Emerald|Lab Grown|IGI

0.55ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG520297356

Shape and cutting style on the report: Emerald cut

Certificate IGI LG520297356

Diamond specifications and retailer prices

From $340 USD
As of November 6, 2026
Save $36 USD (10%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $376 USD at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 0.55ct lab-grown emerald diamond

This 0.55ct lab-grown emerald sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG520297356 or 520297356. Listed at 2 retailers as of November 5, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.55
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.8°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520297356
Dimensions5.56 × 3.82 × 2.64 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.56 mm3.82 mm0.55 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520297356
Side View
Table 63.0%Crown 26.8°Girdle: ThickPavilion 37.8°Culet: LargeDepth 69.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $376 USD|Low: $149 USD|High: $1,250 USD|Avg: $485 USD
MD Diamonds and Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 23, 2026
Retailer 9$149 USD
Retailer 3$190 USD
Retailer 7$310 USD
Retailer 4$336 USD
Retailer 2$340 USD
MD Diamonds and Jewellers$376 USD
Retailer 11$456 USD
Retailer 6$552 USD
Retailer 5$614 USD
Retailer 10$666 USD
Retailer 8$1,250 USD

62 data points across 11 retailers

2 retailers$340 USD to $376 USD

B+
Cheapest Retailer
-
$340 USD
Most Expensive
B
MD Diamonds and Jewellers
LG520297356 · Nov 5
$376 USD
£296 GBP
View
1 more retailer has this diamond
Prices start from $340 USDSave up to $36 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.

B+
0.55ct Emerald
$340 USD