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Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 7556609189

Certificate GIA 7556609189

Diamond specifications and retailer prices

From $3,059 AUD
$2,149 USD
As of October 31, 2026
Save $2,752 AUD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,933 AUD at NZ Jewellers · As of September 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 7556609189. Listed at 9 retailers as of October 31, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7556609189
Dimensions7.49 × 6.31 × 4.41 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
7.49 mm6.31 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7556609189
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 59.0%

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: Oct 31
Current: $5,811 AUD|Low: $2,806 AUD|High: $5,880 AUD|Avg: $3,916 AUD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$3,059 AUD
Retailer 5$3,316 AUD
Retailer 2$3,640 AUD
Retailer 6$3,946 AUD
Retailer 3$4,141 AUD
Retailer 1$5,811 AUD

43 data points across 6 retailers

9 retailers$3,059 AUD to $5,811 AUD

A
Cheapest Retailer
-
$3,059 AUD
$2,149 USD
Final sale: no returns
Retailer 2
-
$3,316 AUD
$2,329 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$3,316 AUD
$2,329 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$3,469 AUD
$2,437 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
$3,640 AUD
£2,013 GBP
View
Retailer 6
-
$3,827 AUD
$2,688 USD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
$4,141 AUD
€2,770 EUR
View
B
Retailer 8
-
$5,811 AUD
£3,214 GBP
View
Most Expensive
NZ Jewellers
dd00f189-c98c-4daf-b410-3034eb64c36e · Sep 30
$6,933 AUD
$4,870 USD
View
Price last confirmed 32 days ago
8 more retailers have this diamond
Prices start from $3,059 AUDSave up to $2,752 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
$3,059 AUD