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Round|Natural|IGI

1.06ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 805671580

Shape and cutting style on the report: Round brilliant

Certificate IGI 805671580

Diamond specifications and retailer prices

From $2,508 AUD
As of November 4, 2026
Save $321 AUD (11%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,280 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.06ct natural round diamond

This 1.06ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 805671580. Listed at 8 retailers as of October 31, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 805671580
Dimensions6.48 × 6.51 × 4.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.48 mm6.51 mm1.06 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 805671580
Side View
Table 56.0%Crown 35.5°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $6,280 AUD|Low: $2,407 AUD|High: $6,280 AUD|Avg: $3,478 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$2,416 AUD
Retailer 6$2,508 AUD
Retailer 7$2,574 AUD
Retailer 2$2,578 AUD
Retailer 5$2,694 AUD
Retailer 9$2,830 AUD
Retailer 8$3,431 AUD
Retailer 10$4,160 AUD
Retailer 4$4,535 AUD
NZ Jewellers$6,280 AUD

24 data points across 10 retailers

8 retailers$2,508 AUD to $2,830 AUD

Retailer 1
-
$2,416 AUD
Price last confirmed 7 days ago
A
Retailer 2
-
$2,508 AUD
View
Retailer 3
-
$2,574 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,578 AUD
View
Retailer 5
-
$2,694 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,830 AUD
View
Retailer 7
-
$4,535 AUD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
06fc0f63-6fa9-4574-b694-7ba2ef951c8a · Oct 30
$6,280 AUD
$4,396 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $2,508 AUDSave up to $321 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
1.06ct Round
$2,508 AUD