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Oval|Lab Grown|IGI

1.01ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG566391627

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG566391627

Diamond specifications and retailer prices

From $295 USD
As of November 1, 2026
Save $663 USD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $958 USD at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG566391627 or 566391627. Listed at 5 retailers as of November 1, 2026, with prices from $295 to $958, a $663 spread on the same certified stone. MOH London lists it at $958. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566391627
Dimensions8.39 × 5.56 × 3.34 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
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
8.39 mm5.56 mm1.01 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG566391627
Side View
Table 61.0%Crown 34.2°Girdle: THN-STKPavilion 39.7°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $958 USD|Low: $295 USD|High: $1,006 USD|Avg: $491 USD|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$295 USD
Retailer 2$363 USD
Retailer 5$368 USD
Retailer 3$447 USD
MOH London$958 USD

42 data points across 5 retailers

5 retailers$295 USD to $958 USD

A
Cheapest Retailer
-
$295 USD
A
Retailer 2
-
$363 USD
£286 GBP
View
A
Retailer 3
-
$368 USD
View
B+
Retailer 4
-
$447 USD
View
Most Expensive
B
MOH London
LG566391627 · Nov 1
$958 USD
£754 GBP
View
4 more retailers have this diamond
Prices start from $295 USDSave up to $663 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
$295 USD