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Cushion|Lab Grown|IGI

3.80ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG843690361

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843690361

Diamond specifications and retailer prices

From £698 GBP
$930 USD
As of October 27, 2026
Save £1,898 GBP (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,529 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.8ct lab-grown cushion diamond

This 3.8ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843690361 or 843690361. Listed at 16 retailers as of October 27, 2026, with a 272% 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

3.80
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843690361
Dimensions11.29 × 8.02 × 5.10 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
11.29 mm8.02 mm3.80 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843690361
Side View
Table 65.0%Crown 38.2°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 63.6%

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: £3,529 GBP|Low: £698 GBP|High: £3,529 GBP|Avg: £1,783 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 28, 2026
Retailer 5£698 GBP
Retailer 10£842 GBP
Retailer 2£871 GBP
Retailer 15£1,024 GBP
Retailer 12£1,036 GBP
Retailer 9£1,098 GBP
Retailer 11£1,105 GBP
Retailer 3£1,665 GBP
Retailer 7£1,684 GBP
Retailer 16£2,064 GBP
Retailer 13£2,265 GBP
Retailer 6£2,433 GBP
Retailer 4£2,507 GBP
Retailer 14£2,596 GBP
Retailer 8£2,812 GBP
Rare Carat£3,529 GBP

12 data points across 16 retailers

16 retailers£698 GBP to £2,596 GBP

A
Cheapest Retailer
-
£698 GBP
$930 USD
Final sale: no returns
A
Retailer 2
-
£842 GBP
View
A
Retailer 3
-
£871 GBP
$1,160 USD
View
A
Retailer 4
-
£1,024 GBP
$1,363 USD
View
A
Retailer 5
-
£1,036 GBP
$1,380 USD
View
A
Retailer 6
-
£1,098 GBP
€1,392 EUR
View
A
Retailer 7
-
£1,105 GBP
View
A
Retailer 8
-
£1,665 GBP
ZAR 35,821 ZAR
View
A
Retailer 9
-
£1,684 GBP
A$3,450 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£2,064 GBP
$2,749 USD
View
B+
Retailer 11
-
£2,265 GBP
$3,016 USD
View
B+
Retailer 12
-
£2,433 GBP
SGD 4,378 SGD
View
B+
Retailer 13
-
£2,507 GBP
$3,339 USD
View
B+
Retailer 14
-
£2,596 GBP
$3,457 USD
View
B+
Retailer 15
-
£2,812 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Rare Carat
CN371-30A · Oct 21
£3,529 GBP
$4,700 USD
View
Price last confirmed 8 days ago
15 more retailers have this diamond
Prices start from £698 GBPSave up to £1,898 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
3.80ct Cushion
£698 GBP