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Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 7516474666

Certificate GIA 7516474666

Diamond specifications and retailer prices

From $3,408 AUD
HK$18,700 HKD
As of November 1, 2026
Save $2,090 AUD (38%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,498 AUD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

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 7516474666. Listed at 4 retailers as of October 30, 2026, with prices from $3,408 to $5,498, a $2,090 spread on the same certified stone. 77 Diamonds lists it at $5,498. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7516474666
Dimensions6.79 × 7.52 × 4.07 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.79 mm7.52 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7516474666
Side View
Table 57.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 54.1%

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 1
Current: $5,498 AUD|Low: $3,389 AUD|High: $6,011 AUD|Avg: $4,758 AUD|-8.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$3,408 AUD
Retailer 5$4,208 AUD
Retailer 3$4,339 AUD
Retailer 4$4,988 AUD
77 Diamonds$5,498 AUD
Retailer 6$6,011 AUD

7 data points across 6 retailers

4 retailers$3,408 AUD to $5,498 AUD

A
Cheapest Retailer
-
$3,408 AUD
HK$18,700 HKD
B+
Retailer 2
-
$3,904 AUD
View
B+
Retailer 3
-
$4,339 AUD
$3,048 USD
View
Most Expensive
B
77 Diamonds
HSEVJJY5S3GC · Oct 30
$5,498 AUD
£3,041 GBP
View
3 more retailers have this diamond
Prices start from $3,408 AUDSave up to $2,090 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
$3,408 AUD