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Cushion|Lab Grown|IGI

0.75ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG788668925

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG788668925

Diamond specifications and retailer prices

From £151 GBP
As of October 30, 2026
Save £241 GBP (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £700 GBP at Flawless Fine Jewelry · As of October 21, 2026
View at Flawless Fine Jewelry

About this 0.75ct lab-grown cushion diamond

This 0.75ct lab-grown cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788668925 or 788668925. Listed at 11 retailers as of October 30, 2026, with a 160% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.75
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.9°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788668925
Dimensions5.00 × 4.92 × 3.46 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.00 mm4.92 mm0.75 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788668925
Side View
Table 61.0%Crown 37.9°Girdle: STK-VTKPavilion 35.6°Culet: NoneDepth 70.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £700 GBP|Low: £151 GBP|High: £700 GBP|Avg: £348 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 25, 2026
Retailer 5£151 GBP
Retailer 2£184 GBP
Retailer 7£185 GBP
Retailer 8£227 GBP
Retailer 9£239 GBP
Retailer 12£248 GBP
Retailer 3£307 GBP
Retailer 11£342 GBP
Retailer 14£369 GBP
Retailer 13£393 GBP
Retailer 6£413 GBP
Retailer 4£471 GBP
Retailer 10£629 GBP
Flawless Fine Jewelry£700 GBP

21 data points across 14 retailers

11 retailers£151 GBP to £393 GBP

A
Cheapest Retailer
-
£151 GBP
Retailer 2
-
£184 GBP
View
Price last confirmed 10 days ago
Retailer 3
-
£185 GBP
View
Price last confirmed 14 days ago
Retailer 4
-
£239 GBP
View
Price last confirmed 17 days ago
Retailer 5
-
£248 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
£307 GBP
View
Price last confirmed 14 days ago
Retailer 7
-
£369 GBP
View
Price last confirmed 14 days ago
B
Retailer 8
-
£393 GBP
View
Retailer 9
-
£471 GBP
View
Price last confirmed 14 days ago
Retailer 10
-
£629 GBP
View
Price last confirmed 16 days ago
Most Expensive
Flawless Fine Jewelry
D73A92A12 · Oct 21
£700 GBP
View
Price last confirmed 13 days ago
10 more retailers have this diamond
Prices start from £151 GBPSave up to £241 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.

A
0.75ct Cushion
£151 GBP