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Oval|Natural|IGI

1.51ct H IF Oval Natural Diamond

VG • H/IF • IGI 825677439

Shape and cutting style on the report: Oval brilliant

Certificate IGI 825677439

Diamond specifications and retailer prices

From $10,854 AUD
As of November 4, 2026
Save $6,664 AUD (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $17,518 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 825677439. Listed at 5 retailers as of November 4, 2026, with prices from $10,854 to $17,518, a $6,664 spread on the same certified stone. MOH London lists it at $17,518. 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
H
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 825677439
Dimensions9.00 × 6.50 × 4.00 mm
L/W Ratio1.38
Girdle conditionFaceted
Top View
9.00 mm6.50 mm1.51 ctH / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 825677439
Side View
Table 64.0%Crown 37.5°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $17,518 AUD|Low: $10,335 AUD|High: $17,777 AUD|Avg: $12,864 AUD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$10,335 AUD
Retailer 5$10,854 AUD
Retailer 3$11,794 AUD
Retailer 2$13,694 AUD
MOH London$17,518 AUD

33 data points across 5 retailers

5 retailers$10,854 AUD to $17,518 AUD

Retailer 1
-
$10,335 AUD
Price last confirmed 9 days ago
A
Retailer 2
-
$10,854 AUD
View
A
Retailer 3
-
$11,794 AUD
View
B+
Retailer 4
-
$13,694 AUD
View
Most Expensive
B
MOH London
51D8B7287 · Nov 4
$17,518 AUD
£9,656 GBP
View
4 more retailers have this diamond
Prices start from $10,854 AUDSave up to $6,664 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
$10,854 AUD