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Round|Lab Grown|IGI

1.54ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818683582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818683582

Diamond specifications and retailer prices

From £573 GBP
HK$6,000 HKD
As of October 30, 2026
Save £1,717 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,290 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683582 or 818683582. Listed at 10 retailers as of October 30, 2026, with prices from £573 to £2,290, a £1,717 spread on the same certified stone. With Clarity lists it at £2,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683582
Dimensions7.49 × 7.45 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.49 mm7.45 mm1.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683582
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

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: £767 GBP|Low: £573 GBP|High: £3,373 GBP|Avg: £1,378 GBP|-10.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 5£573 GBP
Retailer 9£698 GBP
Retailer 8£734 GBP
Retailer 4£759 GBP
Retailer 1£767 GBP
Retailer 7£1,163 GBP
Retailer 6£1,605 GBP
Retailer 2£1,858 GBP
Retailer 3£2,073 GBP
With Clarity£2,290 GBP

33 data points across 10 retailers

10 retailers£573 GBP to £2,290 GBP

A
Cheapest Retailer
-
£573 GBP
HK$6,000 HKD
A
Retailer 2
-
£698 GBP
$935 USD
View
A
Retailer 3
-
£734 GBP
$983 USD
View
A
Retailer 4
-
£759 GBP
€969 EUR
View
A
Retailer 5
-
£767 GBP
View
B+
Retailer 6
-
£1,163 GBP
$1,558 USD
View
B
Retailer 7
-
£1,605 GBP
$2,150 USD
View
B
Retailer 8
-
£1,858 GBP
$2,490 USD
View
B
Retailer 9
-
£2,073 GBP
View
Most Expensive
B
With Clarity
818683582 · Oct 31
£2,290 GBP
$3,069 USD
View
9 more retailers have this diamond
Prices start from £573 GBPSave up to £1,717 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
1.54ct Round
£573 GBP