Cushion|Lab Grown|IGI

1.25ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG830635073

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG830635073

Diamond specifications and retailer prices

From $227 USD
As of November 3, 2026
Save $953 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,180 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830635073 or 830635073. Listed at 14 retailers as of November 2, 2026, with prices from $227 to $1,180, a $953 spread on the same certified stone. MOH London lists it at $1,180. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830635073
Dimensions6.69 × 6.62 × 4.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.69 mm6.62 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830635073
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.4%

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: Nov 3
Current: $1,180 USD|Low: $227 USD|High: $1,186 USD|Avg: $578 USD|+13.3%
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
November 3, 2026
Retailer 3$227 USD
Retailer 5$257 USD
Retailer 11$340 USD
Retailer 9$421 USD
Retailer 8$436 USD
Retailer 2$464 USD
Retailer 12$493 USD
Retailer 7$616 USD
Retailer 10$730 USD
Retailer 4$740 USD
Retailer 14$858 USD
Retailer 13$865 USD
Retailer 6$1,040 USD
MOH London$1,180 USD

45 data points across 14 retailers

14 retailers$227 USD to $1,180 USD

A
Cheapest Retailer
-
$227 USD
Final sale: no returns
Retailer 2
-
$257 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$340 USD
View
A
Retailer 4
-
$421 USD
€401 EUR
View
A
Retailer 5
-
$436 USD
ZAR 7,039 ZAR
View
A
Retailer 6
-
$464 USD
£365 GBP
View
A
Retailer 7
-
$493 USD
View
B+
Retailer 8
-
$616 USD
A$947 AUD
View
B+
Retailer 9
-
$730 USD
View
Retailer 10
-
$740 USD
View
Price last confirmed 19 days ago
B
Retailer 11
-
$858 USD
View
B
Retailer 12
-
$865 USD
View
Retailer 13
-
$1,040 USD
SGD 1,406 SGD
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
LG830635073 · Nov 2
$1,180 USD
£929 GBP
View
13 more retailers have this diamond
Prices start from $227 USDSave up to $953 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
1.25ct Cushion
$227 USD