Radiant|Lab Grown|IGI

2.55ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816608833

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816608833

Diamond specifications and retailer prices

From £652 GBP
$873 USD
As of October 30, 2026
Save £5,133 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,784 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.55ct lab-grown radiant diamond

This 2.55ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816608833 or 816608833. Listed at 16 retailers as of October 29, 2026, with prices from £652 to £5,784, a £5,133 spread on the same certified stone. Do Amore Diamonds lists it at £5,784. 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

2.55
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608833
Dimensions9.53 × 6.54 × 4.76 mm
L/W Ratio1.46
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
9.53 mm6.54 mm2.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608833
Side View
Table 64.0%Crown 42°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 72.8%

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: £5,784 GBP|Low: £652 GBP|High: £7,092 GBP|Avg: £3,026 GBP|-14.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 18
October 30, 2026
Retailer 14£652 GBP
Retailer 3£708 GBP
Retailer 16£890 GBP
Retailer 13£944 GBP
Retailer 12£1,104 GBP
Retailer 15£1,214 GBP
Retailer 6£1,400 GBP
Retailer 7£1,564 GBP
Retailer 17£1,737 GBP
Retailer 5£2,177 GBP
Retailer 18£2,345 GBP
Retailer 11£2,844 GBP
Retailer 8£4,086 GBP
Retailer 2£4,590 GBP
Retailer 4£4,651 GBP
Retailer 9£4,665 GBP
Do Amore Diamonds£5,784 GBP
Retailer 10£5,999 GBP

34 data points across 18 retailers

16 retailers£652 GBP to £5,784 GBP

A
Cheapest Retailer
-
£652 GBP
$873 USD
A
Retailer 2
-
£708 GBP
$949 USD
View
A
Retailer 3
-
£890 GBP
$1,193 USD
View
A
Retailer 4
-
£944 GBP
$1,265 USD
View
A
Retailer 5
-
£993 GBP
$1,331 USD
View
A
Retailer 6
-
£1,214 GBP
$1,626 USD
View
Retailer 7
-
£1,400 GBP
€1,787 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£1,564 GBP
$2,095 USD
View
A
Retailer 9
-
£1,737 GBP
$2,327 USD
View
B+
Retailer 10
-
£2,177 GBP
$2,918 USD
View
B+
Retailer 11
-
£2,345 GBP
$3,142 USD
View
B+
Retailer 12
-
£2,844 GBP
View
Retailer 13
-
£4,086 GBP
$5,475 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
£4,590 GBP
$6,150 USD
View
B
Retailer 15
-
£4,651 GBP
$6,232 USD
View
Most Expensive
B
Do Amore Diamonds
27-F5F0B73BF · Oct 29
£5,784 GBP
$7,750 USD
View
15 more retailers have this diamond
Prices start from £652 GBPSave up to £5,133 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
2.55ct Radiant
£652 GBP