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Heart|Natural|GIA

1.00ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 6224165258

Certificate GIA 6224165258

Diamond specifications and retailer prices

From $2,233 AUD
As of November 6, 2026
Save $3,922 AUD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,155 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6224165258. Listed at 14 retailers as of November 5, 2026, with prices from $2,233 to $6,155, a $3,922 spread on the same certified stone. NZ Jewellers lists it at $6,155. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6224165258
Dimensions6.12 × 6.36 × 3.22 mm
L/W Ratio1.04
Top View
6.12 mm6.36 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6224165258
Side View
Table 56.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 50.6%

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 6
Current: $3,426 AUD|Low: $2,233 AUD|High: $4,474 AUD|Avg: $2,885 AUD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$2,233 AUD
Retailer 5$2,300 AUD
Retailer 7$2,468 AUD
Retailer 8$2,620 AUD
Retailer 6$2,640 AUD
Retailer 3$2,800 AUD
Retailer 2$3,080 AUD
Retailer 1$3,426 AUD
Retailer 4$4,420 AUD

45 data points across 9 retailers

14 retailers$2,233 AUD to $6,155 AUD

B+
Cheapest Retailer
-
$2,233 AUD
B+
Retailer 2
-
$2,300 AUD
View
B+
Retailer 3
-
$2,468 AUD
View
Retailer 4
-
$2,524 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,524 AUD
View
B+
Retailer 6
-
$2,620 AUD
View
B+
Retailer 7
-
$2,640 AUD
View
B
Retailer 8
-
$2,722 AUD
View
B+
Retailer 9
-
$2,800 AUD
View
B
Retailer 10
-
$2,912 AUD
View
B
Retailer 11
-
$3,080 AUD
View
B
Retailer 12
-
$3,426 AUD
View
B
Retailer 13
-
$4,420 AUD
View
Most Expensive
C
NZ Jewellers
20478dd3-fd83-414a-ae2f-ed155b99fa08 · Nov 5
$6,155 AUD
$4,229 USD
View
13 more retailers have this diamond
Prices start from $2,233 AUDSave up to $3,922 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
$2,233 AUD