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Round|Lab Grown|IGI

1.54ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG733573869

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733573869

Diamond specifications and retailer prices

From £234 GBP
$312 USD
As of October 29, 2026
Save £1,358 GBP (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,118 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG733573869 or 733573869. Listed at 25 retailers as of October 25, 2026, with a 579% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733573869
Dimensions7.37 × 7.41 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.37 mm7.41 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733573869
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

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 29
Current: £2,118 GBP|Low: £234 GBP|High: £2,125 GBP|Avg: £713 GBP|-0.4%
Brilliant Earth
Retailer 2
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Retailer 24
October 29, 2026
Retailer 17£234 GBP
Retailer 11£262 GBP
Retailer 4£272 GBP
Retailer 10£291 GBP
Retailer 24£291 GBP
Retailer 12£390 GBP
Retailer 23£406 GBP
Retailer 18£439 GBP
Retailer 19£455 GBP
Retailer 22£499 GBP
Retailer 2£515 GBP
Retailer 6£541 GBP
Retailer 20£546 GBP
Retailer 21£677 GBP
Retailer 7£681 GBP
Retailer 5£716 GBP
Retailer 15£930 GBP
Retailer 9£934 GBP
Retailer 8£969 GBP
Retailer 16£1,117 GBP
Retailer 14£1,165 GBP
Retailer 13£1,171 GBP
Retailer 3£1,592 GBP
Brilliant Earth£2,118 GBP

22 data points across 24 retailers

25 retailers£234 GBP to £1,592 GBP

A
Cheapest Retailer
-
£234 GBP
$312 USD
A
Retailer 2
-
£262 GBP
$349 USD
View
Final sale: no returns
A
Retailer 3
-
£272 GBP
$362 USD
View
A
Retailer 4
-
£291 GBP
$387 USD
View
A
Retailer 5
-
£291 GBP
$387 USD
View
A
Retailer 6
-
£390 GBP
$520 USD
View
A
Retailer 7
-
£406 GBP
$540 USD
View
A
Retailer 8
-
£439 GBP
View
A
Retailer 9
-
£455 GBP
€577 EUR
View
A
Retailer 10
-
£499 GBP
ZAR 10,743 ZAR
View
A
Retailer 11
-
£515 GBP
View
A
Retailer 12
-
£541 GBP
$721 USD
View
A
Retailer 13
-
£546 GBP
A$1,118 AUD
View
A
Retailer 14
-
£677 GBP
A$1,388 AUD
View
A
Retailer 15
-
£681 GBP
$907 USD
View
A
Retailer 16
-
£716 GBP
$953 USD
View
B+
Retailer 17
-
£930 GBP
SGD 1,674 SGD
View
B+
Retailer 18
-
£934 GBP
$1,244 USD
View
B+
Retailer 19
-
£969 GBP
$1,290 USD
View
B+
Retailer 20
-
£1,085 GBP
A$2,222 AUD
View
Price last confirmed 24 days ago
B+
Retailer 21
-
£1,117 GBP
$1,488 USD
View
B+
Retailer 22
-
£1,165 GBP
$1,551 USD
View
B+
Retailer 23
-
£1,171 GBP
View
B+
Retailer 24
-
£1,592 GBP
$2,120 USD
View
Most Expensive
B
Brilliant Earth
18206131A · Oct 22
£2,118 GBP
$2,820 USD
View
Price last confirmed 7 days ago
24 more retailers have this diamond
Prices start from £234 GBPSave up to £1,358 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 Round
£234 GBP