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Oval|Lab Grown|IGI

1.50ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG853643338

Certificate IGI LG853643338

Diamond specifications and retailer prices

From £233 GBP
$312 USD
As of November 1, 2026
Save £351 GBP (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £584 GBP at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG853643338 or 853643338. Listed at 2 retailers as of November 1, 2026, with prices from £233 to £584, a £351 spread on the same certified stone. Taylor and Hart lists it at £584. 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

1.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG853643338
Dimensions9.47 × 6.30 × 3.75 mm
L/W Ratio1.50
Top View
9.47 mm6.30 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853643338
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCuletDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £233 GBP|Low: £233 GBP|High: £584 GBP|Avg: £408 GBP
Retailer 1
Taylor and Hart
November 1, 2026
Retailer 1£233 GBP
Taylor and Hart£584 GBP

1 data point across 2 retailers

2 retailers£233 GBP to £584 GBP

B+
Cheapest Retailer
-
£233 GBP
$312 USD
Most Expensive
B
Taylor and Hart
46A61D5 · Nov 1
£584 GBP
$782 USD
View
1 more retailer has this diamond
Prices start from £233 GBPSave up to £351 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.

B+
1.50ct Oval
£233 GBP