CaratHunter
Plans
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 $50,499 AUD
₹3,370,511 INR
As of November 2, 2026
Save $40,778 AUD (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $91,277 AUD at MOH London · As of November 2, 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 2, 2026, with prices from $50,499 to $91,277, a $40,778 spread on the same certified stone. MOH London lists it at $91,277. 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
Colour
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: $91,277 AUD|Low: $50,499 AUD|High: $92,377 AUD|Avg: $65,268 AUD|-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$50,499 AUD
Retailer 10$58,464 AUD
Retailer 9$59,136 AUD
Retailer 6$59,823 AUD
Retailer 11$62,520 AUD
Retailer 4$63,995 AUD
Retailer 8$66,903 AUD
Retailer 3$67,200 AUD
Retailer 5$68,633 AUD
Retailer 7$73,240 AUD
MOH London$91,277 AUD

33 data points across 11 retailers

18 retailers$50,499 AUD to $91,277 AUD

A
Cheapest Retailer
-
$50,499 AUD
₹3,370,511 INR
B+
Retailer 2
-
$58,464 AUD
$40,973 USD
View
B+
Retailer 3
-
$59,136 AUD
$41,444 USD
View
Final sale: no returns
B+
Retailer 4
-
$59,823 AUD
£33,012 GBP
View
B+
Retailer 5
-
$60,880 AUD
$42,666 USD
View
B+
Retailer 6
-
$62,520 AUD
$43,815 USD
View
B+
Retailer 7
-
$63,995 AUD
£35,314 GBP
View
B+
Retailer 8
-
$64,512 AUD
$45,211 USD
View
B+
Retailer 9
-
$66,903 AUD
$46,887 USD
View
B+
Retailer 10
-
$67,200 AUD
$47,095 USD
View
Retailer 11
-
$68,617 AUD
$48,088 USD
View
Price last confirmed 43 days ago
B+
Retailer 12
-
$68,633 AUD
€45,809 EUR
View
B+
Retailer 13
-
$69,888 AUD
$48,979 USD
View
B
Retailer 14
-
$72,576 AUD
$50,863 USD
View
B+
Retailer 15
-
$73,240 AUD
ZAR 829,210 ZAR
View
Retailer 16
-
$78,769 AUD
$55,203 USD
View
Price last confirmed 41 days ago
Retailer 17
-
$81,798 AUD
$57,326 USD
View
Price last confirmed 42 days ago
Most Expensive
B
MOH London
034605568 · Nov 2
$91,277 AUD
£50,369 GBP
View
17 more retailers have this diamond
Prices start from $50,499 AUDSave up to $40,778 AUD

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
$50,499 AUD