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Cushion|Lab Grown|IGI

0.78ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG667443631

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG667443631

Diamond specifications and retailer prices

From $400 USD
As of October 30, 2026
Save $597 USD (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,111 USD at MOH London · As of October 1, 2026
View at MOH London

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 top-tier cut grade and certified by IGI LG667443631 or 667443631. Listed at 11 retailers as of October 29, 2026, with a 149% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667443631
Dimensions4.78 × 4.78 × 6.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.78 mm4.78 mm0.78 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667443631
Side View
Table 63.0%Crown 35.2°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 67.8%

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 30
Current: $1,111 USD|Low: $150 USD|High: $1,160 USD|Avg: $571 USD|+0.1%
MOH London
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 21
October 19, 2026
Retailer 7$219 USD
Retailer 21$235 USD
Retailer 18$315 USD
Retailer 9$335 USD
Retailer 20$381 USD
Retailer 16$400 USD
Retailer 5$416 USD
Retailer 3$422 USD
Retailer 4$427 USD
Retailer 8$452 USD
Retailer 15$511 USD
Retailer 19$558 USD
Retailer 6$596 USD
Retailer 14$610 USD
Retailer 17$616 USD
Retailer 11$773 USD
Retailer 10$809 USD
Retailer 2$845 USD
Retailer 13$997 USD
MOH London$1,111 USD
Retailer 12$1,160 USD

25 data points across 21 retailers

11 retailers$400 USD to $997 USD

Retailer 1
-
$315 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$400 USD
View
Retailer 3
-
$422 USD
ZAR 6,814 ZAR
View
Price last confirmed 28 days ago
Retailer 4
-
$427 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$511 USD
View
Retailer 6
-
$558 USD
A$858 AUD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$616 USD
View
Retailer 8
-
$809 USD
View
Price last confirmed 27 days ago
B
Retailer 9
-
$845 USD
CA$1,173 CAD
View
B
Retailer 10
-
$997 USD
View
Most Expensive
MOH London
LG667443631 · Oct 1
$1,111 USD
£875 GBP
View
Price last confirmed 29 days ago
10 more retailers have this diamond
Prices start from $400 USDSave up to $597 USD

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
0.78ct Cushion
$400 USD