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Oval|Lab Grown|IGI

1.54ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036805

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036805

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 31, 2026
Save £3,084 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,718 GBP at MOH London · As of October 29, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036805 or 445036805. Listed at 11 retailers as of October 29, 2026, with prices from £634 to £3,718, a £3,084 spread on the same certified stone. MOH London lists it at £3,718. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036805
Dimensions9.18 × 6.54 × 4.12 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.18 mm6.54 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036805
Side View
Table 60.0%Crown 32.5°Girdle: MED-THKPavilion 42.3°Culet: NoneDepth 63.0%

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 31
Current: £3,718 GBP|Low: £634 GBP|High: £3,748 GBP|Avg: £1,741 GBP|+0.5%
MOH London
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 2£634 GBP
Retailer 5£993 GBP
Retailer 9£1,080 GBP
Retailer 10£1,111 GBP
Retailer 6£1,151 GBP
Retailer 11£1,280 GBP
Retailer 3£1,583 GBP
Retailer 7£1,820 GBP
Retailer 12£2,146 GBP
Retailer 8£2,158 GBP
Retailer 4£3,296 GBP
MOH London£3,718 GBP

16 data points across 12 retailers

11 retailers£634 GBP to £3,718 GBP

A
Cheapest Retailer
-
£634 GBP
$850 USD
B+
Retailer 2
-
£993 GBP
$1,330 USD
View
B+
Retailer 3
-
£1,080 GBP
$1,447 USD
View
B+
Retailer 4
-
£1,111 GBP
$1,488 USD
View
Final sale: no returns
Retailer 5
-
£1,151 GBP
$1,542 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£1,151 GBP
$1,542 USD
View
B+
Retailer 7
-
£1,280 GBP
$1,715 USD
View
B
Retailer 8
-
£1,820 GBP
$2,439 USD
View
B
Retailer 9
-
£2,146 GBP
$2,875 USD
View
B
Retailer 10
-
£2,158 GBP
$2,891 USD
View
Most Expensive
B
MOH London
LG445036805 · Oct 29
£3,718 GBP
View
10 more retailers have this diamond
Prices start from £634 GBPSave up to £3,084 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
£634 GBP