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 $399 NZD
$225 USD
As of November 1, 2026
Save $2,061 NZD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,461 NZD at MOH London · As of November 1, 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 1, 2026, with prices from $399 to $2,461, a $2,061 spread on the same certified stone. MOH London lists it at $2,461. 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
Colour
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 1
Current: $2,461 NZD|Low: $295 NZD|High: $2,492 NZD|Avg: $846 NZD|-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 2, 2026
Retailer 12$295 NZD
Retailer 10$399 NZD
Retailer 2$499 NZD
Retailer 7$522 NZD
Retailer 6$536 NZD
Retailer 9$607 NZD
Retailer 5$735 NZD
Retailer 4$857 NZD
Retailer 3$997 NZD
Retailer 8$1,011 NZD
Retailer 11$1,541 NZD
MOH London$2,461 NZD

45 data points across 12 retailers

15 retailers$399 NZD to $2,461 NZD

Retailer 1
-
$295 NZD
$166 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
$399 NZD
$225 USD
View
A
Retailer 3
-
$499 NZD
£221 GBP
View
A
Retailer 4
-
$522 NZD
€280 EUR
View
A
Retailer 5
-
$531 NZD
$299 USD
View
A
Retailer 6
-
$536 NZD
ZAR 4,878 ZAR
View
A
Retailer 7
-
$607 NZD
£269 GBP
View
A
Retailer 8
-
$735 NZD
A$637 AUD
View
B+
Retailer 9
-
$857 NZD
$483 USD
View
B+
Retailer 10
-
$919 NZD
$518 USD
View
Retailer 11
-
$997 NZD
SGD 759 SGD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
$1,011 NZD
$570 USD
View
B+
Retailer 13
-
$1,047 NZD
$590 USD
View
B
Retailer 14
-
$1,541 NZD
£684 GBP
View
Most Expensive
B
MOH London
LG578315805 · Nov 1
$2,461 NZD
£1,092 GBP
View
14 more retailers have this diamond
Prices start from $399 NZDSave up to $2,061 NZD

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
$399 NZD