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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 $2,908 AUD
As of November 6, 2026
Save $4,908 AUD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,815 AUD 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 $2,908 to $7,815, a $4,908 spread on the same certified stone. NZ Jewellers lists it at $7,815. 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: $7,815 AUD|Low: $2,580 AUD|High: $7,815 AUD|Avg: $4,206 AUD|+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$2,908 AUD
Retailer 4$2,922 AUD
Retailer 12$3,097 AUD
Retailer 8$3,387 AUD
Retailer 10$3,387 AUD
Retailer 9$3,542 AUD
Retailer 2$3,675 AUD
Retailer 3$3,697 AUD
Retailer 11$3,908 AUD
Retailer 5$4,641 AUD
Retailer 6$6,549 AUD
NZ Jewellers$7,815 AUD

46 data points across 12 retailers

16 retailers$2,908 AUD to $7,815 AUD

A
Cheapest Retailer
-
$2,908 AUD
A
Retailer 2
-
$2,922 AUD
View
A
Retailer 3
-
$3,097 AUD
View
Final sale: no returns
Retailer 4
-
$3,387 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,387 AUD
View
B+
Retailer 6
-
$3,542 AUD
View
B+
Retailer 7
-
$3,551 AUD
View
B+
Retailer 8
-
$3,675 AUD
View
B+
Retailer 9
-
$3,697 AUD
View
B+
Retailer 10
-
$3,900 AUD
View
B+
Retailer 11
-
$3,900 AUD
View
B+
Retailer 12
-
$3,908 AUD
View
B+
Retailer 13
-
$4,031 AUD
View
B+
Retailer 14
-
$4,641 AUD
View
B
Retailer 15
-
$6,549 AUD
View
Most Expensive
B
NZ Jewellers
16db4d77-b7d0-4106-b007-8ab322cb2121 · Nov 5
$7,815 AUD
$5,370 USD
View
15 more retailers have this diamond
Prices start from $2,908 AUDSave up to $4,908 AUD

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
$2,908 AUD