CaratHunter
Plans
Heart|Natural|GIA

1.21ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 7552655479

Certificate GIA 7552655479

Diamond specifications and retailer prices

From $2,305 AUD
As of November 6, 2026
Save $4,079 AUD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,385 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 7552655479. Listed at 9 retailers as of November 5, 2026, with prices from $2,305 to $6,385, a $4,079 spread on the same certified stone. NZ Jewellers lists it at $6,385. 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 7552655479
Dimensions6.53 × 7.37 × 4.29 mm
L/W Ratio1.13
Girdle conditionVery Thick
Top View
6.53 mm7.37 mm1.21 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7552655479
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 58.2%

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: $6,385 AUD|Low: $2,305 AUD|High: $6,987 AUD|Avg: $3,808 AUD|-8.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$2,305 AUD
Retailer 7$2,445 AUD
Retailer 6$2,758 AUD
Retailer 9$3,055 AUD
Retailer 4$3,254 AUD
Retailer 5$3,317 AUD
Retailer 3$4,146 AUD
Retailer 8$5,335 AUD
NZ Jewellers$6,385 AUD

35 data points across 9 retailers

9 retailers$2,305 AUD to $6,385 AUD

A
Cheapest Retailer
-
$2,305 AUD
A
Retailer 2
-
$2,445 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,758 AUD
View
B+
Retailer 4
-
$3,055 AUD
View
B+
Retailer 5
-
$3,254 AUD
View
B+
Retailer 6
-
$3,317 AUD
View
B+
Retailer 7
-
$4,146 AUD
View
B
Retailer 8
-
$5,335 AUD
View
Most Expensive
B
NZ Jewellers
a65ae868-67a0-4d0a-a61a-3601b62aaffe · Nov 5
$6,385 AUD
$4,387 USD
View
8 more retailers have this diamond
Prices start from $2,305 AUDSave up to $4,079 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
$2,305 AUD