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Heart|Natural|GIA

1.20ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 5553259583

Certificate GIA 5553259583

Diamond specifications and retailer prices

From $2,503 AUD
₹167,078 INR
As of November 2, 2026
Save $4,376 AUD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,879 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 5553259583. Listed at 9 retailers as of November 2, 2026, with prices from $2,503 to $6,879, a $4,376 spread on the same certified stone. NZ Jewellers lists it at $6,879. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553259583
Dimensions6.46 × 7.39 × 4.30 mm
L/W Ratio1.14
Girdle conditionSlightly Thick
Top View
6.46 mm7.39 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553259583
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.2%

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: $6,879 AUD|Low: $2,454 AUD|High: $7,130 AUD|Avg: $3,895 AUD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 3$2,503 AUD
Retailer 8$2,635 AUD
Retailer 6$2,972 AUD
Retailer 9$3,106 AUD
Retailer 7$3,489 AUD
Retailer 2$3,581 AUD
Retailer 4$4,108 AUD
Retailer 5$5,764 AUD
NZ Jewellers$6,879 AUD

36 data points across 9 retailers

9 retailers$2,503 AUD to $6,879 AUD

A
Cheapest Retailer
-
$2,503 AUD
₹167,078 INR
A
Retailer 2
-
$2,635 AUD
$1,847 USD
View
Final sale: no returns
A
Retailer 3
-
$2,972 AUD
$2,083 USD
View
B+
Retailer 4
-
$3,106 AUD
$2,177 USD
View
B+
Retailer 5
-
$3,489 AUD
$2,445 USD
View
B+
Retailer 6
-
$3,581 AUD
£1,976 GBP
View
B+
Retailer 7
-
$4,108 AUD
€2,742 EUR
View
B
Retailer 8
-
$5,764 AUD
£3,181 GBP
View
Most Expensive
B
NZ Jewellers
144bfd90-f8c1-4735-8d51-c7e3cabf9354 · Nov 3
$6,879 AUD
$4,821 USD
View
8 more retailers have this diamond
Prices start from $2,503 AUDSave up to $4,376 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
$2,503 AUD