Cushion|Lab Grown|IGI

1.09ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG846631574

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG846631574

Diamond specifications and retailer prices

From $304 USD
As of October 30, 2026
Save $770 USD (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,074 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846631574 or 846631574. Listed at 7 retailers as of October 29, 2026, with prices from $304 to $1,074, a $770 spread on the same certified stone. MOH London lists it at $1,074. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846631574
Dimensions5.76 × 5.66 × 3.67 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.76 mm5.66 mm1.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846631574
Side View
Table 65.0%Crown 34.3°Girdle: THK-VTKPavilion 32.4°Culet: NoneDepth 64.8%

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 30
Current: $1,074 USD|Low: $304 USD|High: $1,123 USD|Avg: $541 USD|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$304 USD
Retailer 7$310 USD
Retailer 2$332 USD
Retailer 3$393 USD
Retailer 4$471 USD
Retailer 5$789 USD
MOH London$1,074 USD

11 data points across 7 retailers

7 retailers$304 USD to $1,074 USD

A
Cheapest Retailer
-
$304 USD
B+
Retailer 2
-
$310 USD
View
A
Retailer 3
-
$332 USD
£261 GBP
View
A
Retailer 4
-
$393 USD
ZAR 6,341 ZAR
View
A
Retailer 5
-
$471 USD
View
B+
Retailer 6
-
$789 USD
View
Most Expensive
B
MOH London
LG846631574 · Oct 29
$1,074 USD
£846 GBP
View
6 more retailers have this diamond
Prices start from $304 USDSave up to $770 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
1.09ct Cushion
$304 USD