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Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1539635227

Certificate GIA 1539635227

Diamond specifications and retailer prices

From $2,905 AUD
As of November 5, 2026
Save $4,071 AUD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,976 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 1539635227. Listed at 7 retailers as of November 5, 2026, with prices from $2,905 to $6,976, a $4,071 spread on the same certified stone. NZ Jewellers lists it at $6,976. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1539635227
Dimensions7.39 × 6.43 × 3.73 mm
L/W Ratio1.15
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.39 mm6.43 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1539635227
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.0%

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 5
Current: $6,976 AUD|Low: $2,687 AUD|High: $7,468 AUD|Avg: $3,977 AUD|-6.6%
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 5, 2026
Retailer 2$2,905 AUD
Retailer 4$3,115 AUD
Retailer 9$3,296 AUD
Retailer 7$3,337 AUD
Retailer 3$3,446 AUD
Retailer 8$3,464 AUD
Retailer 6$3,490 AUD
Retailer 10$3,614 AUD
Retailer 12$3,622 AUD
Retailer 11$4,181 AUD
Retailer 5$5,829 AUD
NZ Jewellers$6,976 AUD

31 data points across 12 retailers

7 retailers$2,905 AUD to $6,976 AUD

A
Cheapest Retailer
-
$2,905 AUD
B+
Retailer 2
-
$3,296 AUD
View
Final sale: no returns
B+
Retailer 3
-
$3,337 AUD
View
B+
Retailer 4
-
$3,464 AUD
View
B+
Retailer 5
-
$3,490 AUD
View
B
Retailer 6
-
$5,829 AUD
View
Most Expensive
B
NZ Jewellers
b68ae1d6-3e41-4c83-a5b7-b706b500f6f1 · Nov 5
$6,976 AUD
$4,793 USD
View
6 more retailers have this diamond
Prices start from $2,905 AUDSave up to $4,071 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
$2,905 AUD