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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 6522713397

Certificate GIA 6522713397

Diamond specifications and retailer prices

From $3,129 AUD
As of November 6, 2026
Save $5,404 AUD (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,533 AUD at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522713397. Listed at 23 retailers as of November 5, 2026, with prices from $3,129 to $8,533, a $5,404 spread on the same certified stone. NZ Jewellers lists it at $8,533. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522713397
Dimensions7.52 × 6.69 × 4.27 mm
L/W Ratio1.12
Top View
7.52 mm6.69 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522713397
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.8%

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: $8,533 AUD|Low: $3,129 AUD|High: $8,581 AUD|Avg: $4,827 AUD|-0.6%
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
Retailer 19
November 7, 2026
Retailer 7$3,129 AUD
Retailer 14$3,270 AUD
Retailer 9$3,767 AUD
Retailer 18$3,841 AUD
Retailer 19$3,884 AUD
Retailer 13$3,930 AUD
Retailer 15$3,959 AUD
Retailer 3$4,081 AUD
Retailer 11$4,104 AUD
Retailer 4$4,238 AUD
Retailer 8$4,288 AUD
Retailer 12$4,320 AUD
Retailer 16$4,360 AUD
Retailer 5$4,439 AUD
Retailer 6$4,710 AUD
Retailer 17$4,982 AUD
Retailer 2$7,111 AUD
Retailer 10$8,409 AUD
NZ Jewellers$8,533 AUD

22 data points across 19 retailers

23 retailers$3,129 AUD to $8,533 AUD

A
Cheapest Retailer
-
$3,129 AUD
A
Retailer 2
-
$3,270 AUD
View
B+
Retailer 3
-
$3,767 AUD
View
Final sale: no returns
B+
Retailer 4
-
$3,796 AUD
View
B+
Retailer 5
-
$3,841 AUD
View
B+
Retailer 6
-
$3,884 AUD
View
B+
Retailer 7
-
$3,930 AUD
View
B+
Retailer 8
-
$3,959 AUD
View
B+
Retailer 9
-
$4,077 AUD
View
B+
Retailer 10
-
$4,081 AUD
View
Retailer 11
-
$4,104 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$4,238 AUD
View
B+
Retailer 13
-
$4,288 AUD
View
B+
Retailer 14
-
$4,320 AUD
View
B+
Retailer 15
-
$4,360 AUD
View
B+
Retailer 16
-
$4,439 AUD
View
B+
Retailer 17
-
$4,605 AUD
View
B+
Retailer 18
-
$4,710 AUD
View
Retailer 19
-
$4,800 AUD
View
Price last confirmed 31 days ago
B+
Retailer 20
-
$4,982 AUD
View
B
Retailer 21
-
$7,111 AUD
View
Retailer 22
-
$8,409 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
37a5c876-1c88-4918-9694-8a48a035d9d6 · Nov 5
$8,533 AUD
$5,863 USD
View
22 more retailers have this diamond
Prices start from $3,129 AUDSave up to $5,404 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
$3,129 AUD