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Marquise|Natural|IGI

1.51ct I I1 Marquise Natural Diamond

VG • I/I1 • IGI 712581706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 712581706

Diamond specifications and retailer prices

From $2,177 USD
As of November 1, 2026
Save $2,863 USD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,040 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 I1 clarity (included), with a very-good cut grade and certified by IGI 712581706. Listed at 7 retailers as of October 30, 2026, with prices from $2,177 to $5,040, a $2,863 spread on the same certified stone. NZ Jewellers lists it at $5,040. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 712581706
Dimensions11.00 × 6.19 × 3.76 mm
L/W Ratio1.78
Girdle conditionFaceted
Culet sizePointed
Top View
11.00 mm6.19 mm1.51 ctI / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 712581706
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,040 USD|Low: $1,893 USD|High: $5,040 USD|Avg: $2,823 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$1,893 USD
Retailer 7$2,177 USD
Retailer 2$2,411 USD
Retailer 5$2,411 USD
Retailer 6$2,522 USD
Retailer 3$2,782 USD
Retailer 4$3,010 USD
NZ Jewellers$5,040 USD

24 data points across 8 retailers

7 retailers$2,177 USD to $5,040 USD

B+
Cheapest Retailer
-
$2,177 USD
B+
Retailer 2
-
$2,411 USD
View
B+
Retailer 3
-
$2,411 USD
View
B+
Retailer 4
-
$2,522 USD
View
B+
Retailer 5
-
$2,782 USD
View
B+
Retailer 6
-
$3,010 USD
€2,867 EUR
View
Most Expensive
B+
NZ Jewellers
14daa5dc-e15a-47a9-a2d0-85f147491e8d · Oct 30
$5,040 USD
View
6 more retailers have this diamond
Prices start from $2,177 USDSave up to $2,863 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.

B+
1.51ct Marquise
$2,177 USD