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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 1489291904

Certificate GIA 1489291904

Diamond specifications and retailer prices

From $2,387 AUD
HK$13,100 HKD
As of November 1, 2026
Save $4,321 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,708 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 1489291904. Listed at 19 retailers as of October 30, 2026, with prices from $2,387 to $6,708, a $4,321 spread on the same certified stone. NZ Jewellers lists it at $6,708. 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
SymmetryExcellent
FluorescenceNone
Crown angle1°
Pavilion angle1°
OriginNatural
Grading LabGIA
CertificateGIA 1489291904
Dimensions5.79 × 6.76 × 4.17 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
5.79 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489291904
Side View
Table 58.0%Crown 1°Girdle: ETK-ETKPavilion 1°Culet: NoneDepth 61.7%

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: $6,708 AUD|Low: $2,362 AUD|High: $6,869 AUD|Avg: $3,765 AUD|-2.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 12$2,387 AUD
Retailer 5$2,813 AUD
Retailer 4$2,898 AUD
Retailer 7$2,961 AUD
Retailer 16$3,037 AUD
Retailer 3$3,209 AUD
Retailer 9$3,209 AUD
Retailer 19$3,217 AUD
Retailer 8$3,314 AUD
Retailer 15$3,357 AUD
Retailer 18$3,407 AUD
Retailer 2$3,521 AUD
Retailer 17$3,701 AUD
Retailer 6$3,743 AUD
Retailer 13$3,944 AUD
Retailer 11$4,045 AUD
Retailer 10$4,610 AUD
Retailer 14$5,652 AUD
NZ Jewellers$6,708 AUD

45 data points across 19 retailers

19 retailers$2,387 AUD to $6,708 AUD

A
Cheapest Retailer
-
$2,387 AUD
HK$13,100 HKD
B+
Retailer 2
-
$2,813 AUD
$1,976 USD
View
B+
Retailer 3
-
$2,898 AUD
$2,036 USD
View
B+
Retailer 4
-
$2,961 AUD
$2,080 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,037 AUD
$2,133 USD
View
B+
Retailer 6
-
$3,209 AUD
$2,254 USD
View
B+
Retailer 7
-
$3,209 AUD
$2,254 USD
View
B+
Retailer 8
-
$3,217 AUD
$2,260 USD
View
B
Retailer 9
-
$3,314 AUD
SGD 3,146 SGD
View
B
Retailer 10
-
$3,357 AUD
$2,358 USD
View
B
Retailer 11
-
$3,407 AUD
$2,393 USD
View
B+
Retailer 12
-
$3,521 AUD
£1,947 GBP
View
B+
Retailer 13
-
$3,701 AUD
$2,600 USD
View
B
Retailer 14
-
$3,743 AUD
$2,629 USD
View
B
Retailer 15
-
$3,944 AUD
ZAR 44,752 ZAR
View
Retailer 16
-
$4,045 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$4,610 AUD
$3,238 USD
View
B
Retailer 18
-
$5,652 AUD
£3,126 GBP
View
Most Expensive
B
NZ Jewellers
468513ec-9b8d-4a44-bbbc-c7da6172cc2c · Oct 30
$6,708 AUD
$4,712 USD
View
18 more retailers have this diamond
Prices start from $2,387 AUDSave up to $4,321 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
$2,387 AUD