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 $283 NZD
$159 USD
As of November 2, 2026
Save $1,020 NZD (78%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,302 NZD at Diamond Quarter · As of November 2, 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 November 2, 2026, with prices from $283 to $1,302, a $1,020 spread on the same certified stone. Diamond Quarter lists it at $1,302. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $283 NZD|Low: $222 NZD|High: $1,873 NZD|Avg: $891 NZD|+21.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 27, 2026
Retailer 1$283 NZD
Retailer 5$589 NZD
Retailer 11$603 NZD
Retailer 10$740 NZD
Retailer 2$794 NZD
Retailer 7$825 NZD
Retailer 4$863 NZD
Retailer 8$965 NZD
Retailer 9$1,181 NZD
Retailer 6$1,262 NZD
Retailer 3$1,873 NZD

77 data points across 11 retailers

2 retailers$283 NZD to $1,302 NZD

A
Cheapest Retailer
-
$283 NZD
$159 USD
Final sale: no returns
Most Expensive
B
Diamond Quarter
0.51IFDLG34325DN · Nov 2
$1,302 NZD
£577 GBP
View
1 more retailer has this diamond
Prices start from $283 NZDSave up to $1,020 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 Asscher
$283 NZD