Oval|Lab Grown|IGI

1.00ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG825623068

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825623068

Diamond specifications and retailer prices

From $356 USD
£280 GBP
As of October 26, 2026
10 retailers carry this diamond
Most expensive: $1,387 USD at MOH London · As of October 25, 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825623068 or 825623068. Listed at 10 retailers as of October 26, 2026. 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
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825623068
Dimensions8.31 × 5.54 × 3.48 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.31 mm5.54 mm1.00 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825623068
Side View
Table 59.0%Crown 30.6°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: $1,387 USD|Low: $150 USD|High: $1,401 USD|Avg: $407 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 9$150 USD
Retailer 2$166 USD
Retailer 6$216 USD
Retailer 8$225 USD
Retailer 3$271 USD
Retailer 5$307 USD
Retailer 4$356 USD
Retailer 7$563 USD
MOH London$1,387 USD

15 data points across 9 retailers

10 retailers

Retailer 1
-
$134 USD
Price last confirmed 11 days ago
Retailer 2
-
$166 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$166 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$216 USD
£170 GBP
View
Price last confirmed 15 days ago
Retailer 5
-
$225 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$271 USD
£213 GBP
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$356 USD
£280 GBP
View
Retailer 8
-
$533 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$563 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG825623068 · Oct 25
$1,387 USD
£1,092 GBP
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $356 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.

B+
1.00ct Oval
$356 USD