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Radiant|Lab Grown|IGI

1.55ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG754517897

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

Certificate IGI LG754517897

Diamond specifications and retailer prices

From £296 GBP
$396 USD
As of October 30, 2026
Save £2,332 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,627 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754517897 or 754517897. Listed at 11 retailers as of October 29, 2026, with prices from £296 to £2,627, a £2,332 spread on the same certified stone. Do Amore Diamonds lists it at £2,627. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754517897
Dimensions7.78 × 5.67 × 3.92 mm
L/W Ratio1.37
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
7.78 mm5.67 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754517897
Side View
Table 65.0%Crown 47.5°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 69.1%

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: £2,627 GBP|Low: £296 GBP|High: £3,396 GBP|Avg: £1,561 GBP|-22.6%
Do Amore Diamonds
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
October 30, 2026
Retailer 10£296 GBP
Retailer 15£331 GBP
Retailer 3£428 GBP
Retailer 13£581 GBP
Retailer 9£590 GBP
Retailer 12£978 GBP
Retailer 16£1,294 GBP
Retailer 14£1,302 GBP
Retailer 8£1,389 GBP
Retailer 11£1,489 GBP
Retailer 4£1,494 GBP
Retailer 5£1,505 GBP
Retailer 7£1,542 GBP
Retailer 2£2,179 GBP
Do Amore Diamonds£2,627 GBP
Retailer 6£2,684 GBP

27 data points across 16 retailers

11 retailers£296 GBP to £2,627 GBP

A
Cheapest Retailer
-
£296 GBP
$396 USD
A
Retailer 2
-
£331 GBP
$444 USD
View
A
Retailer 3
-
£428 GBP
$574 USD
View
Final sale: no returns
A
Retailer 4
-
£581 GBP
$779 USD
View
A
Retailer 5
-
£590 GBP
$790 USD
View
B+
Retailer 6
-
£978 GBP
$1,310 USD
View
B+
Retailer 7
-
£1,294 GBP
$1,734 USD
View
B+
Retailer 8
-
£1,302 GBP
$1,744 USD
View
B
Retailer 9
-
£1,489 GBP
View
B
Retailer 10
-
£2,179 GBP
$2,920 USD
View
Most Expensive
B
Do Amore Diamonds
27-01A2C2539 · Oct 29
£2,627 GBP
$3,520 USD
View
10 more retailers have this diamond
Prices start from £296 GBPSave up to £2,332 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
1.55ct Radiant
£296 GBP