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Cushion|Lab Grown|IGI

0.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG571304345

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG571304345

Diamond specifications and retailer prices

From $1,092 CAD
As of November 4, 2026
Save $908 CAD (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,684 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571304345 or 571304345. Listed at 7 retailers as of November 4, 2026, with a 83% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571304345
Dimensions5.30 × 4.38 × 2.70 mm
L/W Ratio1.21
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
5.30 mm4.38 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG571304345
Side View
Table 63.0%Crown 33.9°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,684 CAD|Low: $689 CAD|High: $2,723 CAD|Avg: $1,394 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5$689 CAD
Retailer 6$1,092 CAD
Retailer 2$1,119 CAD
Retailer 3$1,219 CAD
Retailer 4$1,249 CAD
MOH London$2,684 CAD

44 data points across 6 retailers

7 retailers$1,092 CAD to $2,000 CAD

Retailer 1
-
$689 CAD
Price last confirmed 11 days ago
B
Retailer 2
-
$1,092 CAD
View
B
Retailer 3
-
$1,119 CAD
View
B
Retailer 4
-
$1,219 CAD
View
B
Retailer 5
-
$1,249 CAD
View
B
Retailer 6
-
$2,000 CAD
View
Most Expensive
MOH London
LG571304345 · Nov 5
$2,684 CAD
£1,513 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $1,092 CADSave up to $908 CAD

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.

B
0.51ct Cushion
$1,092 CAD