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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG689562527

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

Certificate IGI LG689562527

Diamond specifications and retailer prices

From £204 GBP
$274 USD
As of October 30, 2026
Save £3,191 GBP (94%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,396 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689562527 or 689562527. Listed at 19 retailers as of October 30, 2026, with prices from £204 to £3,396, a £3,191 spread on the same certified stone. Do Amore Diamonds lists it at £3,396. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.1°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562527
Dimensions8.09 × 5.70 × 3.77 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm5.70 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562527
Side View
Table 64.0%Crown 49.1°Girdle: MediumPavilion 33.8°Culet: NoneDepth 66.1%

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 30
Current: £1,814 GBP|Low: £204 GBP|High: £2,426 GBP|Avg: £774 GBP|-12.0%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 10£204 GBP
Retailer 6£229 GBP
Retailer 3£237 GBP
Retailer 9£254 GBP
Retailer 15£254 GBP
Retailer 17£339 GBP
Retailer 18£373 GBP
Retailer 14£481 GBP
Retailer 2£497 GBP
Retailer 4£610 GBP
Retailer 13£652 GBP
Retailer 16£724 GBP
Retailer 8£899 GBP
Retailer 7£974 GBP
Retailer 5£1,022 GBP
Retailer 12£1,127 GBP
Retailer 11£1,784 GBP
Do Amore Diamonds£1,814 GBP

35 data points across 18 retailers

19 retailers£204 GBP to £3,396 GBP

A
Cheapest Retailer
-
£204 GBP
$274 USD
A
Retailer 2
-
£229 GBP
$307 USD
View
Final sale: no returns
A
Retailer 3
-
£237 GBP
$318 USD
View
A
Retailer 4
-
£254 GBP
$340 USD
View
A
Retailer 5
-
£254 GBP
$340 USD
View
B+
Retailer 6
-
£339 GBP
$454 USD
View
A
Retailer 7
-
£373 GBP
$500 USD
View
A
Retailer 8
-
£481 GBP
ZAR 10,408 ZAR
View
A
Retailer 9
-
£497 GBP
View
A
Retailer 10
-
£610 GBP
$818 USD
View
A
Retailer 11
-
£652 GBP
A$1,345 AUD
View
A
Retailer 12
-
£724 GBP
$970 USD
View
B+
Retailer 13
-
£899 GBP
$1,205 USD
View
B+
Retailer 14
-
£974 GBP
$1,305 USD
View
B+
Retailer 15
-
£1,022 GBP
$1,369 USD
View
B+
Retailer 16
-
£1,127 GBP
View
B
Retailer 17
-
£1,784 GBP
$2,390 USD
View
B+
Retailer 18
-
£1,814 GBP
$2,430 USD
View
Most Expensive
B
Do Amore Diamonds
23-689562527 · Nov 1
£3,396 GBP
$4,550 USD
View
18 more retailers have this diamond
Prices start from £204 GBPSave up to £3,191 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
1.54ct Radiant
£204 GBP