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Marquise|Natural|IGI

4.01ct J SI2 Marquise Natural Diamond

EX • J/SI2 • IGI 803677645

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803677645

Diamond specifications and retailer prices

From $23,860 USD
As of November 1, 2026
Save $7,308 USD (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $31,168 USD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 4.01ct natural marquise diamond

This 4.01ct natural marquise sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803677645. Listed at 7 retailers as of November 1, 2026, with prices from $23,860 to $31,168, a $7,308 spread on the same certified stone. The Diamond Guys lists it at $31,168. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.01
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 803677645
Dimensions15.75 × 8.31 × 5.26 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
15.75 mm8.31 mm4.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677645
Side View
Table 61.0%Crown 37.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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: $28,002 USD|Low: $21,183 USD|High: $34,760 USD|Avg: $28,512 USD|-12.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
November 2, 2026
Retailer 7$21,183 USD
Retailer 2$23,860 USD
Retailer 3$24,646 USD
Retailer 4$24,940 USD
Retailer 1$28,002 USD
Retailer 5$28,066 USD
Retailer 6$29,362 USD
The Diamond Guys$31,168 USD
Retailer 8$34,760 USD

32 data points across 9 retailers

7 retailers$23,860 USD to $31,168 USD

A
Cheapest Retailer
-
$23,860 USD
A
Retailer 2
-
$24,646 USD
SGD 33,306 SGD
View
A
Retailer 3
-
$24,940 USD
View
A
Retailer 4
-
$28,002 USD
€26,669 EUR
View
A
Retailer 5
-
$28,066 USD
View
Retailer 6
-
$29,362 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
The Diamond Guys
1963437864 · Nov 2
$31,168 USD
View
6 more retailers have this diamond
Prices start from $23,860 USDSave up to $7,308 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
4.01ct Marquise
$23,860 USD