 NZD
Retailer 9$4,003 NZD
Retailer 8$6,063 NZD
NZ Jewellers$8,464 NZD

33 data points across 14 retailers

14 retailers$3,162 NZD to $8,464 NZD

A
Cheapest Retailer
-
$3,162 NZD
A
Retailer 2
-
$3,202 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,386 NZD
View
A
Retailer 4
-
$3,411 NZD
View
Retailer 5
-
$3,471 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$3,471 NZD
View
A
Retailer 7
-
$3,626 NZD
View
A
Retailer 8
-
$3,629 NZD
View
A
Retailer 9
-
$3,718 NZD
View
A
Retailer 10
-
$3,768 NZD
View
A
Retailer 11
-
$3,801 NZD
View
B+
Retailer 12
-
$4,003 NZD
View
B
Retailer 13
-
$6,063 NZD
View
Most Expensive
B
NZ Jewellers
27a37495-7bb8-4783-99b6-022636c6302d · Nov 5
$8,464 NZD
$4,692 USD
View
13 more retailers have this diamond
Prices start from $3,162 NZDSave up to $5,302 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
$3,162 NZD