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Heart|Natural|GIA

1.20ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 3555316314

Certificate GIA 3555316314

Diamond specifications and retailer prices

From $2,665 AUD
As of November 6, 2026
Save $4,503 AUD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,168 AUD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct 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 3555316314. Listed at 17 retailers as of November 6, 2026, with prices from $2,665 to $7,168, a $4,503 spread on the same certified stone. NZ Jewellers lists it at $7,168. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555316314
Dimensions7.22 × 6.62 × 4.08 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Knot
Top View
7.22 mm6.62 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555316314
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 56.5%

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: $7,168 AUD|Low: $2,366 AUD|High: $7,168 AUD|Avg: $3,692 AUD|+1.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 17$2,665 AUD
Retailer 7$2,678 AUD
Retailer 6$2,839 AUD
Retailer 13$3,106 AUD
Retailer 15$3,106 AUD
Retailer 8$3,246 AUD
Retailer 14$3,250 AUD
Retailer 10$3,343 AUD
Retailer 9$3,372 AUD
Retailer 2$3,393 AUD
Retailer 3$3,404 AUD
Retailer 16$3,585 AUD
Retailer 4$3,595 AUD
Retailer 18$3,595 AUD
Retailer 5$3,711 AUD
Retailer 12$4,257 AUD
Retailer 11$5,973 AUD
NZ Jewellers$7,168 AUD

35 data points across 18 retailers

17 retailers$2,665 AUD to $7,168 AUD

A
Cheapest Retailer
-
$2,665 AUD
A
Retailer 2
-
$2,678 AUD
View
A
Retailer 3
-
$2,839 AUD
View
Final sale: no returns
B+
Retailer 4
-
$3,106 AUD
View
A
Retailer 5
-
$3,106 AUD
View
B+
Retailer 6
-
$3,246 AUD
View
B+
Retailer 7
-
$3,250 AUD
View
B+
Retailer 8
-
$3,393 AUD
View
B+
Retailer 9
-
$3,404 AUD
View
Retailer 10
-
$3,550 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$3,585 AUD
View
B+
Retailer 12
-
$3,595 AUD
View
B+
Retailer 13
-
$3,595 AUD
View
B+
Retailer 14
-
$3,711 AUD
View
B+
Retailer 15
-
$4,257 AUD
View
B
Retailer 16
-
$5,973 AUD
View
Most Expensive
B
NZ Jewellers
41363c63-d7cb-4118-9854-3b008e5c6224 · Nov 7
$7,168 AUD
$4,925 USD
View
16 more retailers have this diamond
Prices start from $2,665 AUDSave up to $4,503 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
$2,665 AUD