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Cushion|Lab Grown|IGI

0.89ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG588371560

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG588371560

Diamond specifications and retailer prices

From £244 GBP
€311 EUR
As of October 31, 2026
Save £401 GBP (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £645 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.89ct lab-grown cushion diamond

This 0.89ct lab-grown cushion sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG588371560 or 588371560. Listed at 6 retailers as of October 31, 2026, with prices from £244 to £645, a £401 spread on the same certified stone. MOH London lists it at £645. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.89
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588371560
Dimensions6.98 × 4.92 × 3.35 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.98 mm4.92 mm0.89 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588371560
Side View
Table 60.0%Crown 33.7°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 68.1%

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 31
Current: £645 GBP|Low: £185 GBP|High: £652 GBP|Avg: £403 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4£185 GBP
Retailer 8£219 GBP
Retailer 3£244 GBP
Retailer 10£294 GBP
Retailer 2£344 GBP
Retailer 6£451 GBP
Retailer 5£466 GBP
Retailer 9£513 GBP
Retailer 7£553 GBP
MOH London£645 GBP

26 data points across 10 retailers

6 retailers£244 GBP to £645 GBP

Retailer 1
-
£185 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
£244 GBP
€311 EUR
View
B+
Retailer 3
-
£344 GBP
A$709 AUD
View
B+
Retailer 4
-
£460 GBP
$616 USD
View
Retailer 5
-
£466 GBP
SGD 844 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG588371560 · Nov 1
£645 GBP
View
5 more retailers have this diamond
Prices start from £244 GBPSave up to £401 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
0.89ct Cushion
£244 GBP