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Emerald|Lab Grown|IGI

0.54ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG778649481

Shape and cutting style on the report: Emerald cut

Certificate IGI LG778649481

Diamond specifications and retailer prices

From $172 USD
As of October 28, 2026
Save $756 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $928 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.54ct lab-grown emerald diamond

This 0.54ct lab-grown emerald sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778649481 or 778649481. Listed at 7 retailers as of October 28, 2026, with prices from $172 to $928, a $756 spread on the same certified stone. MOH London lists it at $928. 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

0.54
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778649481
Dimensions5.54 × 3.93 × 2.47 mm
L/W Ratio1.41
Culet sizeLarge
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
5.54 mm3.93 mm0.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG778649481
Side View
Table 70.0%Crown 34.1°Girdle: STK-THKPavilion 40.1°Culet: LargeDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $928 USD|Low: $159 USD|High: $935 USD|Avg: $384 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$172 USD
Retailer 2$244 USD
Retailer 3$304 USD
Retailer 7$347 USD
Retailer 4$400 USD
Retailer 6$409 USD
MOH London$928 USD

39 data points across 7 retailers

7 retailers$172 USD to $928 USD

A
Cheapest Retailer
-
$172 USD
B+
Retailer 2
-
$244 USD
£192 GBP
View
Retailer 3
-
$260 USD
View
Price last confirmed 50 days ago
B+
Retailer 4
-
$304 USD
£239 GBP
View
B+
Retailer 5
-
$347 USD
View
B
Retailer 6
-
$400 USD
View
Most Expensive
B
MOH London
LG778649481 · Oct 29
$928 USD
£731 GBP
View
6 more retailers have this diamond
Prices start from $172 USDSave up to $756 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
0.54ct Emerald
$172 USD