CaratHunter
Plans
Round|Lab Grown|IGI

1.47ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG567354553

Shape and cutting style on the report: Round brilliant

Certificate IGI LG567354553

Diamond specifications and retailer prices

From £137 GBP
$183 USD
As of October 29, 2026
Save £722 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £858 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.47ct lab-grown round diamond

This 1.47ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567354553 or 567354553. Listed at 20 retailers as of October 29, 2026, with prices from £137 to £858, a £722 spread on the same certified stone. Brilliant Earth lists it at £858. 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

1.47
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567354553
Dimensions7.46 × 7.42 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.46 mm7.42 mm1.47 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567354553
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.1%

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: £858 GBP|Low: £137 GBP|High: £858 GBP|Avg: £381 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
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 15£137 GBP
Retailer 8£152 GBP
Retailer 2£159 GBP
Retailer 3£169 GBP
Retailer 18£169 GBP
Retailer 12£191 GBP
Retailer 10£230 GBP
Retailer 16£291 GBP
Retailer 14£306 GBP
Retailer 13£332 GBP
Retailer 6£362 GBP
Retailer 5£389 GBP
Retailer 4£433 GBP
Retailer 17£546 GBP
Retailer 11£556 GBP
Retailer 20£576 GBP
Retailer 7£586 GBP
Retailer 19£794 GBP
Retailer 9£851 GBP
Brilliant Earth£858 GBP

37 data points across 20 retailers

20 retailers£137 GBP to £858 GBP

A
Cheapest Retailer
-
£137 GBP
$183 USD
A
Retailer 2
-
£152 GBP
$204 USD
View
Final sale: no returns
A
Retailer 3
-
£159 GBP
$213 USD
View
A
Retailer 4
-
£169 GBP
$227 USD
View
A
Retailer 5
-
£169 GBP
$227 USD
View
A
Retailer 6
-
£191 GBP
HK$2,000 HKD
View
B+
Retailer 7
-
£230 GBP
$308 USD
View
A
Retailer 8
-
£291 GBP
€371 EUR
View
A
Retailer 9
-
£306 GBP
View
A
Retailer 10
-
£332 GBP
View
A
Retailer 11
-
£362 GBP
$485 USD
View
B+
Retailer 12
-
£389 GBP
$521 USD
View
B+
Retailer 13
-
£433 GBP
$580 USD
View
B+
Retailer 14
-
£546 GBP
$731 USD
View
B+
Retailer 15
-
£556 GBP
SGD 1,006 SGD
View
B+
Retailer 16
-
£576 GBP
$772 USD
View
B+
Retailer 17
-
£586 GBP
$785 USD
View
B
Retailer 18
-
£794 GBP
View
B
Retailer 19
-
£851 GBP
$1,141 USD
View
Most Expensive
B
Brilliant Earth
18876023A · Oct 29
£858 GBP
$1,150 USD
View
19 more retailers have this diamond
Prices start from £137 GBPSave up to £722 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
1.47ct Round
£137 GBP