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1.70ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 539240166

Shape and cutting style on the report: Round brilliant

Certificate IGI 539240166

Diamond specifications and retailer prices

From $1,382 NZD
As of November 5, 2026
Save $3,593 NZD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,976 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 539240166. Listed at 8 retailers as of November 5, 2026, with prices from $1,382 to $4,976, a $3,593 spread on the same certified stone. NZ Jewellers lists it at $4,976. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 539240166
Dimensions7.51 × 7.56 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.51 mm7.56 mm1.70 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 539240166
Side View
Table 58.0%Crown 36.3°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.3%

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 5
Current: $4,976 NZD|Low: $1,382 NZD|High: $4,976 NZD|Avg: $2,416 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2$1,382 NZD
Retailer 4$1,953 NZD
Retailer 7$2,040 NZD
Retailer 9$2,040 NZD
Retailer 6$2,119 NZD
Retailer 10$2,183 NZD
Retailer 11$2,277 NZD
Retailer 8$2,353 NZD
Retailer 3$2,426 NZD
Retailer 5$2,740 NZD
NZ Jewellers$4,976 NZD

44 data points across 11 retailers

8 retailers$1,382 NZD to $4,976 NZD

A
Cheapest Retailer
-
$1,382 NZD
B+
Retailer 2
-
$1,953 NZD
View
Retailer 3
-
$2,040 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$2,040 NZD
View
B+
Retailer 5
-
$2,119 NZD
View
B+
Retailer 6
-
$2,277 NZD
View
B+
Retailer 7
-
$2,353 NZD
View
Most Expensive
B+
NZ Jewellers
651c7010-a8af-4a21-9def-7a2a13bc1f54 · Nov 5
$4,976 NZD
$2,797 USD
View
7 more retailers have this diamond
Prices start from $1,382 NZDSave up to $3,593 NZD

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 Round
$1,382 NZD