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Round|Natural|IGI

1.51ct F VS1 Round Natural Diamond

EX • F/VS1 • IGI 754512585

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512585

Diamond specifications and retailer prices

From $11,119 AUD
As of November 5, 2026
Save $12,387 AUD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $23,506 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 754512585. Listed at 22 retailers as of November 5, 2026, with prices from $11,119 to $23,506, a $12,387 spread on the same certified stone. NZ Jewellers lists it at $23,506. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 754512585
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.27 mm7.31 mm1.51 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512585
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

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: $23,506 AUD|Low: $11,119 AUD|High: $23,506 AUD|Avg: $14,352 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
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
November 6, 2026
Retailer 16$11,119 AUD
Retailer 8$11,369 AUD
Retailer 21$11,421 AUD
Retailer 11$12,148 AUD
Retailer 17$12,717 AUD
Retailer 22$12,752 AUD
Retailer 3$12,864 AUD
Retailer 7$12,914 AUD
Retailer 10$12,974 AUD
Retailer 12$12,974 AUD
Retailer 19$13,088 AUD
Retailer 4$14,055 AUD
Retailer 13$14,181 AUD
Retailer 5$14,271 AUD
Retailer 6$14,371 AUD
Retailer 9$14,564 AUD
Retailer 14$14,959 AUD
Retailer 18$15,171 AUD
Retailer 15$16,216 AUD
Retailer 2$17,146 AUD
Retailer 20$19,535 AUD
NZ Jewellers$23,506 AUD

23 data points across 22 retailers

22 retailers$11,119 AUD to $23,506 AUD

A
Cheapest Retailer
-
$11,119 AUD
A
Retailer 2
-
$11,369 AUD
View
A
Retailer 3
-
$11,421 AUD
View
A
Retailer 4
-
$12,148 AUD
View
A
Retailer 5
-
$12,717 AUD
View
A
Retailer 6
-
$12,752 AUD
View
A
Retailer 7
-
$12,864 AUD
View
A
Retailer 8
-
$12,914 AUD
View
A
Retailer 9
-
$12,974 AUD
View
Final sale: no returns
Retailer 10
-
$12,974 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$13,088 AUD
View
A
Retailer 12
-
$14,055 AUD
View
A
Retailer 13
-
$14,181 AUD
View
A
Retailer 14
-
$14,271 AUD
View
A
Retailer 15
-
$14,371 AUD
View
A
Retailer 16
-
$14,564 AUD
View
B+
Retailer 17
-
$14,959 AUD
View
A
Retailer 18
-
$15,171 AUD
View
B+
Retailer 19
-
$16,216 AUD
View
B+
Retailer 20
-
$17,146 AUD
View
B
Retailer 21
-
$19,535 AUD
View
Most Expensive
B
NZ Jewellers
9243e89f-7cd7-4063-a6b9-2a3f8cf073e6 · Nov 5
$23,506 AUD
$16,455 USD
View
21 more retailers have this diamond
Prices start from $11,119 AUDSave up to $12,387 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
$11,119 AUD