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Cushion|Lab Grown|IGI

4.33ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG851617337

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851617337

Diamond specifications and retailer prices

From £860 GBP
As of October 29, 2026
Save £5,484 GBP (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,344 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.33ct lab-grown cushion diamond

This 4.33ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851617337 or 851617337. Listed at 13 retailers as of October 28, 2026, with prices from £860 to £6,344, a £5,484 spread on the same certified stone. Brilliant Earth lists it at £6,344. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.33
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851617337
Dimensions12.18 × 8.61 × 5.33 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm8.61 mm4.33 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851617337
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 61.9%

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 29
Current: £6,344 GBP|Low: £857 GBP|High: £6,344 GBP|Avg: £2,342 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10£860 GBP
Retailer 3£1,086 GBP
Retailer 9£1,243 GBP
Retailer 12£1,370 GBP
Retailer 6£1,388 GBP
Retailer 2£1,526 GBP
Retailer 13£1,547 GBP
Retailer 7£2,039 GBP
Retailer 5£2,346 GBP
Retailer 11£2,773 GBP
Retailer 8£3,094 GBP
Retailer 4£3,349 GBP
Brilliant Earth£6,344 GBP

4 data points across 13 retailers

13 retailers£860 GBP to £6,344 GBP

A
Cheapest Retailer
-
£860 GBP
A
Retailer 2
-
£1,086 GBP
$1,455 USD
View
A
Retailer 3
-
£1,243 GBP
$1,666 USD
View
A
Retailer 4
-
£1,370 GBP
$1,835 USD
View
A
Retailer 5
-
£1,388 GBP
View
A
Retailer 6
-
£1,526 GBP
€1,947 EUR
View
B+
Retailer 7
-
£1,547 GBP
$2,073 USD
View
B+
Retailer 8
-
£2,039 GBP
ZAR 44,129 ZAR
View
B+
Retailer 9
-
£2,346 GBP
$3,144 USD
View
B
Retailer 10
-
£2,773 GBP
$3,715 USD
View
B
Retailer 11
-
£3,094 GBP
View
B
Retailer 12
-
£3,349 GBP
$4,487 USD
View
Most Expensive
B
Brilliant Earth
22319721A · Oct 28
£6,344 GBP
$8,500 USD
View
12 more retailers have this diamond
Prices start from £860 GBPSave up to £5,484 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
4.33ct Cushion
£860 GBP