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Oval|Lab Grown|IGI

3.06ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG831605723

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831605723

Diamond specifications and retailer prices

From £298 GBP
As of November 6, 2026
Save £1,121 GBP (79%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,420 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.06ct lab-grown oval diamond

This 3.06ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831605723 or 831605723. Listed at 3 retailers as of November 1, 2026, with prices from £298 to £1,420, a £1,121 spread on the same certified stone. Rare Carat lists it at £1,420. 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

3.06
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831605723
Dimensions11.23 × 8.23 × 5.20 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
11.23 mm8.23 mm3.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831605723
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,420 GBP|Low: £298 GBP|High: £1,442 GBP|Avg: £728 GBP|-1.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£298 GBP
Retailer 6£445 GBP
Retailer 7£513 GBP
Retailer 2£610 GBP
Retailer 5£749 GBP
Retailer 4£891 GBP
Rare Carat£1,420 GBP

39 data points across 7 retailers

3 retailers£298 GBP to £1,420 GBP

A
Cheapest Retailer
-
£298 GBP
Final sale: no returns
A
Retailer 2
-
£610 GBP
View
Most Expensive
B
Rare Carat
831605723 · Nov 1
£1,420 GBP
$1,900 USD
View
2 more retailers have this diamond
Prices start from £298 GBPSave up to £1,121 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
3.06ct Oval
£298 GBP