Oval|Lab Grown|IGI

1.00ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG750577896

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG750577896

Diamond specifications and retailer prices

From £410 GBP
$550 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £410 GBP at Brilliant Earth
View at Brilliant Earth

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 top-tier cut grade and certified by IGI LG750577896 or 750577896. Listed at 2 retailers as of October 31, 2026. 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750577896
Dimensions8.06 × 5.71 × 3.38 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.71 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG750577896
Side View
Table 63.0%Crown 34.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.2%

Caratlytics Score

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

Last verified: Oct 31
Current: £410 GBP|Low: £92 GBP|High: £656 GBP|Avg: £342 GBP|+1.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
August 17, 2026
Retailer 5£206 GBP
Retailer 4£219 GBP
Retailer 7£230 GBP
Retailer 6£335 GBP
Retailer 2£355 GBP
Retailer 3£406 GBP
Brilliant Earth£410 GBP
Retailer 8£497 GBP

43 data points across 8 retailers

2 retailers

Retailer 1
-
£355 GBP
$476 USD
Price last confirmed 77 days ago
Most Expensive
B+
Brilliant Earth
20728765A · Oct 31
£410 GBP
$550 USD
View
1 more retailer has this diamond

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
£410 GBP