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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 $4,623 USD
₹440,289 INR
As of November 2, 2026
Save $4,911 USD (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,534 USD 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 $4,623 to $9,534, a $4,911 spread on the same certified stone. NZ Jewellers lists it at $9,534. 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
Color
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: $9,534 USD|Low: $4,421 USD|High: $9,614 USD|Avg: $6,004 USD|-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$4,623 USD
Retailer 3$4,900 USD
Retailer 5$4,934 USD
Retailer 11$5,144 USD
Retailer 15$5,262 USD
Retailer 6$5,367 USD
Retailer 8$5,560 USD
Retailer 12$5,700 USD
Retailer 13$5,700 USD
Retailer 14$5,700 USD
Retailer 7$5,770 USD
Retailer 9$6,450 USD
Retailer 4$6,577 USD
Retailer 10$9,079 USD
NZ Jewellers$9,534 USD

27 data points across 15 retailers

15 retailers$4,623 USD to $9,534 USD

A
Cheapest Retailer
-
$4,623 USD
₹440,289 INR
A
Retailer 2
-
$4,900 USD
View
A
Retailer 3
-
$4,934 USD
View
B+
Retailer 4
-
$5,144 USD
View
B+
Retailer 5
-
$5,262 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,367 USD
View
B+
Retailer 7
-
$5,560 USD
£4,378 GBP
View
B+
Retailer 8
-
$5,700 USD
View
B+
Retailer 9
-
$5,700 USD
View
B+
Retailer 10
-
$5,700 USD
View
B+
Retailer 11
-
$5,770 USD
View
B+
Retailer 12
-
$6,450 USD
€6,143 EUR
View
B+
Retailer 13
-
$6,577 USD
View
B
Retailer 14
-
$9,079 USD
£7,149 GBP
View
Most Expensive
B
NZ Jewellers
c86ab5dd-c8c7-47a5-85e8-02e36dba8c9c · Oct 30
$9,534 USD
View
14 more retailers have this diamond
Prices start from $4,623 USDSave up to $4,911 USD

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
$4,623 USD