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Round|Natural|IGI

1.20ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 670479737

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479737

Diamond specifications and retailer prices

From $2,491 AUD
As of November 4, 2026
Save $2,287 AUD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,925 AUD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct 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 670479737. Listed at 17 retailers as of November 4, 2026, with a 92% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 670479737
Dimensions6.73 × 6.79 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.73 mm6.79 mm1.20 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479737
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 4
Current: $2,544 AUD|Low: $2,491 AUD|High: $5,034 AUD|Avg: $3,209 AUD|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$2,491 AUD
Retailer 10$2,507 AUD
Retailer 1$2,544 AUD
Retailer 11$2,627 AUD
Retailer 3$2,840 AUD
Retailer 2$2,970 AUD
Retailer 4$3,003 AUD
Retailer 5$3,166 AUD
Retailer 7$3,337 AUD
Retailer 6$3,704 AUD
Retailer 9$4,778 AUD

31 data points across 11 retailers

17 retailers$2,491 AUD to $4,778 AUD

A
Cheapest Retailer
-
$2,491 AUD
A
Retailer 2
-
$2,507 AUD
View
A
Retailer 3
-
$2,544 AUD
View
A
Retailer 4
-
$2,627 AUD
View
Retailer 5
-
$2,770 AUD
View
Price last confirmed 44 days ago
Retailer 6
-
$2,840 AUD
View
Price last confirmed 21 days ago
Retailer 7
-
$2,840 AUD
View
Price last confirmed 19 days ago
Retailer 8
-
$2,970 AUD
View
Price last confirmed 22 days ago
A
Retailer 9
-
$3,003 AUD
View
A
Retailer 10
-
$3,166 AUD
View
Retailer 11
-
$3,196 AUD
View
Price last confirmed 45 days ago
Retailer 12
-
$3,276 AUD
View
Price last confirmed 19 days ago
A
Retailer 13
-
$3,337 AUD
View
B+
Retailer 14
-
$3,704 AUD
View
B
Retailer 15
-
$4,778 AUD
View
Retailer 16
-
$6,755 AUD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
15b0280f-d1b5-4f16-b7ea-45eb24be4c80 · Oct 17
$6,925 AUD
$4,848 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $2,491 AUDSave up to $2,287 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
1.20ct Round
$2,491 AUD