Cushion|Lab Grown|IGI

0.51ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG848617739

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

Certificate IGI LG848617739

Diamond specifications and retailer prices

From $306 USD
£241 GBP
As of November 1, 2026
Save $526 USD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $832 USD at MOH London · As of November 1, 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 very-good cut grade and certified by IGI LG848617739 or 848617739. Listed at 6 retailers as of November 1, 2026, with prices from $306 to $832, a $526 spread on the same certified stone. MOH London lists it at $832. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848617739
Dimensions4.63 × 4.61 × 3.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.63 mm4.61 mm0.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848617739
Side View
Table 66.0%Crown 35.6°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $832 USD|Low: $295 USD|High: $837 USD|Avg: $493 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2$306 USD
Retailer 5$331 USD
Retailer 4$403 USD
Retailer 3$565 USD
Retailer 6$628 USD
MOH London$832 USD

11 data points across 6 retailers

6 retailers$306 USD to $832 USD

B+
Cheapest Retailer
-
$306 USD
£241 GBP
B+
Retailer 2
-
$331 USD
View
B+
Retailer 3
-
$403 USD
View
B
Retailer 4
-
$565 USD
View
B
Retailer 5
-
$628 USD
View
Most Expensive
B
MOH London
LG848617739 · Nov 1
$832 USD
£655 GBP
View
5 more retailers have this diamond
Prices start from $306 USDSave up to $526 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.

B+
0.51ct Cushion
$306 USD