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Oval|Lab Grown|IGI

4.50ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG744514788

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG744514788

Diamond specifications and retailer prices

From £2,444 GBP
$3,255 USD
As of October 29, 2026
Save £14,377 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £16,821 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.5ct lab-grown oval diamond

This 4.5ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744514788 or 744514788. Listed at 18 retailers as of October 29, 2026, with prices from £2,444 to £16,821, a £14,377 spread on the same certified stone. Do Amore Diamonds lists it at £16,821. 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

4.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514788
Dimensions13.06 × 9.33 × 5.64 mm
L/W Ratio1.40
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
13.06 mm9.33 mm4.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514788
Side View
Table 56.0%Crown 34.2°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 60.5%

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: £16,821 GBP|Low: £2,399 GBP|High: £19,825 GBP|Avg: £5,674 GBP|-15.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 12£2,444 GBP
Retailer 2£2,615 GBP
Retailer 18£2,660 GBP
Retailer 14£2,731 GBP
Retailer 16£2,955 GBP
Retailer 10£3,227 GBP
Retailer 9£3,770 GBP
Retailer 15£3,911 GBP
Retailer 17£3,911 GBP
Retailer 13£4,402 GBP
Retailer 4£5,142 GBP
Retailer 6£5,561 GBP
Retailer 11£6,740 GBP
Retailer 5£6,943 GBP
Retailer 3£7,760 GBP
Retailer 7£9,681 GBP
Retailer 8£12,315 GBP
Do Amore Diamonds£16,821 GBP

37 data points across 18 retailers

18 retailers£2,444 GBP to £16,821 GBP

A
Cheapest Retailer
-
£2,444 GBP
$3,255 USD
A
Retailer 2
-
£2,615 GBP
View
A
Retailer 3
-
£2,660 GBP
$3,542 USD
View
A
Retailer 4
-
£2,731 GBP
$3,637 USD
View
A
Retailer 5
-
£2,955 GBP
$3,935 USD
View
A
Retailer 6
-
£3,227 GBP
$4,298 USD
View
Final sale: no returns
A
Retailer 7
-
£3,770 GBP
$5,020 USD
View
A
Retailer 8
-
£3,911 GBP
$5,208 USD
View
A
Retailer 9
-
£3,911 GBP
$5,208 USD
View
A
Retailer 10
-
£4,402 GBP
$5,862 USD
View
A
Retailer 11
-
£5,142 GBP
€6,521 EUR
View
Retailer 12
-
£5,561 GBP
$7,405 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£6,740 GBP
View
Retailer 14
-
£6,943 GBP
A$14,224 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£7,760 GBP
$10,334 USD
View
Retailer 16
-
£9,681 GBP
A$19,833 AUD
View
Price last confirmed 21 days ago
B
Retailer 17
-
£12,315 GBP
$16,400 USD
View
Most Expensive
B
Do Amore Diamonds
27-15CCFC341 · Oct 30
£16,821 GBP
$22,400 USD
View
17 more retailers have this diamond
Prices start from £2,444 GBPSave up to £14,377 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
4.50ct Oval
£2,444 GBP