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Oval|Lab Grown|IGI

1.00ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG825615211

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825615211

Diamond specifications and retailer prices

From $289 USD
As of October 29, 2026
Save $605 USD (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $894 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825615211 or 825615211. Listed at 4 retailers as of October 29, 2026, with prices from $289 to $894, a $605 spread on the same certified stone. MOH London lists it at $894. 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

1.00
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825615211
Dimensions8.22 × 5.38 × 3.38 mm
L/W Ratio1.53
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.38 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825615211
Side View
Table 62.0%Crown 33.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $894 USD|Low: $288 USD|High: $894 USD|Avg: $441 USD|+2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4$289 USD
Retailer 2$331 USD
Retailer 5$337 USD
Retailer 3$348 USD
MOH London$894 USD

31 data points across 5 retailers

4 retailers$289 USD to $894 USD

A
Cheapest Retailer
-
$289 USD
B+
Retailer 2
-
$331 USD
£261 GBP
View
B+
Retailer 3
-
$348 USD
View
Most Expensive
B
MOH London
LG825615211 · Oct 29
$894 USD
£704 GBP
View
3 more retailers have this diamond
Prices start from $289 USDSave up to $605 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
1.00ct Oval
$289 USD