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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5373297754

Certificate GIA 5373297754

Diamond specifications and retailer prices

From $2,569 AUD
HK$14,100 HKD
As of November 1, 2026
Save $4,641 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,211 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 5373297754. Listed at 19 retailers as of October 30, 2026, with prices from $2,569 to $7,211, a $4,641 spread on the same certified stone. NZ Jewellers lists it at $7,211. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5373297754
Dimensions6.23 × 6.76 × 4.02 mm
L/W Ratio1.09
Top View
6.23 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5373297754
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,211 AUD|Low: $2,260 AUD|High: $7,211 AUD|Avg: $3,569 AUD|+12.6%
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 15$2,569 AUD
Retailer 7$3,025 AUD
Retailer 4$3,116 AUD
Retailer 5$3,183 AUD
Retailer 18$3,239 AUD
Retailer 2$3,364 AUD
Retailer 8$3,431 AUD
Retailer 9$3,449 AUD
Retailer 19$3,449 AUD
Retailer 10$3,568 AUD
Retailer 6$3,609 AUD
Retailer 3$3,649 AUD
Retailer 13$3,686 AUD
Retailer 11$3,766 AUD
Retailer 17$3,980 AUD
Retailer 16$4,240 AUD
Retailer 12$4,306 AUD
Retailer 14$6,042 AUD
NZ Jewellers$7,211 AUD

27 data points across 19 retailers

19 retailers$2,569 AUD to $7,211 AUD

B+
Cheapest Retailer
-
$2,569 AUD
HK$14,100 HKD
B+
Retailer 2
-
$3,025 AUD
$2,125 USD
View
B
Retailer 3
-
$3,116 AUD
$2,189 USD
View
B
Retailer 4
-
$3,183 AUD
$2,236 USD
View
Final sale: no returns
B
Retailer 5
-
$3,239 AUD
$2,275 USD
View
B
Retailer 6
-
$3,364 AUD
£1,861 GBP
View
B
Retailer 7
-
$3,431 AUD
$2,410 USD
View
B
Retailer 8
-
$3,449 AUD
$2,423 USD
View
B
Retailer 9
-
$3,449 AUD
$2,423 USD
View
B
Retailer 10
-
$3,568 AUD
SGD 3,387 SGD
View
B
Retailer 11
-
$3,609 AUD
$2,535 USD
View
B
Retailer 12
-
$3,649 AUD
$2,563 USD
View
B
Retailer 13
-
$3,686 AUD
£2,039 GBP
View
Retailer 14
-
$3,766 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
$3,980 AUD
$2,796 USD
View
B
Retailer 16
-
$4,240 AUD
ZAR 48,112 ZAR
View
B
Retailer 17
-
$4,306 AUD
€2,881 EUR
View
C
Retailer 18
-
$6,042 AUD
£3,342 GBP
View
Most Expensive
C
NZ Jewellers
6b5f2e47-1db7-4726-ab8a-80bb7a4a861b · Oct 30
$7,211 AUD
$5,065 USD
View
18 more retailers have this diamond
Prices start from $2,569 AUDSave up to $4,641 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.

B+
1.00ct Heart
$2,569 AUD