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Oval|Lab Grown|IGI

3.08ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG837622561

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837622561

Diamond specifications and retailer prices

From £300 GBP
As of November 6, 2026
Save £1,934 GBP (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,234 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.08ct lab-grown oval diamond

This 3.08ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG837622561 or 837622561. Listed at 4 retailers as of November 6, 2026, with prices from £300 to £2,234, a £1,934 spread on the same certified stone. Brilliant Earth lists it at £2,234. 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

3.08
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837622561
Dimensions11.28 × 8.27 × 5.25 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm8.27 mm3.08 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837622561
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £2,234 GBP|Low: £300 GBP|High: £2,861 GBP|Avg: £1,211 GBP|-21.9%
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£300 GBP
Retailer 2£614 GBP
Brilliant Earth£2,234 GBP

39 data points across 3 retailers

4 retailers£300 GBP to £2,234 GBP

A
Cheapest Retailer
-
£300 GBP
Final sale: no returns
A
Retailer 2
-
£614 GBP
View
B
Retailer 3
-
£1,408 GBP
View
Most Expensive
B
Brilliant Earth
21452527A · Nov 6
£2,234 GBP
$2,990 USD
View
3 more retailers have this diamond
Prices start from £300 GBPSave up to £1,934 GBP

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
3.08ct Oval
£300 GBP