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Oval|Lab Grown|IGI

1.50ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG771646729

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG771646729

Diamond specifications and retailer prices

From £858 GBP
$1,150 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £858 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 LG771646729 or 771646729. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771646729
Dimensions9.07 × 6.44 × 4.06 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Top View
9.07 mm6.44 mm1.50 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771646729
Side View
Table 61.0%Crown 37.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £858 GBP|Low: £176 GBP|High: £858 GBP|Avg: £387 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
April 14, 2026
Retailer 3£212 GBP
Retailer 5£285 GBP
Retailer 2£344 GBP
Retailer 4£408 GBP
Retailer 6£622 GBP
Brilliant Earth£858 GBP

26 data points across 6 retailers

1 retailer

B
Brilliant Earth
17570078A · Oct 31
£858 GBP
$1,150 USD
View

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
£858 GBP