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Oval|Lab Grown|IGI

3.00ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451067154

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451067154

Diamond specifications and retailer prices

From £1,217 GBP
$1,630 USD
As of October 30, 2026
Save £9,883 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £11,099 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3ct lab-grown oval diamond

This 3ct lab-grown oval sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451067154 or 451067154. Listed at 11 retailers as of October 29, 2026, with prices from £1,217 to £11,099, a £9,883 spread on the same certified stone. MOH London lists it at £11,099. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451067154
Dimensions10.88 × 8.15 × 5.23 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.88 mm8.15 mm3.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451067154
Side View
Table 55.5%Crown 36.8°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 64.2%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £11,099 GBP|Low: £1,217 GBP|High: £11,187 GBP|Avg: £5,994 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£1,217 GBP
Retailer 5£4,761 GBP
Retailer 3£5,153 GBP
Retailer 8£5,331 GBP
Retailer 9£5,508 GBP
Retailer 6£5,522 GBP
Retailer 10£5,698 GBP
Retailer 7£6,404 GBP
Retailer 4£6,455 GBP
Retailer 11£7,114 GBP
MOH London£11,099 GBP

15 data points across 11 retailers

11 retailers£1,217 GBP to £11,099 GBP

A
Cheapest Retailer
-
£1,217 GBP
$1,630 USD
B
Retailer 2
-
£4,761 GBP
$6,379 USD
View
B
Retailer 3
-
£4,951 GBP
$6,634 USD
View
B
Retailer 4
-
£5,331 GBP
$7,143 USD
View
Final sale: no returns
B
Retailer 5
-
£5,508 GBP
$7,380 USD
View
B
Retailer 6
-
£5,522 GBP
$7,399 USD
View
Retailer 7
-
£5,522 GBP
$7,399 USD
View
Price last confirmed 18 days ago
B
Retailer 8
-
£6,404 GBP
$8,580 USD
View
B
Retailer 9
-
£6,455 GBP
$8,649 USD
View
B
Retailer 10
-
£6,556 GBP
$8,784 USD
View
Most Expensive
B
MOH London
LG451067154 · Oct 29
£11,099 GBP
View
10 more retailers have this diamond
Prices start from £1,217 GBPSave up to £9,883 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
£1,217 GBP