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Oval|Lab Grown|IGI

3.07ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG846638362

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG846638362

Diamond specifications and retailer prices

From £280 GBP
As of November 6, 2026
Save £1,393 GBP (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,674 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.07ct lab-grown oval diamond

This 3.07ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846638362 or 846638362. Listed at 3 retailers as of November 6, 2026, with prices from £280 to £1,674, a £1,393 spread on the same certified stone. Brilliant Earth lists it at £1,674. 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

3.07
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846638362
Dimensions11.72 × 8.08 × 5.11 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm8.08 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846638362
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°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: £1,674 GBP|Low: £280 GBP|High: £1,674 GBP|Avg: £915 GBP
Brilliant Earth
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£280 GBP
Retailer 2£572 GBP
Brilliant Earth£1,674 GBP

19 data points across 3 retailers

3 retailers£280 GBP to £1,674 GBP

A
Cheapest Retailer
-
£280 GBP
Final sale: no returns
A
Retailer 2
-
£572 GBP
View
Most Expensive
B
Brilliant Earth
22150982A · Nov 6
£1,674 GBP
$2,240 USD
View
2 more retailers have this diamond
Prices start from £280 GBPSave up to £1,393 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
3.07ct Oval
£280 GBP