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Heart|Natural|GIA

1.01ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 1379616165

Certificate GIA 1379616165

Diamond specifications and retailer prices

From $1,811 AUD
As of November 6, 2026
Save $4,378 AUD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,188 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct 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 1379616165. Listed at 18 retailers as of November 5, 2026, with prices from $1,811 to $6,188, a $4,378 spread on the same certified stone. NZ Jewellers lists it at $6,188. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1379616165
Dimensions6.12 × 6.35 × 4.00 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle, Indented Natural, Natural
Top View
6.12 mm6.35 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1379616165
Side View
Table 61.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 62.9%

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: $1,811 AUD|Low: $1,811 AUD|High: $4,499 AUD|Avg: $2,872 AUD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$1,811 AUD
Retailer 10$1,844 AUD
Retailer 2$2,445 AUD
Retailer 3$2,461 AUD
Retailer 9$2,467 AUD
Retailer 5$2,560 AUD
Retailer 6$2,815 AUD
Retailer 7$3,096 AUD
Retailer 4$3,445 AUD
Retailer 8$4,432 AUD

27 data points across 10 retailers

18 retailers$1,811 AUD to $6,188 AUD

A
Cheapest Retailer
-
$1,811 AUD
A
Retailer 2
-
$1,844 AUD
View
B+
Retailer 3
-
$2,445 AUD
View
B+
Retailer 4
-
$2,461 AUD
View
B+
Retailer 5
-
$2,467 AUD
View
Retailer 6
-
$2,537 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,537 AUD
View
B+
Retailer 8
-
$2,560 AUD
View
B+
Retailer 9
-
$2,655 AUD
View
B
Retailer 10
-
$2,736 AUD
View
B
Retailer 11
-
$2,771 AUD
View
B
Retailer 12
-
$2,815 AUD
View
B
Retailer 13
-
$2,927 AUD
View
B
Retailer 14
-
$3,096 AUD
View
B
Retailer 15
-
$3,445 AUD
View
B
Retailer 16
-
$4,432 AUD
View
B
Retailer 17
-
$4,835 AUD
View
Most Expensive
C
NZ Jewellers
4b47987b-8a0b-42b7-a750-6590096d8bd8 · Nov 5
$6,188 AUD
$4,252 USD
View
17 more retailers have this diamond
Prices start from $1,811 AUDSave up to $4,378 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
1.01ct Heart
$1,811 AUD