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Heart|Natural|GIA

1.12ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 1242063357

Certificate GIA 1242063357

Diamond specifications and retailer prices

From $2,508 AUD
$1,758 USD
As of November 1, 2026
Save $3,977 AUD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,485 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.12ct natural heart diamond

This 1.12ct natural heart sits in the classic one-carat band, graded G 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 1242063357. Listed at 8 retailers as of October 30, 2026, with prices from $2,508 to $6,485, a $3,977 spread on the same certified stone. NZ Jewellers lists it at $6,485. 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

1.12
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242063357
Dimensions6.28 × 7.16 × 4.22 mm
L/W Ratio1.14
Key to symbols
Twinning Wisp
Top View
6.28 mm7.16 mm1.12 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242063357
Side View
Table 56.0%CrownGirdle: STK-VTKPavilion 38.6°Culet: NoneDepth 58.9%

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 1
Current: $6,485 AUD|Low: $2,508 AUD|High: $6,899 AUD|Avg: $3,903 AUD|+5.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$2,508 AUD
Retailer 5$2,660 AUD
Retailer 8$2,714 AUD
Retailer 4$2,782 AUD
Retailer 6$3,124 AUD
Retailer 7$4,075 AUD
Retailer 2$4,659 AUD
NZ Jewellers$6,485 AUD

30 data points across 8 retailers

8 retailers$2,508 AUD to $6,485 AUD

A
Cheapest Retailer
-
$2,508 AUD
$1,758 USD
A
Retailer 2
-
$2,660 AUD
$1,864 USD
View
A
Retailer 3
-
$2,714 AUD
SGD 2,570 SGD
View
A
Retailer 4
-
$2,782 AUD
$1,950 USD
View
B+
Retailer 5
-
$3,124 AUD
View
B+
Retailer 6
-
$4,075 AUD
€2,720 EUR
View
B+
Retailer 7
-
$4,659 AUD
£2,571 GBP
View
Most Expensive
B
NZ Jewellers
49c28a41-2257-42e4-afd9-15dd2f9ebd19 · Oct 30
$6,485 AUD
$4,545 USD
View
7 more retailers have this diamond
Prices start from $2,508 AUDSave up to $3,977 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
1.12ct Heart
$2,508 AUD