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Marquise|Natural|IGI

1.50ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 843696740

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 843696740

Diamond specifications and retailer prices

From $7,540 NZD
₹404,025 INR
As of November 2, 2026
Save $8,611 NZD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,150 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 843696740. Listed at 16 retailers as of November 2, 2026, with prices from $7,540 to $16,150, a $8,611 spread on the same certified stone. NZ Jewellers lists it at $16,150. 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

1.50
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 843696740
Dimensions11.26 × 5.84 × 3.74 mm
L/W Ratio1.93
Girdle conditionFaceted
Top View
11.26 mm5.84 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 843696740
Side View
Table 57.0%Crown 37.8°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 64.0%

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: $16,150 NZD|Low: $7,540 NZD|High: $18,333 NZD|Avg: $10,985 NZD|-11.9%
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
Retailer 16
November 3, 2026
Retailer 12$7,540 NZD
Retailer 13$8,423 NZD
Retailer 8$8,769 NZD
Retailer 16$8,913 NZD
Retailer 5$9,153 NZD
Retailer 14$9,163 NZD
Retailer 2$9,607 NZD
Retailer 3$9,656 NZD
Retailer 10$9,656 NZD
Retailer 6$9,714 NZD
Retailer 7$9,779 NZD
Retailer 15$10,633 NZD
Retailer 11$11,142 NZD
Retailer 4$12,021 NZD
Retailer 9$15,380 NZD
NZ Jewellers$16,150 NZD

19 data points across 16 retailers

16 retailers$7,540 NZD to $16,150 NZD

A
Cheapest Retailer
-
$7,540 NZD
₹404,025 INR
A
Retailer 2
-
$8,423 NZD
$4,739 USD
View
A
Retailer 3
-
$8,769 NZD
$4,934 USD
View
A
Retailer 4
-
$8,913 NZD
$5,015 USD
View
Final sale: no returns
A
Retailer 5
-
$9,153 NZD
$5,150 USD
View
A
Retailer 6
-
$9,163 NZD
£4,059 GBP
View
A
Retailer 7
-
$9,607 NZD
£4,256 GBP
View
B+
Retailer 8
-
$9,656 NZD
$5,433 USD
View
A
Retailer 9
-
$9,656 NZD
$5,433 USD
View
A
Retailer 10
-
$9,714 NZD
$5,465 USD
View
Retailer 11
-
$9,779 NZD
$5,502 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$10,633 NZD
€5,698 EUR
View
B+
Retailer 13
-
$11,142 NZD
$6,269 USD
View
B+
Retailer 14
-
$12,021 NZD
ZAR 109,265 ZAR
View
B
Retailer 15
-
$15,380 NZD
£6,814 GBP
View
Most Expensive
B
NZ Jewellers
23bbefd9-0c06-49a8-807a-6b34138f14a2 · Nov 3
$16,150 NZD
$9,087 USD
View
15 more retailers have this diamond
Prices start from $7,540 NZDSave up to $8,611 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
1.50ct Marquise
$7,540 NZD