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Oval|Lab Grown|IGI

3.05ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG630435014

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG630435014

Diamond specifications and retailer prices

From £253 GBP
As of November 6, 2026
Save £1,163 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,416 GBP at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.05ct lab-grown oval diamond

This 3.05ct 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 LG630435014 or 630435014. Listed at 15 retailers as of November 4, 2026, with prices from £253 to £1,416, a £1,163 spread on the same certified stone. Rare Carat lists it at £1,416. 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

3.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630435014
Dimensions11.63 × 8.22 × 5.13 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.63 mm8.22 mm3.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630435014
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.4%

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: £1,416 GBP|Low: £253 GBP|High: £3,136 GBP|Avg: £823 GBP|-30.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 13£253 GBP
Retailer 7£293 GBP
Retailer 15£313 GBP
Retailer 3£344 GBP
Retailer 9£381 GBP
Retailer 14£426 GBP
Retailer 5£504 GBP
Retailer 2£507 GBP
Retailer 16£551 GBP
Retailer 10£556 GBP
Retailer 4£740 GBP
Retailer 12£918 GBP
Retailer 6£1,006 GBP
Retailer 11£1,254 GBP
Rare Carat£1,416 GBP
Retailer 8£3,136 GBP

11 data points across 16 retailers

15 retailers£253 GBP to £1,416 GBP

A
Cheapest Retailer
-
£253 GBP
A
Retailer 2
-
£293 GBP
View
A
Retailer 3
-
£313 GBP
View
A
Retailer 4
-
£344 GBP
View
A
Retailer 5
-
£381 GBP
View
A
Retailer 6
-
£426 GBP
View
B+
Retailer 7
-
£504 GBP
View
A
Retailer 8
-
£507 GBP
View
A
Retailer 9
-
£551 GBP
View
A
Retailer 10
-
£556 GBP
View
B+
Retailer 11
-
£740 GBP
View
B+
Retailer 12
-
£918 GBP
View
B+
Retailer 13
-
£1,006 GBP
View
B+
Retailer 14
-
£1,254 GBP
View
Most Expensive
B
Rare Carat
KI0144350KF630 · Nov 4
£1,416 GBP
$1,895 USD
View
14 more retailers have this diamond
Prices start from £253 GBPSave up to £1,163 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
3.05ct Oval
£253 GBP