Marquise|Natural|IGI

1.01ct J IF Marquise Natural Diamond

EX • J/IF

Diamond specifications and retailer prices

This diamond has been sold
Last seen: Sep 12, 2026 at $3,887 USD
$3,887 USDlast known price

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
Dimensions9.81 × 5.18 mm
L/W Ratio1.89
Top View
9.81 mm5.18 mm1.01 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCuletDepth 64.5%

Caratlytics Score

Price History

Last verified: Sep 12
Current: $3,887 USD|Low: $3,887 USD|High: $4,563 USD|Avg: $4,205 USD|-14.8%

11 data points across 1 retailer

Historical Listings

Helzberg Diamonds
ZXZOGJMNNHKK · Sep 12
$3,887 USD
View

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1.01ct J IF Marquise Natural Diamond (Sold) | Carat Hunter