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Cushion|Lab Grown|IGI

0.98ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG591396520

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG591396520

Diamond specifications and retailer prices

From £122 GBP
$164 USD
As of November 1, 2026
Save £515 GBP (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £637 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.98ct lab-grown cushion diamond

This 0.98ct 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 LG591396520 or 591396520. Listed at 8 retailers as of October 29, 2026, with prices from £122 to £637, a £515 spread on the same certified stone. MOH London lists it at £637. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.98
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591396520
Dimensions7.15 × 5.16 × 3.42 mm
L/W Ratio1.39
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
7.15 mm5.16 mm0.98 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591396520
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
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: Nov 1
Current: £637 GBP|Low: £83 GBP|High: £785 GBP|Avg: £422 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£122 GBP
Retailer 4£175 GBP
Retailer 2£239 GBP
Retailer 10£241 GBP
Retailer 5£338 GBP
Retailer 8£441 GBP
Retailer 6£459 GBP
Retailer 9£519 GBP
Retailer 11£554 GBP
MOH London£637 GBP
Retailer 3£785 GBP

28 data points across 11 retailers

8 retailers£122 GBP to £637 GBP

A
Cheapest Retailer
-
£122 GBP
$164 USD
Final sale: no returns
A
Retailer 2
-
£175 GBP
View
A
Retailer 3
-
£239 GBP
€305 EUR
View
A
Retailer 4
-
£338 GBP
A$696 AUD
View
Retailer 5
-
£383 GBP
$513 USD
View
B+
Retailer 6
-
£450 GBP
$603 USD
View
Retailer 7
-
£459 GBP
SGD 831 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG591396520 · Oct 29
£637 GBP
View
7 more retailers have this diamond
Prices start from £122 GBPSave up to £515 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
0.98ct Cushion
£122 GBP