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Heart|Natural|GIA

1.20ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 2557362057

Certificate GIA 2557362057

Diamond specifications and retailer prices

From $2,648 AUD
HK$14,500 HKD
As of November 2, 2026
Save $5,207 AUD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,856 AUD at Queensmith · As of October 28, 2026
View at Queensmith

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 2557362057. Listed at 19 retailers as of October 28, 2026, with prices from $2,648 to $7,856, a $5,207 spread on the same certified stone. Queensmith lists it at $7,856. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557362057
Dimensions6.70 × 7.29 × 4.15 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cavity, Indented Natural, Feather, Natural
Top View
6.70 mm7.29 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557362057
Side View
Table 62.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 57.0%

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: $7,856 AUD|Low: $2,648 AUD|High: $7,874 AUD|Avg: $4,268 AUD|+2.8%
Queensmith
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
November 3, 2026
Retailer 12$2,648 AUD
Retailer 11$2,789 AUD
Retailer 7$3,105 AUD
Retailer 16$3,252 AUD
Retailer 13$3,484 AUD
Retailer 4$3,543 AUD
Retailer 6$3,543 AUD
Retailer 9$3,686 AUD
Retailer 15$3,724 AUD
Retailer 2$3,766 AUD
Retailer 8$3,858 AUD
Retailer 10$4,065 AUD
Retailer 14$4,400 AUD
Retailer 3$6,241 AUD
Retailer 5$7,407 AUD
Queensmith$7,856 AUD

24 data points across 16 retailers

19 retailers$2,648 AUD to $7,856 AUD

A
Cheapest Retailer
-
$2,648 AUD
HK$14,500 HKD
A
Retailer 2
-
$2,789 AUD
₹186,159 INR
View
B+
Retailer 3
-
$3,105 AUD
SGD 2,941 SGD
View
B+
Retailer 4
-
$3,252 AUD
$2,279 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,315 AUD
$2,323 USD
View
B+
Retailer 6
-
$3,484 AUD
£1,922 GBP
View
B+
Retailer 7
-
$3,543 AUD
$2,483 USD
View
B+
Retailer 8
-
$3,543 AUD
$2,483 USD
View
B+
Retailer 9
-
$3,578 AUD
View
B+
Retailer 10
-
$3,686 AUD
$2,583 USD
View
B+
Retailer 11
-
$3,703 AUD
SGD 3,507 SGD
View
B+
Retailer 12
-
$3,724 AUD
$2,610 USD
View
B+
Retailer 13
-
$3,766 AUD
£2,078 GBP
View
B
Retailer 14
-
$3,858 AUD
$2,704 USD
View
B
Retailer 15
-
$4,065 AUD
$2,849 USD
View
B+
Retailer 16
-
$4,400 AUD
€2,937 EUR
View
B
Retailer 17
-
$6,241 AUD
£3,444 GBP
View
B
Retailer 18
-
$7,407 AUD
$5,191 USD
View
Most Expensive
B
Queensmith
2557362057 · Oct 28
$7,856 AUD
£4,335 GBP
View
18 more retailers have this diamond
Prices start from $2,648 AUDSave up to $5,207 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
$2,648 AUD