Cushion|Lab Grown|IGI

1.51ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG851618018

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851618018

Diamond specifications and retailer prices

From $291 USD
As of November 4, 2026
Save $822 USD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,113 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851618018 or 851618018. Listed at 6 retailers as of November 4, 2026, with prices from $291 to $1,113, a $822 spread on the same certified stone. MOH London lists it at $1,113. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851618018
Dimensions8.64 × 5.80 × 3.87 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm5.80 mm1.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851618018
Side View
Table 65.0%Crown 34°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 66.7%

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: $1,113 USD|Low: $291 USD|High: $1,128 USD|Avg: $718 USD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2$291 USD
Retailer 3$409 USD
Retailer 5$574 USD
Retailer 4$894 USD
Retailer 6$995 USD
MOH London$1,113 USD

8 data points across 6 retailers

6 retailers$291 USD to $1,113 USD

A
Cheapest Retailer
-
$291 USD
A
Retailer 2
-
$409 USD
View
A
Retailer 3
-
$574 USD
View
B
Retailer 4
-
$894 USD
View
B+
Retailer 5
-
$995 USD
View
Most Expensive
B
MOH London
LG851618018 · Nov 5
$1,113 USD
£876 GBP
View
5 more retailers have this diamond
Prices start from $291 USDSave up to $822 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
1.51ct Cushion
$291 USD