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0.57ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG12687605

Certificate IGI LG12687605

Diamond specifications and retailer prices

From £1,132 GBP
$1,516 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £1,132 GBP at Taylor and Hart
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 Taylor and Hart

About this 0.57ct lab-grown round diamond

This 0.57ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12687605 or 12687605. 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

0.57
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG12687605
Dimensions5.39 × 5.41 × 3.23 mm
L/W Ratio1.00
Top View
5.39 mm5.41 mm0.57 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12687605
Side View
Table 62.0%CrownGirdlePavilionCuletDepth 59.9%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 31
Current: £1,132 GBP|Low: £1,132 GBP|High: £1,132 GBP|Avg: £1,132 GBP
February 21, 2026
Taylor and Hart£1,132 GBP

1 data point across 1 retailer

1 retailer

C
Taylor and Hart
YQPSAY3 · Oct 31
£1,132 GBP
$1,516 USD
View

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C
0.57ct Round
£1,132 GBP