CaratHunter
Plans
Round|Lab Grown|IGI

3.04ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG774656512

Shape and cutting style on the report: Round brilliant

Certificate IGI LG774656512

Diamond specifications and retailer prices

From £276 GBP
$368 USD
As of October 29, 2026
Save £1,376 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,652 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.04ct lab-grown round diamond

This 3.04ct lab-grown round 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 LG774656512 or 774656512. Listed at 18 retailers as of October 29, 2026, with prices from £276 to £1,652, a £1,376 spread on the same certified stone. Brilliant Earth lists it at £1,652. 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

3.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774656512
Dimensions9.38 × 9.36 × 5.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm9.36 mm3.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774656512
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.1%

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 29
Current: £1,652 GBP|Low: £270 GBP|High: £1,652 GBP|Avg: £745 GBP
Brilliant Earth
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
Retailer 17
October 30, 2026
Retailer 7£276 GBP
Retailer 15£320 GBP
Retailer 5£342 GBP
Retailer 6£342 GBP
Retailer 12£454 GBP
Retailer 2£459 GBP
Retailer 9£460 GBP
Retailer 11£551 GBP
Retailer 10£616 GBP
Retailer 4£635 GBP
Retailer 3£704 GBP
Retailer 14£848 GBP
Retailer 16£859 GBP
Retailer 8£1,100 GBP
Retailer 13£1,339 GBP
Retailer 17£1,355 GBP
Brilliant Earth£1,652 GBP

33 data points across 17 retailers

18 retailers£276 GBP to £1,652 GBP

A
Cheapest Retailer
-
£276 GBP
$368 USD
A
Retailer 2
-
£320 GBP
$426 USD
View
A
Retailer 3
-
£342 GBP
$456 USD
View
A
Retailer 4
-
£342 GBP
$456 USD
View
A
Retailer 5
-
£454 GBP
$605 USD
View
A
Retailer 6
-
£459 GBP
View
B+
Retailer 7
-
£460 GBP
$612 USD
View
A
Retailer 8
-
£551 GBP
€699 EUR
View
A
Retailer 9
-
£616 GBP
View
A
Retailer 10
-
£635 GBP
$845 USD
View
A
Retailer 11
-
£704 GBP
$937 USD
View
Retailer 12
-
£794 GBP
$1,057 USD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
£848 GBP
A$1,738 AUD
View
B+
Retailer 14
-
£859 GBP
$1,144 USD
View
B+
Retailer 15
-
£1,100 GBP
$1,465 USD
View
B
Retailer 16
-
£1,339 GBP
View
B
Retailer 17
-
£1,355 GBP
$1,805 USD
View
Most Expensive
B
Brilliant Earth
18287456A · Oct 29
£1,652 GBP
$2,200 USD
View
17 more retailers have this diamond
Prices start from £276 GBPSave up to £1,376 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
3.04ct Round
£276 GBP