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 $159 USD
As of October 30, 2026
Save $574 USD (78%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $733 USD at Diamond Quarter · As of October 29, 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 29, 2026, with prices from $159 to $733, a $574 spread on the same certified stone. Diamond Quarter lists it at $733. 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: $159 USD|Low: $125 USD|High: $1,054 USD|Avg: $501 USD|+21.4%
Retailer 1
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Retailer 11
September 27, 2026
Retailer 1$159 USD
Retailer 5$332 USD
Retailer 11$339 USD
Retailer 10$416 USD
Retailer 2$447 USD
Retailer 7$464 USD
Retailer 4$486 USD
Retailer 8$543 USD
Retailer 9$664 USD
Retailer 6$710 USD
Retailer 3$1,054 USD

77 data points across 11 retailers

2 retailers$159 USD to $733 USD

A
Cheapest Retailer
-
$159 USD
Final sale: no returns
Most Expensive
B
Diamond Quarter
0.51IFDLG34325DN · Oct 29
$733 USD
£577 GBP
View
1 more retailer has this diamond
Prices start from $159 USDSave up to $574 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 Asscher
$159 USD