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Cushion|Lab Grown|IGI

1.91ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG843651667

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843651667

Diamond specifications and retailer prices

From £235 GBP
$315 USD
As of November 1, 2026
Save £659 GBP (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £894 GBP at Brilliance · As of November 1, 2026
View at Brilliance

About this 1.91ct lab-grown cushion diamond

This 1.91ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843651667 or 843651667. Listed at 3 retailers as of November 1, 2026, with prices from £235 to £894, a £659 spread on the same certified stone. Brilliance lists it at £894. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843651667
Dimensions8.61 × 6.43 × 4.40 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.61 mm6.43 mm1.91 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843651667
Side View
Table 60.0%Crown 33.9°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £894 GBP|Low: £235 GBP|High: £902 GBP|Avg: £503 GBP|-0.9%
Brilliance
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£235 GBP
Retailer 3£344 GBP
Brilliance£894 GBP

5 data points across 3 retailers

3 retailers£235 GBP to £894 GBP

A
Cheapest Retailer
-
£235 GBP
$315 USD
Final sale: no returns
B+
Retailer 2
-
£344 GBP
$461 USD
View
Most Expensive
B
Brilliance
D46350771 · Nov 1
£894 GBP
$1,200 USD
View
2 more retailers have this diamond
Prices start from £235 GBPSave up to £659 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
1.91ct Cushion
£235 GBP