Oval|Lab Grown|IGI

1.01ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG811659937

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811659937

Diamond specifications and retailer prices

From $305 USD
As of November 6, 2026
Save $609 USD (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $914 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811659937 or 811659937. Listed at 7 retailers as of November 2, 2026, with prices from $305 to $914, a $609 spread on the same certified stone. MOH London lists it at $914. 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

1.01
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811659937
Dimensions7.96 × 5.75 × 3.38 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.96 mm5.75 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811659937
Side View
Table 63.0%Crown 37.7°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $914 USD|Low: $305 USD|High: $970 USD|Avg: $518 USD|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$305 USD
Retailer 2$338 USD
Retailer 7$355 USD
Retailer 3$435 USD
Retailer 4$513 USD
Retailer 6$683 USD
MOH London$914 USD

40 data points across 7 retailers

7 retailers$305 USD to $914 USD

A
Cheapest Retailer
-
$305 USD
A
Retailer 2
-
$338 USD
View
A
Retailer 3
-
$355 USD
View
A
Retailer 4
-
$435 USD
View
B+
Retailer 5
-
$513 USD
View
B+
Retailer 6
-
$683 USD
View
Most Expensive
B
MOH London
LG811659937 · Nov 2
$914 USD
£720 GBP
View
6 more retailers have this diamond
Prices start from $305 USDSave up to $609 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
1.01ct Oval
$305 USD