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Cushion|Lab Grown|IGI

0.78ct E VVS1 Cushion Lab Grown Diamond

VG • E/VVS1 • IGI LG743539360

Certificate IGI LG743539360

Diamond specifications and retailer prices

From £471 GBP
$631 USD
As of October 29, 2026
Save £156 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £627 GBP at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 0.78ct lab-grown cushion diamond

This 0.78ct lab-grown cushion sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG743539360 or 743539360. Listed at 4 retailers as of October 29, 2026, with prices from £471 to £627, a £156 spread on the same certified stone. Kay Jewelers lists it at £627. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG743539360
Dimensions6.85 × 4.91 × 3.10 mm
L/W Ratio1.40
Top View
6.85 mm4.91 mm0.78 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743539360
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £627 GBP|Low: £471 GBP|High: £716 GBP|Avg: £635 GBP|-8.7%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 26, 2026
Retailer 2£471 GBP
Retailer 4£522 GBP
Kay Jewelers£627 GBP
Retailer 3£627 GBP

9 data points across 4 retailers

4 retailers£471 GBP to £627 GBP

B+
Cheapest Retailer
-
£471 GBP
$631 USD
B
Retailer 2
-
£522 GBP
$700 USD
View
B
Retailer 3
-
£627 GBP
$840 USD
View
Most Expensive
B
Kay Jewelers
257160500 · Oct 30
£627 GBP
$840 USD
View
3 more retailers have this diamond
Prices start from £471 GBPSave up to £156 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.

B+
0.78ct Cushion
£471 GBP