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Round|Lab Grown|IGI

1.57ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG787639607

Certificate IGI LG787639607

Diamond specifications and retailer prices

From £894 GBP
$1,190 USD
As of October 30, 2026
Save £578 GBP (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,472 GBP at Jared · As of October 28, 2026
View at Jared

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787639607 or 787639607. Listed at 3 retailers as of October 28, 2026, with prices from £894 to £1,472, a £578 spread on the same certified stone. Jared lists it at £1,472. 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

1.57
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787639607
Dimensions7.40 × 7.45 mm
L/W Ratio1.01
Top View
7.40 mm7.45 mm1.57 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787639607
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £1,472 GBP|Low: £894 GBP|High: £1,472 GBP|Avg: £1,183 GBP
Jared
Retailer 2
Retailer 3
May 14, 2026
Retailer 2£894 GBP
Retailer 3£894 GBP
Jared£1,472 GBP

3 data points across 3 retailers

3 retailers£894 GBP to £1,472 GBP

B
Cheapest Retailer
-
£894 GBP
$1,190 USD
B
Retailer 2
-
£894 GBP
$1,190 USD
View
Most Expensive
B
Jared
158584880 · Oct 28
£1,472 GBP
$1,960 USD
View
2 more retailers have this diamond
Prices start from £894 GBPSave up to £578 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
1.57ct Round
£894 GBP