Asscher|Lab Grown|IGI

0.51ct D IF Asscher Lab Grown Diamond

GD • D/IF • IGI LG658470934

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG658470934

Diamond specifications and retailer prices

From €142 EUR
$159 USD
As of October 30, 2026
Save €513 EUR (78%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €656 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 0.51ct lab-grown asscher diamond

This 0.51ct lab-grown asscher sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG658470934 or 658470934. Listed at 2 retailers as of October 30, 2026, with prices from €142 to €656, a €513 spread on the same certified stone. Diamond Quarter lists it at €656. 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
D
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658470934
Dimensions4.43 × 4.35 × 2.92 mm
L/W Ratio1.02
Culet sizePointed
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
4.43 mm4.35 mm0.51 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658470934
Side View
Table 63.0%Crown 35.8°Girdle: MediumPavilion 41.2°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €142 EUR|Low: €112 EUR|High: €943 EUR|Avg: €449 EUR|+21.4%
Retailer 1
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Retailer 11
September 27, 2026
Retailer 1€142 EUR
Retailer 5€297 EUR
Retailer 11€304 EUR
Retailer 10€373 EUR
Retailer 2€400 EUR
Retailer 7€415 EUR
Retailer 4€435 EUR
Retailer 8€486 EUR
Retailer 9€595 EUR
Retailer 6€636 EUR
Retailer 3€943 EUR

77 data points across 11 retailers

2 retailers€142 EUR to €656 EUR

A
Cheapest Retailer
-
€142 EUR
$159 USD
Final sale: no returns
Most Expensive
B
Diamond Quarter
0.51IFDLG34325DN · Oct 31
€656 EUR
£577 GBP
View
1 more retailer has this diamond
Prices start from €142 EURSave up to €513 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.

A
0.51ct Asscher
€142 EUR