Marquise|Natural|IGI

1.51ct J I1 Marquise Natural Diamond

VG • J/I1 • IGI 811694598

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 811694598

Diamond specifications and retailer prices

From $2,048 USD
₹195,083 INR
As of November 2, 2026
Save $3,348 USD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,396 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 J colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 811694598. Listed at 10 retailers as of October 30, 2026, with prices from $2,048 to $5,396, a $3,348 spread on the same certified stone. NZ Jewellers lists it at $5,396. 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
J
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle37.1°
OriginNatural
Grading LabIGI
CertificateIGI 811694598
Dimensions11.41 × 5.98 × 3.67 mm
L/W Ratio1.91
Girdle conditionFaceted
Top View
11.41 mm5.98 mm1.51 ctJ / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694598
Side View
Table 58.0%Crown 42.3°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 61.4%

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: $5,396 USD|Low: $2,048 USD|High: $5,554 USD|Avg: $2,770 USD|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$2,048 USD
Retailer 3$2,220 USD
Retailer 5$2,311 USD
Retailer 4$2,377 USD
Retailer 9$2,383 USD
Retailer 6$2,581 USD
Retailer 8$2,581 USD
Retailer 7$2,700 USD
Retailer 10$2,978 USD
NZ Jewellers$5,396 USD

12 data points across 10 retailers

10 retailers$2,048 USD to $5,396 USD

A
Cheapest Retailer
-
$2,048 USD
₹195,083 INR
A
Retailer 2
-
$2,220 USD
View
B+
Retailer 3
-
$2,311 USD
View
B+
Retailer 4
-
$2,377 USD
View
B+
Retailer 5
-
$2,383 USD
View
Final sale: no returns
B+
Retailer 6
-
$2,581 USD
View
B+
Retailer 7
-
$2,581 USD
View
B+
Retailer 8
-
$2,700 USD
View
B+
Retailer 9
-
$2,978 USD
View
Most Expensive
B+
NZ Jewellers
556e692e-8569-4c8f-bf0f-7ca0389884d8 · Oct 30
$5,396 USD
View
9 more retailers have this diamond
Prices start from $2,048 USDSave up to $3,348 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
$2,048 USD