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Oval|Natural|IGI

1.51ct E I1 Oval Natural Diamond

VG • E/I1 • IGI 705538814

Shape and cutting style on the report: Oval brilliant

Certificate IGI 705538814

Diamond specifications and retailer prices

From $4,743 AUD
$3,332 USD
As of October 30, 2026
Save $4,565 AUD (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,309 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 E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 705538814. Listed at 9 retailers as of October 30, 2026, with prices from $4,743 to $9,309, a $4,565 spread on the same certified stone. NZ Jewellers lists it at $9,309. 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
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle30.8°
OriginNatural
Grading LabIGI
CertificateIGI 705538814
Dimensions9.83 × 6.30 × 3.55 mm
L/W Ratio1.56
Girdle conditionFaceted
Culet sizePointed
Top View
9.83 mm6.30 mm1.51 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 705538814
Side View
Table 57.0%Crown 37.3°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 56.3%

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: Oct 30
Current: $9,309 AUD|Low: $4,210 AUD|High: $9,309 AUD|Avg: $5,720 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 8$4,210 AUD
Retailer 4$4,577 AUD
Retailer 11$4,743 AUD
Retailer 9$5,266 AUD
Retailer 6$5,343 AUD
Retailer 10$5,343 AUD
Retailer 5$5,549 AUD
Retailer 2$6,057 AUD
Retailer 7$6,166 AUD
Retailer 3$6,358 AUD
NZ Jewellers$9,309 AUD

20 data points across 11 retailers

9 retailers$4,743 AUD to $9,309 AUD

Retailer 1
-
$4,577 AUD
$3,215 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$4,743 AUD
$3,332 USD
View
B+
Retailer 3
-
$5,266 AUD
$3,699 USD
View
B+
Retailer 4
-
$5,343 AUD
$3,753 USD
View
B+
Retailer 5
-
$5,343 AUD
$3,753 USD
View
B+
Retailer 6
-
$5,549 AUD
$3,898 USD
View
B+
Retailer 7
-
$6,057 AUD
€4,052 EUR
View
B+
Retailer 8
-
$6,166 AUD
$4,331 USD
View
Most Expensive
B
NZ Jewellers
56dec6fa-478f-468f-ae4b-89d413a470d0 · Oct 30
$9,309 AUD
$6,539 USD
View
8 more retailers have this diamond
Prices start from $4,743 AUDSave up to $4,565 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
$4,743 AUD