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Oval|Lab Grown|IGI

3.00ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG847653917

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG847653917

Diamond specifications and retailer prices

From £403 GBP
As of November 6, 2026
Save £973 GBP (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,981 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3ct lab-grown oval diamond

This 3ct 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 LG847653917 or 847653917. Listed at 10 retailers as of November 5, 2026, with a 242% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847653917
Dimensions11.17 × 7.94 × 5.10 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.17 mm7.94 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847653917
Side View
Table 61.0%Crown 32.6°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £403 GBP|Low: £402 GBP|High: £1,387 GBP|Avg: £737 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£403 GBP
Retailer 7£463 GBP
Retailer 5£474 GBP
Retailer 6£554 GBP
Retailer 2£633 GBP
Retailer 8£784 GBP
Retailer 4£855 GBP
Retailer 9£1,163 GBP
Retailer 3£1,376 GBP

20 data points across 9 retailers

10 retailers£403 GBP to £1,376 GBP

A
Cheapest Retailer
-
£403 GBP
A
Retailer 2
-
£463 GBP
View
B+
Retailer 3
-
£474 GBP
View
A
Retailer 4
-
£554 GBP
View
A
Retailer 5
-
£633 GBP
View
B+
Retailer 6
-
£784 GBP
View
A
Retailer 7
-
£855 GBP
View
B
Retailer 8
-
£1,163 GBP
View
B+
Retailer 9
-
£1,376 GBP
View
Most Expensive
Brilliant Earth
22300046A · Oct 28
£2,981 GBP
$3,990 USD
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from £403 GBPSave up to £973 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
3.00ct Oval
£403 GBP