Cushion|Lab Grown|IGI

0.80ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG788668878

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG788668878

Diamond specifications and retailer prices

From $256 AUD
As of November 4, 2026
Save $527 AUD (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,847 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 0.8ct lab-grown cushion diamond

This 0.8ct lab-grown cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788668878 or 788668878. Listed at 12 retailers as of November 4, 2026, with a 206% 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

0.80
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788668878
Dimensions5.33 × 5.28 × 3.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.33 mm5.28 mm0.80 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788668878
Side View
Table 70.0%Crown 42.3°Girdle: THN-MEDPavilion 37.8°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: Nov 4
Current: $1,847 AUD|Low: $293 AUD|High: $1,854 AUD|Avg: $667 AUD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 10$343 AUD
Retailer 2$349 AUD
Retailer 8$384 AUD
Retailer 12$394 AUD
Retailer 6$421 AUD
Retailer 7$540 AUD
Retailer 3$563 AUD
Retailer 11$609 AUD
Retailer 9$657 AUD
Retailer 5$783 AUD
Retailer 4$1,131 AUD
MOH London$1,847 AUD

32 data points across 12 retailers

12 retailers$256 AUD to $783 AUD

A
Cheapest Retailer
-
$256 AUD
A
Retailer 2
-
$349 AUD
View
A
Retailer 3
-
$384 AUD
View
Retailer 4
-
$394 AUD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$421 AUD
View
B+
Retailer 6
-
$540 AUD
View
Retailer 7
-
$563 AUD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$609 AUD
View
B+
Retailer 9
-
$657 AUD
View
B+
Retailer 10
-
$783 AUD
View
Retailer 11
-
$1,131 AUD
View
Price last confirmed 20 days ago
Most Expensive
MOH London
LG788668878 · Oct 25
$1,847 AUD
£1,018 GBP
View
Price last confirmed 11 days ago
11 more retailers have this diamond
Prices start from $256 AUDSave up to $527 AUD

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
0.80ct Cushion
$256 AUD