Marquise|Natural|IGI

4.02ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 828640242

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 828640242

Diamond specifications and retailer prices

From $35,390 USD
₹3,370,511 INR
As of November 2, 2026
Save $28,578 USD (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $63,969 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.02ct natural marquise diamond

This 4.02ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 828640242. Listed at 18 retailers as of November 1, 2026, with prices from $35,390 to $63,969, a $28,578 spread on the same certified stone. MOH London lists it at $63,969. 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

4.02
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle36.3°
OriginNatural
Grading LabIGI
CertificateIGI 828640242
Dimensions15.46 × 8.01 × 5.04 mm
L/W Ratio1.93
Girdle conditionFaceted
Top View
15.46 mm8.01 mm4.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828640242
Side View
Table 60.0%Crown 39.3°Girdle: MED-THKPavilion 36.3°CuletDepth 62.9%

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: $63,969 USD|Low: $35,390 USD|High: $64,740 USD|Avg: $45,741 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$35,390 USD
Retailer 10$40,973 USD
Retailer 9$41,444 USD
Retailer 6$41,925 USD
Retailer 11$43,815 USD
Retailer 4$44,849 USD
Retailer 8$46,887 USD
Retailer 3$47,095 USD
Retailer 5$48,099 USD
Retailer 7$51,328 USD
MOH London$63,969 USD

33 data points across 11 retailers

18 retailers$35,390 USD to $63,969 USD

A
Cheapest Retailer
-
$35,390 USD
₹3,370,511 INR
B+
Retailer 2
-
$40,973 USD
View
B+
Retailer 3
-
$41,444 USD
View
Final sale: no returns
B+
Retailer 4
-
$41,925 USD
£33,012 GBP
View
B+
Retailer 5
-
$42,666 USD
View
B+
Retailer 6
-
$43,815 USD
View
B+
Retailer 7
-
$44,849 USD
£35,314 GBP
View
B+
Retailer 8
-
$45,211 USD
View
B+
Retailer 9
-
$46,887 USD
View
B+
Retailer 10
-
$47,095 USD
View
Retailer 11
-
$48,088 USD
View
Price last confirmed 42 days ago
B+
Retailer 12
-
$48,099 USD
€45,809 EUR
View
B+
Retailer 13
-
$48,979 USD
View
B
Retailer 14
-
$50,863 USD
View
B+
Retailer 15
-
$51,328 USD
ZAR 829,210 ZAR
View
Retailer 16
-
$55,203 USD
View
Price last confirmed 41 days ago
Retailer 17
-
$57,326 USD
View
Price last confirmed 41 days ago
Most Expensive
B
MOH London
034605568 · Nov 1
$63,969 USD
£50,369 GBP
View
17 more retailers have this diamond
Prices start from $35,390 USDSave up to $28,578 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
4.02ct Marquise
$35,390 USD