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 $122 USD
As of October 28, 2026
Save $1,055 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,177 USD 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 14 retailers as of October 26, 2026, with prices from $122 to $1,177, a $1,055 spread on the same certified stone. MOH London lists it at $1,177. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,177 USD|Low: $116 USD|High: $1,177 USD|Avg: $409 USD|+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$122 USD
Retailer 11$185 USD
Retailer 5$225 USD
Retailer 14$244 USD
Retailer 3$249 USD
Retailer 2$250 USD
Retailer 8$268 USD
Retailer 12$326 USD
Retailer 10$383 USD
Retailer 4$492 USD
Retailer 6$673 USD
Retailer 13$716 USD
Retailer 9$903 USD
MOH London$1,177 USD

16 data points across 14 retailers

14 retailers$122 USD to $1,177 USD

A
Cheapest Retailer
-
$122 USD
Final sale: no returns
A
Retailer 2
-
$185 USD
View
A
Retailer 3
-
$225 USD
View
A
Retailer 4
-
$244 USD
ZAR 3,941 ZAR
View
B+
Retailer 5
-
$249 USD
View
A
Retailer 6
-
$250 USD
€238 EUR
View
B+
Retailer 7
-
$268 USD
£211 GBP
View
B+
Retailer 8
-
$326 USD
£257 GBP
View
B
Retailer 9
-
$383 USD
SGD 517 SGD
View
B
Retailer 10
-
$492 USD
View
B
Retailer 11
-
$673 USD
£530 GBP
View
B
Retailer 12
-
$716 USD
£564 GBP
View
B
Retailer 13
-
$903 USD
View
Most Expensive
B
MOH London
LG844678170 · Oct 26
$1,177 USD
£927 GBP
View
13 more retailers have this diamond
Prices start from $122 USDSave up to $1,055 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
0.51ct Cushion
$122 USD