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Round|Lab Grown|IGI

0.55ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG739504406

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739504406

Diamond specifications and retailer prices

From £107 GBP
$144 USD
As of October 29, 2026
Save £649 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £756 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.55ct lab-grown round diamond

This 0.55ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739504406 or 739504406. Listed at 19 retailers as of October 29, 2026, with prices from £107 to £756, a £649 spread on the same certified stone. Reve Diamonds lists it at £756. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739504406
Dimensions5.32 × 5.31 × 3.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.32 mm5.31 mm0.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739504406
Side View
Table 60.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £228 GBP|Low: £107 GBP|High: £825 GBP|Avg: £315 GBP|-14.7%
Retailer 1
Retailer 2
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Retailer 18
Reve Diamonds
October 30, 2026
Retailer 18£107 GBP
Retailer 9£119 GBP
Retailer 10£125 GBP
Retailer 5£133 GBP
Retailer 15£133 GBP
Retailer 2£153 GBP
Retailer 8£178 GBP
Retailer 6£181 GBP
Retailer 1£228 GBP
Retailer 11£234 GBP
Retailer 12£240 GBP
Retailer 4£302 GBP
Retailer 16£365 GBP
Retailer 14£421 GBP
Retailer 3£427 GBP
Retailer 17£451 GBP
Retailer 7£469 GBP
Retailer 13£622 GBP
Reve Diamonds£756 GBP

44 data points across 19 retailers

19 retailers£107 GBP to £756 GBP

A
Cheapest Retailer
-
£107 GBP
$144 USD
A
Retailer 2
-
£119 GBP
$160 USD
View
Final sale: no returns
A
Retailer 3
-
£125 GBP
$167 USD
View
A
Retailer 4
-
£133 GBP
$178 USD
View
A
Retailer 5
-
£133 GBP
$178 USD
View
A
Retailer 6
-
£153 GBP
HK$1,600 HKD
View
A
Retailer 7
-
£178 GBP
$239 USD
View
A
Retailer 8
-
£181 GBP
$242 USD
View
A
Retailer 9
-
£228 GBP
View
A
Retailer 10
-
£234 GBP
€299 EUR
View
A
Retailer 11
-
£240 GBP
ZAR 5,197 ZAR
View
B+
Retailer 12
-
£302 GBP
$404 USD
View
B+
Retailer 13
-
£365 GBP
SGD 661 SGD
View
B+
Retailer 14
-
£421 GBP
$564 USD
View
B+
Retailer 15
-
£427 GBP
$572 USD
View
B+
Retailer 16
-
£451 GBP
$604 USD
View
B
Retailer 17
-
£469 GBP
$628 USD
View
B
Retailer 18
-
£622 GBP
View
Most Expensive
B
Reve Diamonds
E9E4F81B3 · Oct 30
£756 GBP
$1,014 USD
View
18 more retailers have this diamond
Prices start from £107 GBPSave up to £649 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
0.55ct Round
£107 GBP