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Round|Lab Grown|IGI

3.54ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG811634743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811634743

Diamond specifications and retailer prices

From £2,249 GBP
$3,014 USD
As of October 30, 2026
Save £6,334 GBP (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £8,584 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811634743 or 811634743. Listed at 14 retailers as of October 30, 2026, with prices from £2,249 to £8,584, a £6,334 spread on the same certified stone. With Clarity lists it at £8,584. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.54
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634743
Dimensions9.77 × 9.84 × 5.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
9.77 mm9.84 mm3.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634743
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

Caratlytics Score

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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: £3,535 GBP|Low: £2,157 GBP|High: £9,411 GBP|Avg: £5,066 GBP|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 2£2,249 GBP
Retailer 7£2,590 GBP
Retailer 4£2,975 GBP
Retailer 10£3,340 GBP
Retailer 1£3,535 GBP
Retailer 9£4,818 GBP
Retailer 5£5,137 GBP
Retailer 3£5,812 GBP
Retailer 11£5,906 GBP
Retailer 6£5,931 GBP
With Clarity£8,412 GBP
Retailer 8£8,575 GBP

42 data points across 12 retailers

14 retailers£2,249 GBP to £8,584 GBP

A
Cheapest Retailer
-
£2,249 GBP
$3,014 USD
A
Retailer 2
-
£2,590 GBP
$3,470 USD
View
B+
Retailer 3
-
£2,704 GBP
HK$28,300 HKD
View
B+
Retailer 4
-
£2,975 GBP
View
B+
Retailer 5
-
£3,340 GBP
$4,475 USD
View
B+
Retailer 6
-
£3,535 GBP
€4,511 EUR
View
B+
Retailer 7
-
£4,818 GBP
$6,455 USD
View
B+
Retailer 8
-
£5,137 GBP
ZAR 111,191 ZAR
View
Retailer 9
-
£5,812 GBP
$7,788 USD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
£5,906 GBP
$7,913 USD
View
B+
Retailer 11
-
£5,931 GBP
View
B
Retailer 12
-
£7,717 GBP
$10,340 USD
View
B
Retailer 13
-
£8,575 GBP
$11,490 USD
View
Most Expensive
B
With Clarity
811634743 · Oct 31
£8,584 GBP
$11,501 USD
View
13 more retailers have this diamond
Prices start from £2,249 GBPSave up to £6,334 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
3.54ct Round
£2,249 GBP