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Heart|Natural|GIA

1.01ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5191662130

Certificate GIA 5191662130

Diamond specifications and retailer prices

From $1,634 AUD
₹109,076 INR
As of November 2, 2026
Save $3,674 AUD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,308 AUD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5191662130. Listed at 19 retailers as of October 30, 2026, with prices from $1,634 to $5,308, a $3,674 spread on the same certified stone. NZ Jewellers lists it at $5,308. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5191662130
Dimensions5.79 × 6.90 × 4.00 mm
L/W Ratio1.19
Top View
5.79 mm6.90 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5191662130
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 57.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,308 AUD|Low: $1,631 AUD|High: $5,308 AUD|Avg: $2,613 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
November 2, 2026
Retailer 5$1,634 AUD
Retailer 2$1,975 AUD
Retailer 10$2,009 AUD
Retailer 11$2,018 AUD
Retailer 6$2,151 AUD
Retailer 3$2,176 AUD
Retailer 9$2,176 AUD
Retailer 12$2,276 AUD
Retailer 7$2,428 AUD
Retailer 4$2,511 AUD
Retailer 8$3,813 AUD
NZ Jewellers$5,308 AUD

37 data points across 12 retailers

19 retailers$1,634 AUD to $5,308 AUD

A
Cheapest Retailer
-
$1,634 AUD
₹109,076 INR
A
Retailer 2
-
$1,975 AUD
$1,384 USD
View
B+
Retailer 3
-
$2,009 AUD
$1,408 USD
View
Final sale: no returns
A
Retailer 4
-
$2,018 AUD
$1,414 USD
View
A
Retailer 5
-
$2,151 AUD
£1,187 GBP
View
A
Retailer 6
-
$2,157 AUD
$1,512 USD
View
Retailer 7
-
$2,176 AUD
$1,525 USD
View
Price last confirmed 49 days ago
Retailer 8
-
$2,176 AUD
$1,525 USD
View
Price last confirmed 41 days ago
A
Retailer 9
-
$2,176 AUD
$1,525 USD
View
A
Retailer 10
-
$2,176 AUD
$1,525 USD
View
A
Retailer 11
-
$2,276 AUD
$1,595 USD
View
B+
Retailer 12
-
$2,370 AUD
$1,661 USD
View
B+
Retailer 13
-
$2,428 AUD
£1,340 GBP
View
Retailer 14
-
$2,511 AUD
$1,760 USD
View
Price last confirmed 57 days ago
Retailer 15
-
$2,511 AUD
$1,760 USD
View
Price last confirmed 39 days ago
B+
Retailer 16
-
$2,511 AUD
$1,760 USD
View
B
Retailer 17
-
$3,813 AUD
£2,104 GBP
View
Retailer 18
-
$5,308 AUD
$3,720 USD
View
Price last confirmed 38 days ago
Most Expensive
B
NZ Jewellers
0d2cbaaa-4d7a-4eb2-aec8-e83798a70f62 · Oct 30
$5,308 AUD
$3,720 USD
View
18 more retailers have this diamond
Prices start from $1,634 AUDSave up to $3,674 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
$1,634 AUD