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Round|Lab Grown|IGI

1.54ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG555273748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273748

Diamond specifications and retailer prices

From £284 GBP
$377 USD
As of October 29, 2026
Save £876 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,382 GBP at MOH London · As of October 21, 2026
View at MOH London

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273748 or 555273748. Listed at 14 retailers as of October 27, 2026, with a 309% 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
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273748
Dimensions7.35 × 7.34 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.35 mm7.34 mm1.54 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273748
Side View
Table 57.0%Crown 36.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

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: £1,382 GBP|Low: £284 GBP|High: £1,392 GBP|Avg: £732 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 8£284 GBP
Retailer 12£317 GBP
Retailer 9£352 GBP
Retailer 6£463 GBP
Retailer 11£537 GBP
Retailer 13£546 GBP
Retailer 10£561 GBP
Retailer 2£605 GBP
Retailer 5£737 GBP
Retailer 7£987 GBP
Retailer 3£1,160 GBP
Retailer 4£1,204 GBP
MOH London£1,382 GBP

21 data points across 13 retailers

14 retailers£284 GBP to £1,160 GBP

A
Cheapest Retailer
-
£284 GBP
$377 USD
A
Retailer 2
-
£317 GBP
$421 USD
View
Final sale: no returns
A
Retailer 3
-
£318 GBP
$422 USD
View
A
Retailer 4
-
£352 GBP
$468 USD
View
A
Retailer 5
-
£352 GBP
$468 USD
View
A
Retailer 6
-
£463 GBP
$615 USD
View
B+
Retailer 7
-
£537 GBP
$714 USD
View
B+
Retailer 8
-
£546 GBP
$725 USD
View
B+
Retailer 9
-
£561 GBP
$746 USD
View
B+
Retailer 10
-
£605 GBP
ZAR 12,980 ZAR
View
B
Retailer 11
-
£987 GBP
$1,311 USD
View
B
Retailer 12
-
£1,131 GBP
$1,503 USD
View
B
Retailer 13
-
£1,160 GBP
$1,542 USD
View
Most Expensive
B
MOH London
LG555273748 · Oct 21
£1,382 GBP
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from £284 GBPSave up to £876 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
£284 GBP