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Cushion|Lab Grown|IGI

1.75ct G SI2 Cushion Lab Grown Diamond

ID • G/SI2 • IGI LG583341614

Certificate IGI LG583341614

Diamond specifications and retailer prices

From £903 GBP
$1,210 USD
As of October 30, 2026
Save £82 GBP (8%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £985 GBP at Zales · As of October 30, 2026
View at Zales

About this 1.75ct lab-grown cushion diamond

This 1.75ct lab-grown cushion 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 LG583341614 or 583341614. Listed at 3 retailers as of October 30, 2026, with a relatively tight 9% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.75
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG583341614
Dimensions7.13 × 6.92 mm
L/W Ratio1.03
Top View
7.13 mm6.92 mm1.75 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583341614
Side View
Table 63.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Oct 30
Current: £903 GBP|Low: £903 GBP|High: £1,605 GBP|Avg: £1,182 GBP|-43.7%
Retailer 1
Retailer 2
Zales
September 25, 2026
Retailer 1£903 GBP
Retailer 2£985 GBP
Zales£985 GBP

7 data points across 3 retailers

3 retailers£903 GBP to £985 GBP

B
Cheapest Retailer
-
£903 GBP
$1,210 USD
B
Retailer 2
-
£985 GBP
$1,320 USD
View
Most Expensive
B
Zales
517457989 · Oct 30
£985 GBP
$1,320 USD
View
2 more retailers have this diamond
Prices start from £903 GBPSave up to £82 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
1.75ct Cushion
£903 GBP