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Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG783632860

Shape and cutting style on the report: Cushion step cut

Certificate IGI LG783632860

Diamond specifications and retailer prices

From $639 AUD
$449 USD
As of October 27, 2026
Save $2,289 AUD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,929 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783632860 or 783632860. Listed at 20 retailers as of October 27, 2026, with prices from $639 to $2,929, a $2,289 spread on the same certified stone. MOH London lists it at $2,929. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783632860
Dimensions7.62 × 6.28 × 3.65 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.62 mm6.28 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783632860
Side View
Table 59.0%Crown 38.8°Girdle: THK-VTKPavilion 36.7°Culet: NoneDepth 58.1%

Caratlytics Score

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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 27
Current: $2,929 AUD|Low: $613 AUD|High: $3,247 AUD|Avg: $1,534 AUD|+0.4%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 7$639 AUD
Retailer 3$716 AUD
Retailer 9$716 AUD
Retailer 5$793 AUD
Retailer 6$793 AUD
Retailer 10$873 AUD
Retailer 15$875 AUD
Retailer 19$931 AUD
Retailer 14$996 AUD
Retailer 11$1,065 AUD
Retailer 13$1,251 AUD
Retailer 2$1,307 AUD
Retailer 16$1,860 AUD
Retailer 20$2,131 AUD
Retailer 18$2,516 AUD
Retailer 4$2,548 AUD
Retailer 12$2,594 AUD
Retailer 17$2,778 AUD
Retailer 8$2,831 AUD
MOH London$2,929 AUD

38 data points across 20 retailers

20 retailers$639 AUD to $2,929 AUD

A
Cheapest Retailer
-
$639 AUD
$449 USD
A
Retailer 2
-
$716 AUD
$503 USD
View
Final sale: no returns
A
Retailer 3
-
$716 AUD
$503 USD
View
A
Retailer 4
-
$793 AUD
$557 USD
View
A
Retailer 5
-
$793 AUD
$557 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$873 AUD
$613 USD
View
A
Retailer 7
-
$875 AUD
HK$4,800 HKD
View
A
Retailer 8
-
$931 AUD
£515 GBP
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$996 AUD
$700 USD
View
B+
Retailer 10
-
$1,065 AUD
$748 USD
View
B+
Retailer 11
-
$1,251 AUD
€837 EUR
View
B+
Retailer 12
-
$1,307 AUD
£723 GBP
View
B
Retailer 13
-
$1,860 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$2,131 AUD
$1,497 USD
View
B
Retailer 15
-
$2,516 AUD
SGD 2,389 SGD
View
B
Retailer 16
-
$2,548 AUD
$1,790 USD
View
B
Retailer 17
-
$2,594 AUD
$1,823 USD
View
B
Retailer 18
-
$2,778 AUD
$1,952 USD
View
B
Retailer 19
-
$2,831 AUD
$1,989 USD
View
Most Expensive
B
MOH London
LG783632860 · Oct 29
$2,929 AUD
£1,620 GBP
View
19 more retailers have this diamond
Prices start from $639 AUDSave up to $2,289 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
1.55ct Cushion
$639 AUD