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Oval|Natural|IGI

1.78ct M SI2 Oval Natural Diamond

VG • M/SI2 • IGI 534245983

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI 534245983

Diamond specifications and retailer prices

From $4,142 CAD
As of November 6, 2026
Save $3,985 CAD (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,127 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.78ct natural oval diamond

This 1.78ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 534245983. Listed at 9 retailers as of November 5, 2026, with prices from $4,142 to $8,127, a $3,985 spread on the same certified stone. NZ Jewellers lists it at $8,127. 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

1.78
Carat
M
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle35.4°
Pavilion angle30.9°
OriginNatural
Grading LabIGI
CertificateIGI 534245983
Dimensions8.31 × 6.04 × 4.35 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.31 mm6.04 mm1.78 ctM / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 534245983
Side View
Table 56.0%Crown 35.4°Girdle: MED-VTKPavilion 30.9°Culet: NoneDepth 72.0%

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 6
Current: $5,459 CAD|Low: $3,051 CAD|High: $7,535 CAD|Avg: $4,962 CAD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$3,051 CAD
Retailer 10$4,142 CAD
Retailer 4$4,352 CAD
Retailer 6$4,664 CAD
Retailer 3$4,666 CAD
Retailer 8$4,867 CAD
Retailer 5$5,383 CAD
Retailer 1$5,459 CAD
Retailer 7$5,550 CAD
Retailer 9$7,535 CAD

18 data points across 10 retailers

9 retailers$4,142 CAD to $8,127 CAD

B+
Cheapest Retailer
-
$4,142 CAD
B+
Retailer 2
-
$4,352 CAD
View
B
Retailer 3
-
$4,664 CAD
View
Retailer 4
-
$4,666 CAD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$4,844 CAD
View
B
Retailer 6
-
$4,867 CAD
View
B
Retailer 7
-
$5,383 CAD
View
B
Retailer 8
-
$5,459 CAD
View
Most Expensive
C
NZ Jewellers
873a39c3-eb57-4a1a-a547-6de8f25a720b · Nov 5
$8,127 CAD
$5,778 USD
View
8 more retailers have this diamond
Prices start from $4,142 CADSave up to $3,985 CAD

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+
1.78ct Oval
$4,142 CAD