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Round|Lab Grown|IGI

1.53ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG660459213

Certificate IGI LG660459213

Diamond specifications and retailer prices

From £656 GBP
As of November 6, 2026
Save £236 GBP (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £892 GBP at Zales · As of November 6, 2026
View at Zales

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459213 or 660459213. Listed at 3 retailers as of November 6, 2026, with prices from £656 to £892, a £236 spread on the same certified stone. Zales lists it at £892. 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

1.53
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459213
Dimensions7.34 × 7.39 mm
L/W Ratio1.01
Top View
7.34 mm7.39 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459213
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

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

Last verified: Nov 6
Current: £656 GBP|Low: £656 GBP|High: £1,419 GBP|Avg: £964 GBP|-53.8%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1£656 GBP
Retailer 2£892 GBP
Zales£892 GBP

6 data points across 3 retailers

3 retailers£656 GBP to £892 GBP

B+
Cheapest Retailer
-
£656 GBP
B
Retailer 2
-
£892 GBP
View
Most Expensive
B
Zales
523931873 · Nov 6
£892 GBP
$1,200 USD
View
2 more retailers have this diamond
Prices start from £656 GBPSave up to £236 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+
1.53ct Round
£656 GBP