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Cushion|Lab Grown|IGI

1.98ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG591325381

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG591325381

Diamond specifications and retailer prices

From £356 GBP
As of November 4, 2026
Save £750 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,105 GBP at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.98ct lab-grown cushion diamond

This 1.98ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591325381 or 591325381. Listed at 10 retailers as of November 4, 2026, with prices from £356 to £1,105, a £750 spread on the same certified stone. With Clarity lists it at £1,105. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.98
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591325381
Dimensions7.33 × 7.33 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.33 mm7.33 mm1.98 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591325381
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 62.3%

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 4
Current: £444 GBP|Low: £356 GBP|High: £1,144 GBP|Avg: £720 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 2£356 GBP
Retailer 1£444 GBP
Retailer 4£494 GBP
Retailer 8£519 GBP
Retailer 6£639 GBP
Retailer 5£659 GBP
Retailer 9£819 GBP
Retailer 7£1,024 GBP
Retailer 3£1,037 GBP
With Clarity£1,105 GBP

9 data points across 10 retailers

10 retailers£356 GBP to £1,105 GBP

B+
Cheapest Retailer
-
£356 GBP
A
Retailer 2
-
£444 GBP
View
Retailer 3
-
£659 GBP
View
Price last confirmed 83 days ago
Retailer 4
-
£1,037 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£1,042 GBP
View
Price last confirmed 101 days ago
Retailer 6
-
£1,042 GBP
View
Price last confirmed 101 days ago
Retailer 7
-
£1,042 GBP
View
Price last confirmed 101 days ago
Retailer 8
-
£1,042 GBP
View
Price last confirmed 101 days ago
Retailer 9
-
£1,055 GBP
View
Price last confirmed 57 days ago
Most Expensive
B
With Clarity
591325381 · Nov 5
£1,105 GBP
$1,492 USD
View
9 more retailers have this diamond
Prices start from £356 GBPSave up to £750 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
1.98ct Cushion
£356 GBP