CaratHunter
Plans
Heart|Natural|GIA

1.00ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6542701297

Certificate GIA 6542701297

Diamond specifications and retailer prices

From $1,923 AUD
As of November 6, 2026
Save $3,160 AUD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,082 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded I 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 6542701297. Listed at 15 retailers as of November 5, 2026, with prices from $1,923 to $5,082, a $3,160 spread on the same certified stone. NZ Jewellers lists it at $5,082. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542701297
Dimensions5.99 × 7.00 × 4.15 mm
L/W Ratio1.17
Top View
5.99 mm7.00 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542701297
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 59.4%

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: $5,082 AUD|Low: $1,822 AUD|High: $5,082 AUD|Avg: $2,516 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 7, 2026
Retailer 6$1,923 AUD
Retailer 4$1,931 AUD
Retailer 10$2,020 AUD
Retailer 12$2,084 AUD
Retailer 14$2,084 AUD
Retailer 9$2,088 AUD
Retailer 13$2,180 AUD
Retailer 3$2,227 AUD
Retailer 8$2,292 AUD
Retailer 5$2,352 AUD
Retailer 15$2,404 AUD
Retailer 11$2,543 AUD
Retailer 7$2,810 AUD
Retailer 2$3,630 AUD
NZ Jewellers$5,082 AUD

35 data points across 15 retailers

15 retailers$1,923 AUD to $5,082 AUD

A
Cheapest Retailer
-
$1,923 AUD
Final sale: no returns
A
Retailer 2
-
$1,931 AUD
View
A
Retailer 3
-
$2,020 AUD
View
Retailer 4
-
$2,084 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$2,084 AUD
View
A
Retailer 6
-
$2,088 AUD
View
A
Retailer 7
-
$2,180 AUD
View
A
Retailer 8
-
$2,227 AUD
View
A
Retailer 9
-
$2,292 AUD
View
Retailer 10
-
$2,352 AUD
View
Price last confirmed 16 days ago
A
Retailer 11
-
$2,404 AUD
View
A
Retailer 12
-
$2,543 AUD
View
Retailer 13
-
$2,810 AUD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$3,630 AUD
View
Most Expensive
B
NZ Jewellers
e89ec0f3-5174-4a32-893e-05b0202c198d · Nov 5
$5,082 AUD
$3,492 USD
View
14 more retailers have this diamond
Prices start from $1,923 AUDSave up to $3,160 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
$1,923 AUD