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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 $311 NZD
$175 USD
As of October 30, 2026
Save $1,616 NZD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,927 NZD 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 $311 to $1,927, a $1,616 spread on the same certified stone. MOH London lists it at $1,927. 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
Colour
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: $1,927 NZD|Low: $311 NZD|High: $1,927 NZD|Avg: $690 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$311 NZD
Retailer 5$408 NZD
Retailer 3$428 NZD
Retailer 2$451 NZD
Retailer 4$554 NZD
Retailer 7$639 NZD
Retailer 8$841 NZD
MOH London$1,927 NZD

14 data points across 8 retailers

10 retailers$311 NZD to $1,927 NZD

A
Cheapest Retailer
-
$311 NZD
$175 USD
A
Retailer 2
-
$399 NZD
$225 USD
View
A
Retailer 3
-
$408 NZD
$230 USD
View
A
Retailer 4
-
$428 NZD
€230 EUR
View
A
Retailer 5
-
$451 NZD
£200 GBP
View
B+
Retailer 6
-
$554 NZD
£246 GBP
View
B+
Retailer 7
-
$639 NZD
$360 USD
View
B+
Retailer 8
-
$692 NZD
$390 USD
View
B
Retailer 9
-
$841 NZD
$474 USD
View
Most Expensive
B
MOH London
LG844620351 · Oct 29
$1,927 NZD
£855 GBP
View
9 more retailers have this diamond
Prices start from $311 NZDSave up to $1,616 NZD

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
$311 NZD