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Round|Natural|IGI

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 607320351

Shape and cutting style on the report: Round brilliant

Certificate IGI 607320351

Diamond specifications and retailer prices

From $4,824 AUD
As of November 5, 2026
Save $6,299 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,123 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 607320351. Listed at 18 retailers as of November 5, 2026, with prices from $4,824 to $11,123, a $6,299 spread on the same certified stone. NZ Jewellers lists it at $11,123. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.2°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 607320351
Dimensions7.33 × 7.29 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.33 mm7.29 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 607320351
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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 5
Current: $11,123 AUD|Low: $4,824 AUD|High: $11,123 AUD|Avg: $6,859 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 9$4,824 AUD
Retailer 16$5,618 AUD
Retailer 3$5,893 AUD
Retailer 15$6,044 AUD
Retailer 12$6,342 AUD
Retailer 5$6,385 AUD
Retailer 6$6,385 AUD
Retailer 13$6,493 AUD
Retailer 10$6,547 AUD
Retailer 14$6,597 AUD
Retailer 4$6,800 AUD
Retailer 2$7,177 AUD
Retailer 7$7,367 AUD
Retailer 8$7,588 AUD
Retailer 11$10,141 AUD
NZ Jewellers$11,123 AUD

24 data points across 16 retailers

18 retailers$4,824 AUD to $11,123 AUD

A
Cheapest Retailer
-
$4,824 AUD
A
Retailer 2
-
$5,618 AUD
View
A
Retailer 3
-
$5,646 AUD
View
A
Retailer 4
-
$5,893 AUD
View
Final sale: no returns
A
Retailer 5
-
$6,044 AUD
View
Retailer 6
-
$6,174 AUD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$6,342 AUD
View
A
Retailer 8
-
$6,385 AUD
View
A
Retailer 9
-
$6,385 AUD
View
A
Retailer 10
-
$6,493 AUD
View
A
Retailer 11
-
$6,547 AUD
View
A
Retailer 12
-
$6,597 AUD
View
A
Retailer 13
-
$6,800 AUD
View
A
Retailer 14
-
$7,177 AUD
View
A
Retailer 15
-
$7,367 AUD
View
A
Retailer 16
-
$7,588 AUD
View
B+
Retailer 17
-
$10,141 AUD
View
Most Expensive
B+
NZ Jewellers
9852cf93-507e-432a-9a62-756e764d9223 · Nov 5
$11,123 AUD
$7,803 USD
View
17 more retailers have this diamond
Prices start from $4,824 AUDSave up to $6,299 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
1.51ct Round
$4,824 AUD