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Round|Lab Grown|IGI

4.54ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG825676486

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG825676486

Diamond specifications and retailer prices

From £9,060 GBP
$12,140 USD
As of October 31, 2026
Save £16,196 GBP (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £33,868 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.54ct lab-grown round diamond

This 4.54ct 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 LG825676486 or 825676486. Listed at 6 retailers as of October 31, 2026, with a 179% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.54
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825676486
Dimensions16.74 × 7.95 × 5.29 mm
L/W Ratio2.11
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.74 mm7.95 mm4.54 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825676486
Side View
Table 65.0%Crown 36.2°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £33,868 GBP|Low: £4,758 GBP|High: £33,868 GBP|Avg: £12,392 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8£6,984 GBP
Retailer 4£9,060 GBP
Retailer 5£9,768 GBP
Retailer 7£9,922 GBP
Retailer 2£15,271 GBP
Retailer 3£25,257 GBP
Retailer 6£29,651 GBP
Do Amore Diamonds£33,868 GBP

8 data points across 8 retailers

6 retailers£9,060 GBP to £25,257 GBP

B+
Cheapest Retailer
-
£9,060 GBP
$12,140 USD
B
Retailer 2
-
£9,768 GBP
$13,088 USD
View
Final sale: no returns
B
Retailer 3
-
£15,271 GBP
View
B
Retailer 4
-
£25,257 GBP
$33,841 USD
View
Retailer 5
-
£29,651 GBP
$39,729 USD
View
Price under review
Most Expensive
Do Amore Diamonds
20-E96688 · Oct 31
£33,868 GBP
$45,380 USD
View
Price under review
5 more retailers have this diamond
Prices start from £9,060 GBPSave up to £16,196 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.

B+
4.54ct Round
£9,060 GBP