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Oval|Natural|IGI

1.51ct I VS1 Oval Natural Diamond

VG • I/VS1 • IGI 801639230

Shape and cutting style on the report: Oval brilliant

Certificate IGI 801639230

Diamond specifications and retailer prices

From $5,329 AUD
$3,735 USD
As of November 1, 2026
Save $5,544 AUD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,873 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 801639230. Listed at 17 retailers as of October 30, 2026, with prices from $5,329 to $10,873, a $5,544 spread on the same certified stone. NZ Jewellers lists it at $10,873. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 801639230
Dimensions8.53 × 6.33 × 4.07 mm
L/W Ratio1.35
Girdle conditionFaceted
Top View
8.53 mm6.33 mm1.51 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801639230
Side View
Table 65.0%Crown 41.1°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 64.3%

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 1
Current: $10,873 AUD|Low: $5,280 AUD|High: $11,260 AUD|Avg: $7,059 AUD|-3.4%
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
Retailer 17
November 2, 2026
Retailer 4$5,329 AUD
Retailer 6$5,492 AUD
Retailer 15$5,579 AUD
Retailer 5$5,760 AUD
Retailer 10$5,798 AUD
Retailer 7$5,915 AUD
Retailer 3$6,241 AUD
Retailer 14$6,241 AUD
Retailer 17$6,241 AUD
Retailer 8$6,453 AUD
Retailer 12$6,504 AUD
Retailer 11$7,063 AUD
Retailer 16$7,202 AUD
Retailer 9$7,241 AUD
Retailer 13$7,672 AUD
Retailer 2$9,940 AUD
NZ Jewellers$10,873 AUD

35 data points across 17 retailers

17 retailers$5,329 AUD to $10,873 AUD

A
Cheapest Retailer
-
$5,329 AUD
$3,735 USD
A
Retailer 2
-
$5,492 AUD
$3,849 USD
View
A
Retailer 3
-
$5,579 AUD
$3,910 USD
View
A
Retailer 4
-
$5,760 AUD
$4,037 USD
View
Final sale: no returns
A
Retailer 5
-
$5,798 AUD
£3,199 GBP
View
A
Retailer 6
-
$5,915 AUD
$4,145 USD
View
A
Retailer 7
-
$6,241 AUD
$4,374 USD
View
A
Retailer 8
-
$6,241 AUD
$4,374 USD
View
A
Retailer 9
-
$6,241 AUD
$4,374 USD
View
A
Retailer 10
-
$6,453 AUD
$4,523 USD
View
A
Retailer 11
-
$6,504 AUD
£3,589 GBP
View
A
Retailer 12
-
$7,063 AUD
€4,714 EUR
View
A
Retailer 13
-
$7,202 AUD
$5,047 USD
View
A
Retailer 14
-
$7,241 AUD
£3,996 GBP
View
A
Retailer 15
-
$7,672 AUD
ZAR 86,856 ZAR
View
B+
Retailer 16
-
$9,940 AUD
£5,485 GBP
View
Most Expensive
B+
NZ Jewellers
5d491467-f87d-4aa0-9053-bdac64dfc9f0 · Oct 30
$10,873 AUD
$7,620 USD
View
16 more retailers have this diamond
Prices start from $5,329 AUDSave up to $5,544 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 Oval
$5,329 AUD