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Round|Natural|IGI

1.30ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 816643915

Shape and cutting style on the report: Round brilliant

Certificate IGI 816643915

Diamond specifications and retailer prices

From $2,906 AUD
As of November 6, 2026
Save $4,606 AUD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,513 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 816643915. Listed at 15 retailers as of November 2, 2026, with prices from $2,906 to $7,513, a $4,606 spread on the same certified stone. NZ Jewellers lists it at $7,513. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 816643915
Dimensions6.89 × 6.93 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.89 mm6.93 mm1.30 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643915
Side View
Table 59.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.6°CuletDepth 62.0%

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: $7,513 AUD|Low: $2,906 AUD|High: $7,513 AUD|Avg: $4,204 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$2,906 AUD
Retailer 3$3,343 AUD
Retailer 6$3,593 AUD
Retailer 8$3,759 AUD
Retailer 9$4,148 AUD
Retailer 5$4,385 AUD
Retailer 4$4,554 AUD
Retailer 7$6,279 AUD
NZ Jewellers$7,513 AUD

40 data points across 9 retailers

15 retailers$2,906 AUD to $7,513 AUD

A
Cheapest Retailer
-
$2,906 AUD
A
Retailer 2
-
$3,343 AUD
View
A
Retailer 3
-
$3,585 AUD
View
A
Retailer 4
-
$3,593 AUD
View
A
Retailer 5
-
$3,593 AUD
View
A
Retailer 6
-
$3,759 AUD
View
A
Retailer 7
-
$3,797 AUD
View
Retailer 8
-
$4,146 AUD
View
Price last confirmed 68 days ago
B+
Retailer 9
-
$4,146 AUD
View
B+
Retailer 10
-
$4,148 AUD
View
A
Retailer 11
-
$4,385 AUD
View
B+
Retailer 12
-
$4,554 AUD
View
B
Retailer 13
-
$6,279 AUD
View
B
Retailer 14
-
$7,513 AUD
View
Most Expensive
B
NZ Jewellers
842b8dbd-3d97-4cc0-adc5-77562372d3d4 · Nov 2
$7,513 AUD
$5,162 USD
View
14 more retailers have this diamond
Prices start from $2,906 AUDSave up to $4,606 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
1.30ct Round
$2,906 AUD