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 $5,844 USD
As of November 1, 2026
Save $5,364 USD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,208 USD 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 $5,844 to $11,208, a $5,364 spread on the same certified stone. NZ Jewellers lists it at $11,208. 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $11,208 USD|Low: $5,844 USD|High: $12,117 USD|Avg: $7,555 USD|-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$5,844 USD
Retailer 9$5,886 USD
Retailer 5$5,913 USD
Retailer 6$6,185 USD
Retailer 16$6,186 USD
Retailer 4$6,215 USD
Retailer 11$6,226 USD
Retailer 10$6,502 USD
Retailer 13$6,701 USD
Retailer 17$6,804 USD
Retailer 7$7,254 USD
Retailer 2$7,321 USD
Retailer 15$7,732 USD
Retailer 14$8,234 USD
Retailer 3$8,763 USD
Retailer 12$9,873 USD
NZ Jewellers$11,208 USD

23 data points across 17 retailers

17 retailers$5,844 USD to $11,208 USD

A
Cheapest Retailer
-
$5,844 USD
Retailer 2
-
$5,886 USD
₹560,544 INR
View
Price last confirmed 12 days ago
A
Retailer 3
-
$5,913 USD
View
A
Retailer 4
-
$6,185 USD
View
Final sale: no returns
A
Retailer 5
-
$6,186 USD
View
A
Retailer 6
-
$6,215 USD
View
A
Retailer 7
-
$6,226 USD
£4,902 GBP
View
A
Retailer 8
-
$6,502 USD
£5,119 GBP
View
A
Retailer 9
-
$6,701 USD
View
A
Retailer 10
-
$6,804 USD
View
A
Retailer 11
-
$7,254 USD
£5,712 GBP
View
A
Retailer 12
-
$7,321 USD
€6,972 EUR
View
A
Retailer 13
-
$7,732 USD
View
A
Retailer 14
-
$8,234 USD
ZAR 133,015 ZAR
View
B+
Retailer 15
-
$8,763 USD
View
A
Retailer 16
-
$9,873 USD
£7,774 GBP
View
Most Expensive
B+
NZ Jewellers
e7b22091-2ce1-4e14-b20c-137e77ee00d4 · Oct 30
$11,208 USD
View
16 more retailers have this diamond
Prices start from $5,844 USDSave up to $5,364 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
1.51ct Marquise
$5,844 USD