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Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6541016689

Certificate GIA 6541016689

Diamond specifications and retailer prices

From $2,084 AUD
As of November 6, 2026
Save $4,745 AUD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,829 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 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 6541016689. Listed at 15 retailers as of November 5, 2026, with prices from $2,084 to $6,829, a $4,745 spread on the same certified stone. NZ Jewellers lists it at $6,829. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541016689
Dimensions6.50 × 7.27 × 4.26 mm
L/W Ratio1.12
Top View
6.50 mm7.27 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541016689
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,829 AUD|Low: $2,084 AUD|High: $6,829 AUD|Avg: $3,266 AUD
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 2$2,084 AUD
Retailer 6$2,208 AUD
Retailer 3$2,551 AUD
Retailer 9$2,752 AUD
Retailer 7$2,800 AUD
Retailer 16$2,800 AUD
Retailer 14$2,823 AUD
Retailer 13$2,928 AUD
Retailer 4$3,000 AUD
Retailer 5$3,024 AUD
Retailer 10$3,040 AUD
Retailer 12$3,067 AUD
Retailer 15$3,230 AUD
Retailer 8$4,050 AUD
Retailer 11$4,892 AUD
NZ Jewellers$6,829 AUD

28 data points across 16 retailers

15 retailers$2,084 AUD to $6,829 AUD

A
Cheapest Retailer
-
$2,084 AUD
A
Retailer 2
-
$2,208 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,551 AUD
View
A
Retailer 4
-
$2,752 AUD
View
A
Retailer 5
-
$2,800 AUD
View
Retailer 6
-
$2,800 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,823 AUD
View
B+
Retailer 8
-
$2,928 AUD
View
B+
Retailer 9
-
$3,000 AUD
View
B+
Retailer 10
-
$3,024 AUD
View
B+
Retailer 11
-
$3,040 AUD
View
B+
Retailer 12
-
$3,067 AUD
View
B+
Retailer 13
-
$3,230 AUD
View
B
Retailer 14
-
$4,892 AUD
View
Most Expensive
B
NZ Jewellers
38aabdc7-25f6-4010-aac9-c88f086b3951 · Nov 5
$6,829 AUD
$4,692 USD
View
14 more retailers have this diamond
Prices start from $2,084 AUDSave up to $4,745 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
$2,084 AUD