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5.57ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG361526123

Shape and cutting style on the report: Round brilliant

Certificate IGI LG361526123

Diamond specifications and retailer prices

From $36,430 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $36,430 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 5.57ct lab-grown round diamond

This 5.57ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG361526123 or 361526123. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.57
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG361526123
Dimensions11.46 × 11.38 × 6.99 mm
L/W Ratio1.01
Culet sizeNone
Top View
11.46 mm11.38 mm5.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG361526123
Side View
Table 57.0%Crown 34.5°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $36,430 USD|Low: $36,430 USD|High: $38,580 USD|Avg: $37,505 USD|-5.6%
October 18, 2026
Brilliant Earth$36,430 USD

2 data points across 1 retailer

1 retailer

B
Brilliant Earth
20574540Y · Oct 31
$36,430 USD
View

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B
5.57ct Round
$36,430 USD