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Marquise|Natural|IGI

1.70ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 743559063

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743559063

Diamond specifications and retailer prices

From $8,217 NZD
₹440,289 INR
As of November 2, 2026
Save $8,728 NZD (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,945 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural marquise diamond

This 1.7ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559063. Listed at 15 retailers as of October 30, 2026, with prices from $8,217 to $16,945, a $8,728 spread on the same certified stone. NZ Jewellers lists it at $16,945. 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
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle41.2°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 743559063
Dimensions11.97 × 6.30 × 3.70 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
11.97 mm6.30 mm1.70 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateIGI 743559063
Side View
Table 62.0%Crown 41.2°Girdle: MED-THKPavilion 37.3°Culet: NoneDepth 58.7%

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 2
Current: $16,945 NZD|Low: $7,857 NZD|High: $17,087 NZD|Avg: $10,671 NZD|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 2$8,217 NZD
Retailer 3$8,709 NZD
Retailer 5$8,769 NZD
Retailer 11$9,142 NZD
Retailer 15$9,352 NZD
Retailer 6$9,539 NZD
Retailer 8$9,882 NZD
Retailer 12$10,131 NZD
Retailer 13$10,131 NZD
Retailer 14$10,131 NZD
Retailer 7$10,255 NZD
Retailer 9$11,464 NZD
Retailer 4$11,689 NZD
Retailer 10$16,137 NZD
NZ Jewellers$16,945 NZD

27 data points across 15 retailers

15 retailers$8,217 NZD to $16,945 NZD

A
Cheapest Retailer
-
$8,217 NZD
₹440,289 INR
A
Retailer 2
-
$8,709 NZD
$4,900 USD
View
A
Retailer 3
-
$8,769 NZD
$4,934 USD
View
B+
Retailer 4
-
$9,142 NZD
$5,144 USD
View
B+
Retailer 5
-
$9,352 NZD
$5,262 USD
View
Final sale: no returns
B+
Retailer 6
-
$9,539 NZD
$5,367 USD
View
B+
Retailer 7
-
$9,882 NZD
£4,378 GBP
View
B+
Retailer 8
-
$10,131 NZD
$5,700 USD
View
B+
Retailer 9
-
$10,131 NZD
$5,700 USD
View
B+
Retailer 10
-
$10,131 NZD
$5,700 USD
View
B+
Retailer 11
-
$10,255 NZD
$5,770 USD
View
B+
Retailer 12
-
$11,464 NZD
€6,143 EUR
View
B+
Retailer 13
-
$11,689 NZD
$6,577 USD
View
B
Retailer 14
-
$16,137 NZD
£7,149 GBP
View
Most Expensive
B
NZ Jewellers
c86ab5dd-c8c7-47a5-85e8-02e36dba8c9c · Oct 30
$16,945 NZD
$9,534 USD
View
14 more retailers have this diamond
Prices start from $8,217 NZDSave up to $8,728 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 Marquise
$8,217 NZD