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Oval|Lab Grown|IGI

3.00ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG842606469

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG842606469

Diamond specifications and retailer prices

From £379 GBP
As of November 6, 2026
Save £1,265 GBP (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,644 GBP at Brilliant Earth · As of November 6, 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 LG842606469 or 842606469. Listed at 8 retailers as of November 6, 2026, with prices from £379 to £1,644, a £1,265 spread on the same certified stone. Brilliant Earth lists it at £1,644. 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 angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842606469
Dimensions11.44 × 8.10 × 5.11 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
11.44 mm8.10 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842606469
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

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: £379 GBP|Low: £378 GBP|High: £1,381 GBP|Avg: £920 GBP|-5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£379 GBP
Retailer 3£534 GBP
Retailer 5£974 GBP
Retailer 4£975 GBP
Retailer 6£1,068 GBP
Retailer 2£1,298 GBP
Retailer 7£1,381 GBP

28 data points across 7 retailers

8 retailers£379 GBP to £1,644 GBP

A
Cheapest Retailer
-
£379 GBP
A
Retailer 2
-
£534 GBP
View
B+
Retailer 3
-
£974 GBP
View
B+
Retailer 4
-
£975 GBP
View
B+
Retailer 5
-
£1,068 GBP
View
B+
Retailer 6
-
£1,298 GBP
View
Retailer 7
-
£1,381 GBP
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
21712873A · Nov 6
£1,644 GBP
$2,200 USD
View
7 more retailers have this diamond
Prices start from £379 GBPSave up to £1,265 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
£379 GBP