Round|Lab Grown|IGI

1.54ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG808630429

Shape and cutting style on the report: Round brilliant

Certificate IGI LG808630429

Diamond specifications and retailer prices

From £287 GBP
$382 USD
As of October 29, 2026
Save £1,267 GBP (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,630 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG808630429 or 808630429. Listed at 25 retailers as of October 28, 2026, with a 442% 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 angle33.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808630429
Dimensions7.42 × 7.45 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.45 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808630429
Side View
Table 60.0%Crown 33.4°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.1%

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 29
Current: £1,630 GBP|Low: £287 GBP|High: £1,630 GBP|Avg: £800 GBP
Rare Carat
Retailer 2
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Retailer 24
October 29, 2026
Retailer 22£287 GBP
Retailer 12£321 GBP
Retailer 17£321 GBP
Retailer 3£355 GBP
Retailer 16£355 GBP
Retailer 9£394 GBP
Retailer 21£466 GBP
Retailer 23£477 GBP
Retailer 19£537 GBP
Retailer 6£540 GBP
Retailer 18£557 GBP
Retailer 20£611 GBP
Retailer 2£640 GBP
Retailer 7£699 GBP
Retailer 13£825 GBP
Retailer 24£997 GBP
Retailer 8£1,143 GBP
Retailer 11£1,153 GBP
Retailer 15£1,171 GBP
Retailer 10£1,331 GBP
Retailer 5£1,332 GBP
Retailer 4£1,390 GBP
Retailer 14£1,554 GBP
Rare Carat£1,630 GBP

22 data points across 24 retailers

25 retailers£287 GBP to £1,554 GBP

A
Cheapest Retailer
-
£287 GBP
$382 USD
A
Retailer 2
-
£321 GBP
$427 USD
View
Final sale: no returns
A
Retailer 3
-
£321 GBP
$427 USD
View
A
Retailer 4
-
£355 GBP
$473 USD
View
A
Retailer 5
-
£355 GBP
$473 USD
View
A
Retailer 6
-
£394 GBP
HK$4,100 HKD
View
A
Retailer 7
-
£466 GBP
$620 USD
View
A
Retailer 8
-
£477 GBP
$635 USD
View
A
Retailer 9
-
£537 GBP
View
A
Retailer 10
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£540 GBP
$719 USD
View
A
Retailer 11
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£557 GBP
€706 EUR
View
A
Retailer 12
-
£611 GBP
ZAR 13,140 ZAR
View
A
Retailer 13
-
£640 GBP
View
A
Retailer 14
-
£699 GBP
$931 USD
View
B+
Retailer 15
-
£825 GBP
A$1,690 AUD
View
B+
Retailer 16
-
£997 GBP
$1,328 USD
View
B+
Retailer 17
-
£1,143 GBP
$1,522 USD
View
B+
Retailer 18
-
£1,153 GBP
SGD 2,075 SGD
View
B+
Retailer 19
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£1,171 GBP
$1,560 USD
View
B+
Retailer 20
-
£1,265 GBP
$1,685 USD
View
B+
Retailer 21
-
£1,331 GBP
$1,772 USD
View
B
Retailer 22
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£1,332 GBP
$1,773 USD
View
B+
Retailer 23
-
£1,390 GBP
View
B
Retailer 24
-
£1,554 GBP
$2,069 USD
View
Most Expensive
Rare Carat
AJ-00003185 · Oct 18
£1,630 GBP
$2,170 USD
View
Price last confirmed 11 days ago
24 more retailers have this diamond
Prices start from £287 GBPSave up to £1,267 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
£287 GBP