Cushion|Lab Grown|IGI

0.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG851653932

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

Certificate IGI LG851653932

Diamond specifications and retailer prices

From €254 EUR
As of October 31, 2026
Save €254 EUR (50%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €508 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851653932 or 851653932. Listed at 3 retailers as of October 31, 2026, with prices from €254 to €508, a €254 spread on the same certified stone. Taylor and Hart lists it at €508. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.5°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851653932
Dimensions4.64 × 4.46 × 2.72 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.64 mm4.46 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG851653932
Side View
Table 73.0%Crown 39.5°Girdle: MED-STKPavilion 31.5°CuletDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €254 EUR|Low: €254 EUR|High: €508 EUR|Avg: €326 EUR
Retailer 1
Retailer 2
Taylor and Hart
October 31, 2026
Retailer 1€254 EUR
Retailer 2€272 EUR
Taylor and Hart€508 EUR

2 data points across 3 retailers

3 retailers€254 EUR to €508 EUR

B+
Cheapest Retailer
-
€254 EUR
B+
Retailer 2
-
€272 EUR
$304 USD
View
Most Expensive
B
Taylor and Hart
3EZIPVO · Oct 31
€508 EUR
$567 USD
View
2 more retailers have this diamond
Prices start from €254 EURSave up to €254 EUR

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
€254 EUR