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Cushion|Lab Grown|IGI

1.29ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG778662768

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778662768

Diamond specifications and retailer prices

From $386 AUD
£214 GBP
As of October 30, 2026
Save $1,060 AUD (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,446 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown cushion diamond

This 1.29ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778662768 or 778662768. Listed at 5 retailers as of October 29, 2026, with prices from $386 to $1,446, a $1,060 spread on the same certified stone. MOH London lists it at $1,446. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778662768
Dimensions7.54 × 5.31 × 3.49 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.54 mm5.31 mm1.29 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778662768
Side View
Table 71.0%Crown 35°Girdle: MED-THKPavilion 30.7°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,446 AUD|Low: $231 AUD|High: $1,715 AUD|Avg: $834 AUD|-7.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$231 AUD
Retailer 2$386 AUD
Retailer 5$547 AUD
Retailer 7$578 AUD
Retailer 9$632 AUD
Retailer 6$666 AUD
Retailer 4$750 AUD
Retailer 10$925 AUD
Retailer 11$1,186 AUD
MOH London$1,446 AUD
Retailer 3$1,715 AUD

34 data points across 11 retailers

5 retailers$386 AUD to $1,446 AUD

A
Cheapest Retailer
-
$386 AUD
£214 GBP
B+
Retailer 2
-
$547 AUD
$384 USD
View
A
Retailer 3
-
$666 AUD
$468 USD
View
A
Retailer 4
-
$750 AUD
View
Most Expensive
B
MOH London
LG778662768 · Oct 29
$1,446 AUD
£800 GBP
View
4 more retailers have this diamond
Prices start from $386 AUDSave up to $1,060 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
1.29ct Cushion
$386 AUD