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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG844678170

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

Certificate IGI LG844678170

Diamond specifications and retailer prices

From $258 CAD
$185 USD
As of October 28, 2026
Save $1,386 CAD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,645 CAD at MOH London · As of October 26, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844678170 or 844678170. Listed at 13 retailers as of October 26, 2026, with prices from $258 to $1,645, a $1,386 spread on the same certified stone. MOH London lists it at $1,645. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle45.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844678170
Dimensions4.53 × 4.49 × 3.21 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
4.53 mm4.49 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844678170
Side View
Table 63.0%Crown 32.1°Girdle: THK-VTKPavilion 45.7°Culet: NoneDepth 71.5%

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: Oct 28
Current: $1,645 CAD|Low: $162 CAD|High: $1,645 CAD|Avg: $571 CAD|+8.4%
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
October 29, 2026
Retailer 7$170 CAD
Retailer 11$258 CAD
Retailer 5$314 CAD
Retailer 14$341 CAD
Retailer 3$348 CAD
Retailer 2$349 CAD
Retailer 8$375 CAD
Retailer 12$455 CAD
Retailer 10$534 CAD
Retailer 4$687 CAD
Retailer 6$940 CAD
Retailer 13$1,001 CAD
Retailer 9$1,261 CAD
MOH London$1,645 CAD

16 data points across 14 retailers

13 retailers$258 CAD to $1,645 CAD

A
Cheapest Retailer
-
$258 CAD
$185 USD
A
Retailer 2
-
$314 CAD
$225 USD
View
A
Retailer 3
-
$341 CAD
ZAR 3,941 ZAR
View
B+
Retailer 4
-
$348 CAD
$249 USD
View
A
Retailer 5
-
$349 CAD
€238 EUR
View
B+
Retailer 6
-
$375 CAD
£211 GBP
View
B+
Retailer 7
-
$455 CAD
£257 GBP
View
B
Retailer 8
-
$534 CAD
SGD 517 SGD
View
B
Retailer 9
-
$687 CAD
$492 USD
View
B
Retailer 10
-
$940 CAD
£530 GBP
View
B
Retailer 11
-
$1,001 CAD
£564 GBP
View
B
Retailer 12
-
$1,261 CAD
$903 USD
View
Most Expensive
B
MOH London
LG844678170 · Oct 26
$1,645 CAD
£927 GBP
View
12 more retailers have this diamond
Prices start from $258 CADSave up to $1,386 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.

A
0.51ct Cushion
$258 CAD