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Heart|Natural|GIA

1.20ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 7553655500

Certificate GIA 7553655500

Diamond specifications and retailer prices

From $2,346 AUD
As of November 6, 2026
Save $2,885 AUD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,231 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553655500. Listed at 8 retailers as of November 4, 2026, with prices from $2,346 to $5,231, a $2,885 spread on the same certified stone. MOH London lists it at $5,231. 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

1.20
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7553655500
Dimensions6.96 × 7.25 × 3.80 mm
L/W Ratio1.04
Key to symbols
Twinning Wisp, Crystal, Needle
Top View
6.96 mm7.25 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7553655500
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 52.4%

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: $5,231 AUD|Low: $2,329 AUD|High: $5,307 AUD|Avg: $3,462 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$2,346 AUD
Retailer 6$2,726 AUD
Retailer 7$2,874 AUD
Retailer 3$3,251 AUD
Retailer 5$3,691 AUD
Retailer 2$4,065 AUD
MOH London$5,231 AUD

45 data points across 7 retailers

8 retailers$2,346 AUD to $5,231 AUD

A
Cheapest Retailer
-
$2,346 AUD
A
Retailer 2
-
$2,726 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,874 AUD
View
A
Retailer 4
-
$3,251 AUD
View
A
Retailer 5
-
$3,328 AUD
View
Retailer 6
-
$3,691 AUD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$4,065 AUD
View
Most Expensive
B+
MOH London
4FB6CE586 · Nov 4
$5,231 AUD
£2,830 GBP
View
7 more retailers have this diamond
Prices start from $2,346 AUDSave up to $2,885 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
1.20ct Heart
$2,346 AUD