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Cushion|Lab Grown|IGI

3.18ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG739560226

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG739560226

Diamond specifications and retailer prices

From £1,179 GBP
$1,570 USD
As of October 28, 2026
Save £4,467 GBP (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,646 GBP at Yadav Diamonds · As of October 29, 2026
View at Yadav Diamonds

About this 3.18ct lab-grown cushion diamond

This 3.18ct 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 LG739560226 or 739560226. Listed at 6 retailers as of October 28, 2026, with prices from £1,179 to £5,646, a £4,467 spread on the same certified stone. Yadav Diamonds lists it at £5,646. 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

3.18
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739560226
Dimensions10.67 × 7.27 × 4.78 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.67 mm7.27 mm3.18 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739560226
Side View
Table 65.0%Crown 33.2°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 65.7%

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 28
Current: £3,109 GBP|Low: £683 GBP|High: £6,646 GBP|Avg: £2,341 GBP|-7.2%
Retailer 1
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
Yadav Diamonds
October 19, 2026
Retailer 11£683 GBP
Retailer 3£909 GBP
Retailer 9£1,179 GBP
Retailer 12£1,181 GBP
Retailer 14£1,186 GBP
Retailer 10£1,205 GBP
Retailer 6£1,218 GBP
Retailer 5£1,435 GBP
Retailer 13£2,439 GBP
Retailer 7£2,482 GBP
Retailer 2£2,548 GBP
Retailer 8£2,851 GBP
Retailer 1£3,109 GBP
Yadav Diamonds£5,646 GBP
Retailer 4£6,646 GBP

8 data points across 15 retailers

6 retailers£1,179 GBP to £5,646 GBP

A
Cheapest Retailer
-
£1,179 GBP
$1,570 USD
A
Retailer 2
-
£1,205 GBP
$1,605 USD
View
B+
Retailer 3
-
£2,482 GBP
$3,305 USD
View
Retailer 4
-
£2,851 GBP
A$5,841 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
£3,109 GBP
$4,140 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Yadav Diamonds
13186647 · Oct 29
£5,646 GBP
$7,519 USD
View
5 more retailers have this diamond
Prices start from £1,179 GBPSave up to £4,467 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
3.18ct Cushion
£1,179 GBP