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Cushion|Lab Grown|IGI

4.90ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG816694293

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816694293

Diamond specifications and retailer prices

From £1,288 GBP
$1,728 USD
As of November 1, 2026
Save £4,674 GBP (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £5,962 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.9ct lab-grown cushion diamond

This 4.9ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816694293 or 816694293. Listed at 5 retailers as of November 1, 2026, with prices from £1,288 to £5,962, a £4,674 spread on the same certified stone. Do Amore Diamonds lists it at £5,962. 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

4.90
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816694293
Dimensions12.26 × 8.79 × 5.82 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.26 mm8.79 mm4.90 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816694293
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 35.2°CuletDepth 66.2%

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: £5,962 GBP|Low: £796 GBP|High: £6,155 GBP|Avg: £2,747 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£796 GBP
Retailer 6£1,288 GBP
Retailer 4£1,289 GBP
Retailer 3£1,901 GBP
Retailer 2£3,010 GBP
Do Amore Diamonds£5,962 GBP

23 data points across 6 retailers

5 retailers£1,288 GBP to £5,962 GBP

A
Cheapest Retailer
-
£1,288 GBP
$1,728 USD
A
Retailer 2
-
£1,289 GBP
$1,730 USD
View
B+
Retailer 3
-
£1,901 GBP
A$3,924 AUD
View
B
Retailer 4
-
£3,010 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1792877 · Nov 2
£5,962 GBP
$8,000 USD
View
4 more retailers have this diamond
Prices start from £1,288 GBPSave up to £4,674 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
4.90ct Cushion
£1,288 GBP