Oval|Lab Grown|IGI

4.55ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG789617552

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG789617552

Diamond specifications and retailer prices

From £4,200 GBP
$5,627 USD
As of October 30, 2026
Save £14,677 GBP (78%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £29,279 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.55ct lab-grown oval diamond

This 4.55ct lab-grown oval 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 LG789617552 or 789617552. Listed at 31 retailers as of October 30, 2026, with a 349% 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

4.55
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789617552
Dimensions14.07 × 9.41 × 5.63 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.07 mm9.41 mm4.55 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789617552
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.8%

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: £8,570 GBP|Low: £4,049 GBP|High: £14,090 GBP|Avg: £7,988 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 9£4,200 GBP
Retailer 2£4,256 GBP
Retailer 8£4,460 GBP
Retailer 5£4,937 GBP
Retailer 10£4,937 GBP
Retailer 20£4,937 GBP
Retailer 18£5,085 GBP
Retailer 15£5,171 GBP
Retailer 19£5,337 GBP
Retailer 7£6,469 GBP
Retailer 12£6,780 GBP
Retailer 11£7,768 GBP
Retailer 4£8,044 GBP
Retailer 1£8,570 GBP
Retailer 14£9,254 GBP
Retailer 17£10,952 GBP
Retailer 16£11,599 GBP
Retailer 3£12,217 GBP
Retailer 6£13,684 GBP
Retailer 13£14,090 GBP

43 data points across 20 retailers

31 retailers£4,200 GBP to £18,877 GBP

A
Cheapest Retailer
-
£4,200 GBP
$5,627 USD
A
Retailer 2
-
£4,256 GBP
$5,703 USD
View
Retailer 3
-
£4,256 GBP
$5,703 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
£4,454 GBP
CA$8,289 CAD
View
A
Retailer 5
-
£4,460 GBP
$5,976 USD
View
A
Retailer 6
-
£4,529 GBP
$6,068 USD
View
A
Retailer 7
-
£4,577 GBP
$6,133 USD
View
Retailer 8
-
£4,869 GBP
$6,524 USD
View
Price last confirmed 39 days ago
A
Retailer 9
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£4,937 GBP
$6,615 USD
View
B+
Retailer 10
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£4,937 GBP
$6,615 USD
View
Retailer 11
-
£4,937 GBP
$6,615 USD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
£5,171 GBP
$6,929 USD
View
Final sale: no returns
B+
Retailer 13
-
£5,337 GBP
$7,151 USD
View
B+
Retailer 14
-
£6,469 GBP
$8,668 USD
View
B+
Retailer 15
-
£6,780 GBP
View
B+
Retailer 16
-
£7,768 GBP
View
B+
Retailer 17
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£8,044 GBP
$10,778 USD
View
B+
Retailer 18
-
£8,570 GBP
€10,936 EUR
View
B+
Retailer 19
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£9,254 GBP
$12,400 USD
View
B+
Retailer 20
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£10,952 GBP
View
B+
Retailer 21
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£11,599 GBP
ZAR 251,064 ZAR
View
B
Retailer 22
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£12,217 GBP
$16,369 USD
View
B
Retailer 23
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£12,497 GBP
$16,744 USD
View
B
Retailer 24
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£12,809 GBP
$17,163 USD
View
B
Retailer 25
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£13,588 GBP
$18,207 USD
View
B
Retailer 26
-
£13,684 GBP
$18,336 USD
View
B
Retailer 27
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£14,090 GBP
$18,879 USD
View
B
Retailer 28
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£18,877 GBP
$25,293 USD
View
B
Retailer 29
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£18,877 GBP
$25,293 USD
View
Retailer 30
-
£27,540 GBP
$36,900 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-76E29F436 · Oct 31
£29,279 GBP
$39,230 USD
View
Price under review
30 more retailers have this diamond
Prices start from £4,200 GBPSave up to £14,677 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
4.55ct Oval
£4,200 GBP