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Marquise|Natural|IGI

1.51ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 842601422

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 842601422

Diamond specifications and retailer prices

From $10,387 NZD
$5,844 USD
As of November 1, 2026
Save $9,533 NZD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,920 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 842601422. Listed at 17 retailers as of October 30, 2026, with prices from $10,387 to $19,920, a $9,533 spread on the same certified stone. NZ Jewellers lists it at $19,920. 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

1.51
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 842601422
Dimensions11.31 × 5.97 × 3.87 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
11.31 mm5.97 mm1.51 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 842601422
Side View
Table 61.0%Crown 38.6°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 64.8%

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 1
Current: $19,920 NZD|Low: $10,387 NZD|High: $21,536 NZD|Avg: $13,431 NZD|-7.5%
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
Retailer 17
November 2, 2026
Retailer 8$10,387 NZD
Retailer 9$10,461 NZD
Retailer 5$10,509 NZD
Retailer 6$10,993 NZD
Retailer 16$10,994 NZD
Retailer 4$11,046 NZD
Retailer 2$11,064 NZD
Retailer 11$11,555 NZD
Retailer 13$11,910 NZD
Retailer 17$12,093 NZD
Retailer 7$12,893 NZD
Retailer 10$13,011 NZD
Retailer 15$13,742 NZD
Retailer 14$14,634 NZD
Retailer 3$15,574 NZD
Retailer 12$17,547 NZD
NZ Jewellers$19,920 NZD

23 data points across 17 retailers

17 retailers$10,387 NZD to $19,920 NZD

A
Cheapest Retailer
-
$10,387 NZD
$5,844 USD
Retailer 2
-
$10,461 NZD
₹560,544 INR
View
Price last confirmed 13 days ago
A
Retailer 3
-
$10,509 NZD
$5,913 USD
View
A
Retailer 4
-
$10,993 NZD
$6,185 USD
View
Final sale: no returns
A
Retailer 5
-
$10,994 NZD
$6,186 USD
View
A
Retailer 6
-
$11,046 NZD
$6,215 USD
View
A
Retailer 7
-
$11,064 NZD
£4,902 GBP
View
A
Retailer 8
-
$11,555 NZD
£5,119 GBP
View
A
Retailer 9
-
$11,910 NZD
$6,701 USD
View
A
Retailer 10
-
$12,093 NZD
$6,804 USD
View
A
Retailer 11
-
$12,893 NZD
£5,712 GBP
View
A
Retailer 12
-
$13,011 NZD
€6,972 EUR
View
A
Retailer 13
-
$13,742 NZD
$7,732 USD
View
A
Retailer 14
-
$14,634 NZD
ZAR 133,015 ZAR
View
B+
Retailer 15
-
$15,574 NZD
$8,763 USD
View
A
Retailer 16
-
$17,547 NZD
£7,774 GBP
View
Most Expensive
B+
NZ Jewellers
e7b22091-2ce1-4e14-b20c-137e77ee00d4 · Oct 30
$19,920 NZD
$11,208 USD
View
16 more retailers have this diamond
Prices start from $10,387 NZDSave up to $9,533 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
1.51ct Marquise
$10,387 NZD