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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG692556782

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

Certificate IGI LG692556782

Diamond specifications and retailer prices

From £196 GBP
$263 USD
As of October 30, 2026
Save £1,587 GBP (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,784 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG692556782 or 692556782. Listed at 17 retailers as of October 30, 2026, with prices from £196 to £1,784, a £1,587 spread on the same certified stone. Brilliant Earth lists it at £1,784. 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 angle44.4°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692556782
Dimensions7.80 × 5.88 × 3.95 mm
L/W Ratio1.33
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm5.88 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692556782
Side View
Table 67.0%Crown 44.4°Girdle: MED-STKPavilion 37°Culet: NoneDepth 67.2%

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: £1,784 GBP|Low: £195 GBP|High: £2,217 GBP|Avg: £795 GBP|-19.5%
Brilliant Earth
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
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Retailer 16
Retailer 17
October 31, 2026
Retailer 14£196 GBP
Retailer 15£220 GBP
Retailer 13£228 GBP
Retailer 5£299 GBP
Retailer 3£326 GBP
Retailer 10£328 GBP
Retailer 2£422 GBP
Retailer 4£440 GBP
Retailer 12£626 GBP
Retailer 8£684 GBP
Retailer 6£781 GBP
Retailer 11£865 GBP
Retailer 9£937 GBP
Retailer 17£1,080 GBP
Retailer 7£1,605 GBP
Retailer 16£1,746 GBP
Brilliant Earth£1,784 GBP

35 data points across 17 retailers

17 retailers£196 GBP to £1,784 GBP

A
Cheapest Retailer
-
£196 GBP
$263 USD
A
Retailer 2
-
£220 GBP
$295 USD
View
Final sale: no returns
A
Retailer 3
-
£228 GBP
$306 USD
View
A
Retailer 4
-
£299 GBP
$400 USD
View
B+
Retailer 5
-
£326 GBP
$437 USD
View
A
Retailer 6
-
£328 GBP
$440 USD
View
A
Retailer 7
-
£422 GBP
€539 EUR
View
A
Retailer 8
-
£440 GBP
$590 USD
View
A
Retailer 9
-
£626 GBP
A$1,290 AUD
View
A
Retailer 10
-
£684 GBP
$916 USD
View
A
Retailer 11
-
£781 GBP
$1,046 USD
View
B+
Retailer 12
-
£865 GBP
$1,159 USD
View
B+
Retailer 13
-
£937 GBP
$1,255 USD
View
B+
Retailer 14
-
£1,080 GBP
View
Retailer 15
-
£1,605 GBP
$2,150 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
£1,746 GBP
$2,340 USD
View
Most Expensive
B
Brilliant Earth
21403070Y · Oct 31
£1,784 GBP
$2,390 USD
View
16 more retailers have this diamond
Prices start from £196 GBPSave up to £1,587 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
£196 GBP