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Heart|Natural|GIA

1.05ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2241025670

Certificate GIA 2241025670

Diamond specifications and retailer prices

From $2,439 AUD
As of November 6, 2026
Save $4,510 AUD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,950 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural heart diamond

This 1.05ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2241025670. Listed at 10 retailers as of November 5, 2026, with prices from $2,439 to $6,950, a $4,510 spread on the same certified stone. NZ Jewellers lists it at $6,950. 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

1.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.23°
OriginNatural
Grading LabGIA
CertificateGIA 2241025670
Dimensions6.14 × 6.99 × 3.68 mm
L/W Ratio1.14
Key to symbols
Crystal, Needle
Top View
6.14 mm6.99 mm1.05 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241025670
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 39.23°Culet: NoneDepth 59.9%

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 6
Current: $6,950 AUD|Low: $2,439 AUD|High: $7,683 AUD|Avg: $4,217 AUD|-9.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$2,439 AUD
Retailer 4$2,975 AUD
Retailer 8$3,097 AUD
Retailer 7$3,324 AUD
Retailer 2$3,398 AUD
Retailer 6$3,477 AUD
Retailer 10$3,753 AUD
Retailer 5$5,058 AUD
Retailer 3$5,807 AUD
NZ Jewellers$6,950 AUD

40 data points across 10 retailers

10 retailers$2,439 AUD to $6,950 AUD

A
Cheapest Retailer
-
$2,439 AUD
A
Retailer 2
-
$2,975 AUD
View
A
Retailer 3
-
$3,097 AUD
View
A
Retailer 4
-
$3,324 AUD
View
A
Retailer 5
-
$3,398 AUD
View
B+
Retailer 6
-
$3,477 AUD
View
B+
Retailer 7
-
$3,753 AUD
View
B+
Retailer 8
-
$5,058 AUD
View
B
Retailer 9
-
$5,807 AUD
View
Most Expensive
B
NZ Jewellers
cbbc0d21-a428-4991-ba5d-51ae227ac0d0 · Nov 5
$6,950 AUD
$4,775 USD
View
9 more retailers have this diamond
Prices start from $2,439 AUDSave up to $4,510 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
1.05ct Heart
$2,439 AUD