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Round|Natural|IGI

1.51ct I VS2 Round Natural Diamond

VG • I/VS2 • IGI 754512482

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512482

Diamond specifications and retailer prices

From $4,589 AUD
As of November 5, 2026
Save $5,344 AUD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,933 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 VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 754512482. Listed at 20 retailers as of November 5, 2026, with prices from $4,589 to $9,933, a $5,344 spread on the same certified stone. NZ Jewellers lists it at $9,933. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 754512482
Dimensions7.06 × 7.16 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.06 mm7.16 mm1.51 ctI / VS2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512482
Side View
Table 57.0%Crown 38.1°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 64.8%

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: $6,402 AUD|Low: $4,589 AUD|High: $9,649 AUD|Avg: $6,084 AUD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$4,589 AUD
Retailer 2$4,882 AUD
Retailer 5$5,203 AUD
Retailer 11$5,262 AUD
Retailer 3$5,438 AUD
Retailer 6$5,850 AUD
Retailer 8$6,041 AUD
Retailer 1$6,402 AUD
Retailer 7$6,480 AUD
Retailer 10$7,008 AUD
Retailer 9$9,535 AUD

27 data points across 11 retailers

20 retailers$4,589 AUD to $9,933 AUD

A
Cheapest Retailer
-
$4,589 AUD
A
Retailer 2
-
$4,882 AUD
View
A
Retailer 3
-
$5,018 AUD
View
A
Retailer 4
-
$5,203 AUD
View
A
Retailer 5
-
$5,262 AUD
View
Final sale: no returns
A
Retailer 6
-
$5,438 AUD
View
Retailer 7
-
$5,702 AUD
View
Price last confirmed 20 days ago
A
Retailer 8
-
$5,702 AUD
View
A
Retailer 9
-
$5,702 AUD
View
A
Retailer 10
-
$5,850 AUD
View
A
Retailer 11
-
$5,910 AUD
View
A
Retailer 12
-
$6,041 AUD
View
A
Retailer 13
-
$6,041 AUD
View
A
Retailer 14
-
$6,402 AUD
View
A
Retailer 15
-
$6,480 AUD
View
B+
Retailer 16
-
$6,579 AUD
View
A
Retailer 17
-
$7,008 AUD
View
B+
Retailer 18
-
$8,807 AUD
View
B+
Retailer 19
-
$9,535 AUD
View
Most Expensive
B+
NZ Jewellers
cca2d832-b7b2-4892-8806-eba5aa8e4a8f · Nov 5
$9,933 AUD
$6,968 USD
View
19 more retailers have this diamond
Prices start from $4,589 AUDSave up to $5,344 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
$4,589 AUD