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Oval|Natural|IGI

1.51ct I I1 Oval Natural Diamond

VG • I/I1 • IGI 698538835

Shape and cutting style on the report: Oval brilliant

Certificate IGI 698538835

Diamond specifications and retailer prices

From $2,173 AUD
$1,523 USD
As of November 1, 2026
Save $3,647 AUD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,820 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 I1 clarity (included), with a very-good cut grade and certified by IGI 698538835. Listed at 6 retailers as of October 30, 2026, with prices from $2,173 to $5,820, a $3,647 spread on the same certified stone. NZ Jewellers lists it at $5,820. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 698538835
Dimensions8.55 × 6.41 × 4.17 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Top View
8.55 mm6.41 mm1.51 ctI / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 698538835
Side View
Table 62.0%Crown 37.1°Girdle: THK-VTKPavilion 41.4°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,820 AUD|Low: $2,102 AUD|High: $6,391 AUD|Avg: $3,098 AUD|+0.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$2,173 AUD
Retailer 5$2,386 AUD
Retailer 6$2,386 AUD
Retailer 2$2,496 AUD
Retailer 3$2,752 AUD
Retailer 7$3,118 AUD
NZ Jewellers$5,820 AUD

33 data points across 7 retailers

6 retailers$2,173 AUD to $5,820 AUD

B+
Cheapest Retailer
-
$2,173 AUD
$1,523 USD
B+
Retailer 2
-
$2,386 AUD
$1,672 USD
View
B+
Retailer 3
-
$2,386 AUD
$1,672 USD
View
B+
Retailer 4
-
$2,496 AUD
$1,749 USD
View
B+
Retailer 5
-
$2,752 AUD
$1,929 USD
View
Most Expensive
B+
NZ Jewellers
3b7817cc-03af-40b3-ae74-195aa5eb9ea3 · Oct 30
$5,820 AUD
$4,079 USD
View
5 more retailers have this diamond
Prices start from $2,173 AUDSave up to $3,647 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.

B+
1.51ct Oval
$2,173 AUD