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Heart|Natural|GIA

1.25ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6552626215

Certificate GIA 6552626215

Diamond specifications and retailer prices

From $3,289 AUD
As of November 6, 2026
Save $4,161 AUD (56%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,450 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural heart diamond

This 1.25ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 6552626215. Listed at 4 retailers as of November 5, 2026, with prices from $3,289 to $7,450, a $4,161 spread on the same certified stone. NZ Jewellers lists it at $7,450. 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

1.25
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552626215
Dimensions6.65 × 7.55 × 4.13 mm
L/W Ratio1.14
Key to symbols
Twinning Wisp, Cloud, Feather, Needle
Top View
6.65 mm7.55 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552626215
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 54.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,450 AUD|Low: $2,898 AUD|High: $8,405 AUD|Avg: $5,314 AUD|-11.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$3,289 AUD
Retailer 3$3,550 AUD
Retailer 5$5,023 AUD
Retailer 2$6,244 AUD
NZ Jewellers$7,450 AUD

19 data points across 5 retailers

4 retailers$3,289 AUD to $7,450 AUD

A
Cheapest Retailer
-
$3,289 AUD
Final sale: no returns
A
Retailer 2
-
$3,550 AUD
View
B
Retailer 3
-
$6,244 AUD
View
Most Expensive
B
NZ Jewellers
e0cb4df5-4666-4896-b67b-e7bb3b6102f7 · Nov 5
$7,450 AUD
$5,119 USD
View
3 more retailers have this diamond
Prices start from $3,289 AUDSave up to $4,161 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
1.25ct Heart
$3,289 AUD