Cushion|Lab Grown|IGI

0.51ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG844620351

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

Certificate IGI LG844620351

Diamond specifications and retailer prices

From $175 USD
As of October 30, 2026
Save $911 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,086 USD at MOH London · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844620351 or 844620351. Listed at 10 retailers as of October 29, 2026, with prices from $175 to $1,086, a $911 spread on the same certified stone. MOH London lists it at $1,086. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844620351
Dimensions4.55 × 4.56 × 3.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.55 mm4.56 mm0.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844620351
Side View
Table 72.0%Crown 38°Girdle: STK-THKPavilion 42.9°Culet: NoneDepth 70.6%

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 30
Current: $1,086 USD|Low: $175 USD|High: $1,086 USD|Avg: $389 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$175 USD
Retailer 5$230 USD
Retailer 3$242 USD
Retailer 2$254 USD
Retailer 4$312 USD
Retailer 7$360 USD
Retailer 8$474 USD
MOH London$1,086 USD

14 data points across 8 retailers

10 retailers$175 USD to $1,086 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$225 USD
View
A
Retailer 3
-
$230 USD
View
A
Retailer 4
-
$242 USD
€230 EUR
View
A
Retailer 5
-
$254 USD
£200 GBP
View
B+
Retailer 6
-
$312 USD
£246 GBP
View
B+
Retailer 7
-
$360 USD
View
B+
Retailer 8
-
$390 USD
View
B
Retailer 9
-
$474 USD
View
Most Expensive
B
MOH London
LG844620351 · Oct 29
$1,086 USD
£855 GBP
View
9 more retailers have this diamond
Prices start from $175 USDSave up to $911 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
$175 USD