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Marquise|Natural|IGI

1.51ct J SI2 Marquise Natural Diamond

VG • J/SI2 • IGI 803677736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803677736

Diamond specifications and retailer prices

From $1,955 USD
As of November 5, 2026
Save $2,092 USD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,047 USD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 803677736. Listed at 6 retailers as of November 5, 2026, with prices from $1,955 to $4,047, a $2,092 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,047. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI 803677736
Dimensions10.72 × 5.79 × 3.81 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.72 mm5.79 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677736
Side View
Table 60.0%Crown 43.9°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 65.8%

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 5
Current: $2,354 USD|Low: $1,944 USD|High: $4,705 USD|Avg: $2,991 USD|-14.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 2$1,955 USD
Retailer 7$1,973 USD
Retailer 1$2,354 USD
Retailer 3$2,360 USD
Retailer 4$2,946 USD
Retailer 8$3,057 USD
Retailer 5$3,188 USD
Retailer 6$3,852 USD
Wholesale Diamonds Direct$4,047 USD

32 data points across 9 retailers

6 retailers$1,955 USD to $4,047 USD

A
Cheapest Retailer
-
$1,955 USD
A
Retailer 2
-
$2,354 USD
View
A
Retailer 3
-
$2,360 USD
View
B+
Retailer 4
-
$2,946 USD
View
B+
Retailer 5
-
$3,057 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936441 · Nov 6
$4,047 USD
View
5 more retailers have this diamond
Prices start from $1,955 USDSave up to $2,092 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
$1,955 USD