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Oval|Lab Grown|IGI

1.54ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG849654846

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG849654846

Diamond specifications and retailer prices

From £232 GBP
$311 USD
As of October 31, 2026
Save £875 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,108 GBP at Diamonds Direct · As of October 31, 2026
View at Diamonds Direct

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849654846 or 849654846. Listed at 4 retailers as of October 31, 2026, with prices from £232 to £1,108, a £875 spread on the same certified stone. Diamonds Direct lists it at £1,108. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849654846
Dimensions9.69 × 6.48 × 3.91 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.69 mm6.48 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849654846
Side View
Table 63.0%Crown 33.9°Girdle: MED-STKPavilion 40.3°CuletDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,108 GBP|Low: £232 GBP|High: £1,108 GBP|Avg: £636 GBP
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2£232 GBP
Retailer 3£451 GBP
Retailer 4£752 GBP
Diamonds Direct£1,108 GBP

1 data point across 4 retailers

4 retailers£232 GBP to £1,108 GBP

A
Cheapest Retailer
-
£232 GBP
$311 USD
B+
Retailer 2
-
£451 GBP
View
B
Retailer 3
-
£752 GBP
$1,007 USD
View
Most Expensive
B
Diamonds Direct
1154064 · Oct 31
£1,108 GBP
$1,484 USD
View
3 more retailers have this diamond
Prices start from £232 GBPSave up to £875 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
£232 GBP