Cushion|Lab Grown|IGI

3.55ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG846691056

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846691056

Diamond specifications and retailer prices

From £783 GBP
As of October 27, 2026
Save £1,650 GBP (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,551 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3.55ct lab-grown cushion diamond

This 3.55ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846691056 or 846691056. Listed at 12 retailers as of October 27, 2026, with a 211% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.55
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846691056
Dimensions10.85 × 7.64 × 5.13 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.85 mm7.64 mm3.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846691056
Side View
Table 64.0%Crown 39.2°Girdle: MED-STKPavilion 33°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £2,551 GBP|Low: £657 GBP|High: £2,786 GBP|Avg: £1,539 GBP|-3.4%
MOH London
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 28, 2026
Retailer 13£657 GBP
Retailer 7£783 GBP
Retailer 2£805 GBP
Retailer 12£972 GBP
Retailer 11£972 GBP
Retailer 6£1,020 GBP
Retailer 9£1,036 GBP
Retailer 3£1,579 GBP
Retailer 5£1,581 GBP
Retailer 8£2,262 GBP
Retailer 4£2,321 GBP
Retailer 10£2,432 GBP
MOH London£2,551 GBP

8 data points across 13 retailers

12 retailers£783 GBP to £2,432 GBP

A
Cheapest Retailer
-
£783 GBP
Retailer 2
-
£805 GBP
$1,080 USD
View
Price last confirmed 5 days ago
Retailer 3
-
£972 GBP
$1,304 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£972 GBP
$1,305 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£1,020 GBP
€1,303 EUR
View
A
Retailer 6
-
£1,036 GBP
View
Retailer 7
-
£1,579 GBP
ZAR 34,236 ZAR
View
Price last confirmed 9 days ago
Retailer 8
-
£1,581 GBP
A$3,263 AUD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£2,262 GBP
SGD 4,102 SGD
View
Retailer 10
-
£2,321 GBP
$3,114 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
£2,432 GBP
$3,264 USD
View
Most Expensive
B
MOH London
LG846691056 · Oct 26
£2,551 GBP
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from £783 GBPSave up to £1,650 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
3.55ct Cushion
£783 GBP