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Cushion|Lab Grown|IGI

0.90ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG578315805

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG578315805

Diamond specifications and retailer prices

From $225 USD
As of November 4, 2026
Save $1,162 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,387 USD at MOH London · As of November 2, 2026
View at MOH London

About this 0.9ct lab-grown cushion diamond

This 0.9ct lab-grown cushion sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578315805 or 578315805. Listed at 15 retailers as of November 2, 2026, with prices from $225 to $1,387, a $1,162 spread on the same certified stone. MOH London lists it at $1,387. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578315805
Dimensions5.95 × 5.66 × 3.53 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.95 mm5.66 mm0.90 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578315805
Side View
Table 64.0%Crown 33.6°Girdle: THN-STKPavilion 38.5°Culet: NoneDepth 62.4%

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: $1,387 USD|Low: $166 USD|High: $1,405 USD|Avg: $484 USD|-1.1%
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 12$166 USD
Retailer 10$225 USD
Retailer 2$276 USD
Retailer 7$294 USD
Retailer 6$301 USD
Retailer 9$342 USD
Retailer 5$414 USD
Retailer 4$483 USD
Retailer 3$561 USD
Retailer 8$570 USD
Retailer 11$868 USD
MOH London$1,387 USD

45 data points across 12 retailers

15 retailers$225 USD to $1,387 USD

Retailer 1
-
$166 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
$225 USD
View
A
Retailer 3
-
$276 USD
View
A
Retailer 4
-
$294 USD
View
A
Retailer 5
-
$299 USD
View
A
Retailer 6
-
$301 USD
View
A
Retailer 7
-
$342 USD
View
A
Retailer 8
-
$414 USD
View
B+
Retailer 9
-
$483 USD
View
B+
Retailer 10
-
$518 USD
View
Retailer 11
-
$561 USD
View
Price last confirmed 24 days ago
B+
Retailer 12
-
$570 USD
View
B+
Retailer 13
-
$590 USD
View
B
Retailer 14
-
$868 USD
View
Most Expensive
B
MOH London
LG578315805 · Nov 2
$1,387 USD
£1,092 GBP
View
14 more retailers have this diamond
Prices start from $225 USDSave up to $1,162 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
0.90ct Cushion
$225 USD