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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 2548637874

Certificate GIA 2548637874

Diamond specifications and retailer prices

From $3,604 NZD
As of November 6, 2026
Save $6,083 NZD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,687 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 H 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 2548637874. Listed at 16 retailers as of November 5, 2026, with prices from $3,604 to $9,687, a $6,083 spread on the same certified stone. NZ Jewellers lists it at $9,687. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548637874
Dimensions7.14 × 6.45 × 4.30 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
7.14 mm6.45 mm1.21 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548637874
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 60.2%

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: $9,687 NZD|Low: $3,198 NZD|High: $9,687 NZD|Avg: $5,214 NZD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$3,604 NZD
Retailer 4$3,622 NZD
Retailer 12$3,839 NZD
Retailer 8$4,198 NZD
Retailer 10$4,198 NZD
Retailer 9$4,391 NZD
Retailer 2$4,555 NZD
Retailer 3$4,582 NZD
Retailer 11$4,843 NZD
Retailer 5$5,753 NZD
Retailer 6$8,118 NZD
NZ Jewellers$9,687 NZD

46 data points across 12 retailers

16 retailers$3,604 NZD to $9,687 NZD

A
Cheapest Retailer
-
$3,604 NZD
A
Retailer 2
-
$3,622 NZD
View
A
Retailer 3
-
$3,839 NZD
View
Final sale: no returns
Retailer 4
-
$4,198 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$4,198 NZD
View
B+
Retailer 6
-
$4,391 NZD
View
B+
Retailer 7
-
$4,402 NZD
View
B+
Retailer 8
-
$4,555 NZD
View
B+
Retailer 9
-
$4,582 NZD
View
B+
Retailer 10
-
$4,834 NZD
View
B+
Retailer 11
-
$4,834 NZD
View
B+
Retailer 12
-
$4,843 NZD
View
B+
Retailer 13
-
$4,997 NZD
View
B+
Retailer 14
-
$5,753 NZD
View
B
Retailer 15
-
$8,118 NZD
View
Most Expensive
B
NZ Jewellers
16db4d77-b7d0-4106-b007-8ab322cb2121 · Nov 5
$9,687 NZD
$5,370 USD
View
15 more retailers have this diamond
Prices start from $3,604 NZDSave up to $6,083 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
$3,604 NZD