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Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6545807565

Certificate GIA 6545807565

Diamond specifications and retailer prices

From $2,637 AUD
₹176,382 INR
As of October 31, 2026
Save $4,699 AUD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,336 AUD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545807565. Listed at 14 retailers as of October 30, 2026, with prices from $2,637 to $7,336, a $4,699 spread on the same certified stone. NZ Jewellers lists it at $7,336. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545807565
Dimensions6.52 × 7.31 × 4.28 mm
L/W Ratio1.12
Top View
6.52 mm7.31 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545807565
Side View
Table 58.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 58.6%

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: Oct 31
Current: $7,336 AUD|Low: $2,636 AUD|High: $7,971 AUD|Avg: $4,149 AUD|-8.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 8$2,637 AUD
Retailer 4$2,776 AUD
Retailer 5$3,169 AUD
Retailer 3$3,424 AUD
Retailer 6$3,509 AUD
Retailer 11$3,509 AUD
Retailer 10$3,580 AUD
Retailer 12$3,671 AUD
Retailer 13$3,708 AUD
Retailer 7$3,750 AUD
Retailer 14$4,029 AUD
Retailer 9$4,049 AUD
Retailer 2$6,147 AUD
NZ Jewellers$7,336 AUD

32 data points across 14 retailers

14 retailers$2,637 AUD to $7,336 AUD

A
Cheapest Retailer
-
$2,637 AUD
₹176,382 INR
A
Retailer 2
-
$2,776 AUD
$1,950 USD
View
Final sale: no returns
A
Retailer 3
-
$3,169 AUD
$2,226 USD
View
A
Retailer 4
-
$3,424 AUD
$2,405 USD
View
A
Retailer 5
-
$3,509 AUD
$2,465 USD
View
A
Retailer 6
-
$3,509 AUD
$2,465 USD
View
A
Retailer 7
-
$3,580 AUD
$2,515 USD
View
A
Retailer 8
-
$3,671 AUD
$2,579 USD
View
A
Retailer 9
-
$3,708 AUD
$2,605 USD
View
A
Retailer 10
-
$3,750 AUD
£2,074 GBP
View
B+
Retailer 11
-
$4,029 AUD
$2,830 USD
View
B+
Retailer 12
-
$4,049 AUD
$2,844 USD
View
B
Retailer 13
-
$6,147 AUD
£3,400 GBP
View
Most Expensive
B
NZ Jewellers
9ec0e935-9cb7-420d-912f-7a6059c482f9 · Oct 30
$7,336 AUD
$5,153 USD
View
13 more retailers have this diamond
Prices start from $2,637 AUDSave up to $4,699 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
$2,637 AUD