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Oval|Lab Grown|IGI

1.54ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG825643801

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825643801

Diamond specifications and retailer prices

From £241 GBP
$323 USD
As of October 30, 2026
Save £1,147 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,388 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825643801 or 825643801. Listed at 12 retailers as of October 29, 2026, with prices from £241 to £1,388, a £1,147 spread on the same certified stone. Do Amore Diamonds lists it at £1,388. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825643801
Dimensions9.32 × 6.49 × 4.03 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.32 mm6.49 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825643801
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.1%

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 30
Current: £1,388 GBP|Low: £240 GBP|High: £1,388 GBP|Avg: £504 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9£241 GBP
Retailer 2£254 GBP
Retailer 10£278 GBP
Retailer 4£313 GBP
Retailer 3£334 GBP
Retailer 7£340 GBP
Retailer 8£579 GBP
Retailer 6£657 GBP
Retailer 12£665 GBP
Retailer 11£794 GBP
Retailer 5£798 GBP
Do Amore Diamonds£1,388 GBP

11 data points across 12 retailers

12 retailers£241 GBP to £1,388 GBP

B+
Cheapest Retailer
-
£241 GBP
$323 USD
A
Retailer 2
-
£254 GBP
View
A
Retailer 3
-
£278 GBP
$373 USD
View
Retailer 4
-
£334 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£340 GBP
$456 USD
View
B
Retailer 6
-
£579 GBP
$776 USD
View
B+
Retailer 7
-
£657 GBP
$880 USD
View
B+
Retailer 8
-
£665 GBP
$891 USD
View
B
Retailer 9
-
£784 GBP
$1,050 USD
View
B
Retailer 10
-
£794 GBP
SGD 1,438 SGD
View
B
Retailer 11
-
£798 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5183E1C71 · Oct 29
£1,388 GBP
$1,860 USD
View
11 more retailers have this diamond
Prices start from £241 GBPSave up to £1,147 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 Oval
£241 GBP