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Oval|Natural|IGI

1.51ct K VS2 Oval Natural Diamond

VG • K/VS2 • IGI 648418609

Shape and cutting style on the report: Oval brilliant

Certificate IGI 648418609

Diamond specifications and retailer prices

From $3,726 AUD
As of November 6, 2026
Save $5,352 AUD (59%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,077 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 648418609. Listed at 19 retailers as of November 5, 2026, with prices from $3,726 to $9,077, a $5,352 spread on the same certified stone. NZ Jewellers lists it at $9,077. 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
K
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle35.4°
OriginNatural
Grading LabIGI
CertificateIGI 648418609
Dimensions9.27 × 6.34 × 3.83 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Top View
9.27 mm6.34 mm1.51 ctK / VS2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 648418609
Side View
Table 61.0%Crown 33.4°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 60.4%

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 6
Current: $3,726 AUD|Low: $3,726 AUD|High: $8,818 AUD|Avg: $5,664 AUD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$3,726 AUD
Retailer 6$4,672 AUD
Retailer 2$4,985 AUD
Retailer 7$5,436 AUD
Retailer 3$5,490 AUD
Retailer 4$6,359 AUD
Retailer 5$8,689 AUD

28 data points across 7 retailers

19 retailers$3,726 AUD to $9,077 AUD

A
Cheapest Retailer
-
$3,726 AUD
B+
Retailer 2
-
$4,470 AUD
View
B+
Retailer 3
-
$4,625 AUD
View
B+
Retailer 4
-
$4,672 AUD
View
A
Retailer 5
-
$4,985 AUD
View
B+
Retailer 6
-
$5,007 AUD
View
Retailer 7
-
$5,210 AUD
View
Price last confirmed 42 days ago
B+
Retailer 8
-
$5,210 AUD
View
Retailer 9
-
$5,210 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$5,410 AUD
View
B+
Retailer 11
-
$5,420 AUD
View
B+
Retailer 12
-
$5,436 AUD
View
B+
Retailer 13
-
$5,490 AUD
View
Retailer 14
-
$6,011 AUD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$6,011 AUD
View
B+
Retailer 16
-
$6,359 AUD
View
B
Retailer 17
-
$8,689 AUD
View
Retailer 18
-
$9,077 AUD
View
Price last confirmed 39 days ago
Most Expensive
B
NZ Jewellers
845d1640-aaa2-4768-8632-8ab0f2a088d8 · Nov 5
$9,077 AUD
$6,237 USD
View
18 more retailers have this diamond
Prices start from $3,726 AUDSave up to $5,352 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
$3,726 AUD