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Heart|Natural|GIA

1.20ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6422090307

Certificate GIA 6422090307

Diamond specifications and retailer prices

From $3,045 AUD
₹203,247 INR
As of November 2, 2026
Save $5,426 AUD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,472 AUD at NZ Jewellers · As of November 3, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6422090307. Listed at 11 retailers as of November 2, 2026, with prices from $3,045 to $8,472, a $5,426 spread on the same certified stone. NZ Jewellers lists it at $8,472. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6422090307
Dimensions6.12 × 7.36 × 4.30 mm
L/W Ratio1.20
Top View
6.12 mm7.36 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422090307
Side View
Table 58.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 58.4%

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 2
Current: $8,472 AUD|Low: $3,045 AUD|High: $8,472 AUD|Avg: $4,916 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 8$3,045 AUD
Retailer 6$3,553 AUD
Retailer 12$3,630 AUD
Retailer 4$3,740 AUD
Retailer 9$4,030 AUD
Retailer 3$4,052 AUD
Retailer 11$4,052 AUD
Retailer 5$4,208 AUD
Retailer 2$4,296 AUD
Retailer 7$4,676 AUD
Retailer 10$7,138 AUD
NZ Jewellers$8,472 AUD

39 data points across 12 retailers

11 retailers$3,045 AUD to $8,472 AUD

A
Cheapest Retailer
-
$3,045 AUD
₹203,247 INR
B+
Retailer 2
-
$3,553 AUD
$2,490 USD
View
B+
Retailer 3
-
$3,630 AUD
$2,544 USD
View
B+
Retailer 4
-
$4,030 AUD
£2,224 GBP
View
Retailer 5
-
$4,052 AUD
$2,840 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$4,052 AUD
$2,840 USD
View
B+
Retailer 7
-
$4,208 AUD
$2,949 USD
View
B+
Retailer 8
-
$4,296 AUD
£2,371 GBP
View
B
Retailer 9
-
$4,676 AUD
$3,277 USD
View
B
Retailer 10
-
$7,138 AUD
£3,939 GBP
View
Most Expensive
B
NZ Jewellers
8ce1fcd6-cc2f-4563-9968-b62cf6108b04 · Nov 3
$8,472 AUD
$5,937 USD
View
10 more retailers have this diamond
Prices start from $3,045 AUDSave up to $5,426 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
$3,045 AUD