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Round|Lab Grown|IGI

1.45ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG696546540

Certificate IGI LG696546540

Diamond specifications and retailer prices

From £581 GBP
As of November 6, 2026
Save £214 GBP (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £795 GBP at Zales · As of November 4, 2026
View at Zales

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696546540 or 696546540. Listed at 3 retailers as of November 4, 2026, with prices from £581 to £795, a £214 spread on the same certified stone. Zales lists it at £795. 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

1.45
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG696546540
Dimensions7.26 × 7.30 mm
L/W Ratio1.01
Top View
7.26 mm7.30 mm1.45 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696546540
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.1%

Caratlytics Score

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

Last verified: Nov 6
Current: £581 GBP|Low: £581 GBP|High: £1,345 GBP|Avg: £969 GBP|-56.8%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1£581 GBP
Retailer 2£795 GBP
Zales£795 GBP

8 data points across 3 retailers

3 retailers£581 GBP to £795 GBP

B+
Cheapest Retailer
-
£581 GBP
B
Retailer 2
-
£795 GBP
View
Most Expensive
B
Zales
524897252 · Nov 4
£795 GBP
$1,070 USD
View
2 more retailers have this diamond
Prices start from £581 GBPSave up to £214 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+
1.45ct Round
£581 GBP