Oval|Natural|IGI

1.70ct M SI2 Oval Natural Diamond

VG • M/SI2 • IGI 743558578

Shape and cutting style on the report: Oval brilliant

Certificate IGI 743558578

Diamond specifications and retailer prices

From $2,688 AUD
As of November 6, 2026
Save $6,388 AUD (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,076 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct 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 743558578. Listed at 13 retailers as of November 5, 2026, with prices from $2,688 to $9,076, a $6,388 spread on the same certified stone. NZ Jewellers lists it at $9,076. 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

1.70
Carat
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle32.7°
OriginNatural
Grading LabIGI
CertificateIGI 743558578
Dimensions10.22 × 6.50 × 3.81 mm
L/W Ratio1.57
Girdle conditionFaceted
Top View
10.22 mm6.50 mm1.70 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743558578
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 32.7°Culet: NoneDepth 58.6%

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: $9,076 AUD|Low: $2,688 AUD|High: $9,076 AUD|Avg: $4,436 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$2,688 AUD
Retailer 6$3,020 AUD
Retailer 8$3,427 AUD
Retailer 9$4,004 AUD
Retailer 4$4,007 AUD
Retailer 7$4,253 AUD
Retailer 10$4,341 AUD
Retailer 12$4,341 AUD
Retailer 5$4,440 AUD
Retailer 11$4,509 AUD
Retailer 3$5,009 AUD
NZ Jewellers$9,076 AUD

31 data points across 12 retailers

13 retailers$2,688 AUD to $9,076 AUD

A
Cheapest Retailer
-
$2,688 AUD
B+
Retailer 2
-
$3,020 AUD
View
B+
Retailer 3
-
$3,427 AUD
View
B+
Retailer 4
-
$4,004 AUD
View
B+
Retailer 5
-
$4,007 AUD
View
Final sale: no returns
B+
Retailer 6
-
$4,253 AUD
View
Retailer 7
-
$4,341 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,341 AUD
View
B+
Retailer 9
-
$4,440 AUD
View
B
Retailer 10
-
$4,509 AUD
View
B
Retailer 11
-
$4,548 AUD
View
B
Retailer 12
-
$5,009 AUD
View
Most Expensive
C
NZ Jewellers
71105089-3269-459f-87a3-bc7d69727d8e · Nov 5
$9,076 AUD
$6,236 USD
View
12 more retailers have this diamond
Prices start from $2,688 AUDSave up to $6,388 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
1.70ct Oval
$2,688 AUD