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Round|Lab Grown|IGI

1.74ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG660459311

Certificate IGI LG660459311

Diamond specifications and retailer prices

From £976 GBP
$1,300 USD
As of October 30, 2026
Save £466 GBP (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,442 GBP at Jared · As of October 30, 2026
View at Jared

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459311 or 660459311. Listed at 3 retailers as of October 30, 2026, with prices from £976 to £1,442, a £466 spread on the same certified stone. Jared lists it at £1,442. 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

1.74
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459311
Dimensions7.64 × 7.69 mm
L/W Ratio1.01
Top View
7.64 mm7.69 mm1.74 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459311
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.4%

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: £1,442 GBP|Low: £976 GBP|High: £1,442 GBP|Avg: £1,179 GBP
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2£976 GBP
Retailer 3£976 GBP
Jared£1,442 GBP

7 data points across 3 retailers

3 retailers£976 GBP to £1,442 GBP

B
Cheapest Retailer
-
£976 GBP
$1,300 USD
B
Retailer 2
-
£976 GBP
$1,300 USD
View
Most Expensive
C
Jared
154541435 · Oct 30
£1,442 GBP
$1,920 USD
View
2 more retailers have this diamond
Prices start from £976 GBPSave up to £466 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
1.74ct Round
£976 GBP