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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2546010111

Certificate GIA 2546010111

Diamond specifications and retailer prices

From $2,045 AUD
$1,433 USD
As of November 2, 2026
Save $3,359 AUD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,404 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546010111. Listed at 16 retailers as of October 30, 2026, with prices from $2,045 to $5,404, a $3,359 spread on the same certified stone. NZ Jewellers lists it at $5,404. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.78°
Pavilion angle38.79°
OriginNatural
Grading LabGIA
CertificateGIA 2546010111
Dimensions6.06 × 6.87 × 3.96 mm
L/W Ratio1.13
Top View
6.06 mm6.87 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546010111
Side View
Table 56.0%Crown 37.78°Girdle: THK-VTKPavilion 38.79°Culet: NoneDepth 57.6%

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: $5,404 AUD|Low: $1,874 AUD|High: $5,404 AUD|Avg: $2,653 AUD
NZ Jewellers
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
November 2, 2026
Retailer 14$2,045 AUD
Retailer 4$2,053 AUD
Retailer 13$2,055 AUD
Retailer 11$2,153 AUD
Retailer 2$2,161 AUD
Retailer 3$2,215 AUD
Retailer 5$2,215 AUD
Retailer 12$2,317 AUD
Retailer 15$2,447 AUD
Retailer 8$2,481 AUD
Retailer 6$2,556 AUD
Retailer 10$2,704 AUD
Retailer 7$2,992 AUD
Retailer 9$3,882 AUD
NZ Jewellers$5,404 AUD

34 data points across 15 retailers

16 retailers$2,045 AUD to $5,404 AUD

A
Cheapest Retailer
-
$2,045 AUD
$1,433 USD
Final sale: no returns
A
Retailer 2
-
$2,053 AUD
$1,439 USD
View
A
Retailer 3
-
$2,055 AUD
$1,440 USD
View
A
Retailer 4
-
$2,153 AUD
$1,509 USD
View
A
Retailer 5
-
$2,161 AUD
£1,192 GBP
View
A
Retailer 6
-
$2,215 AUD
$1,552 USD
View
A
Retailer 7
-
$2,215 AUD
$1,552 USD
View
A
Retailer 8
-
$2,317 AUD
$1,624 USD
View
A
Retailer 9
-
$2,447 AUD
$1,715 USD
View
A
Retailer 10
-
$2,481 AUD
£1,369 GBP
View
B+
Retailer 11
-
$2,556 AUD
$1,791 USD
View
Retailer 12
-
$2,610 AUD
£1,440 GBP
View
Price last confirmed 36 days ago
B+
Retailer 13
-
$2,704 AUD
ZAR 30,614 ZAR
View
Retailer 14
-
$2,992 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
$3,882 AUD
£2,142 GBP
View
Most Expensive
B
NZ Jewellers
0c9d224c-bc33-4999-bb6f-ec63abb3d2eb · Oct 30
$5,404 AUD
$3,787 USD
View
15 more retailers have this diamond
Prices start from $2,045 AUDSave up to $3,359 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
1.00ct Heart
$2,045 AUD