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Emerald|Lab Grown|IGI

0.51ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG639433229

Shape and cutting style on the report: Emerald cut

Certificate IGI LG639433229

Diamond specifications and retailer prices

From $251 CAD
HK$1,400 HKD
As of October 29, 2026
Save $505 CAD (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,765 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct 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 LG639433229 or 639433229. Listed at 9 retailers as of October 29, 2026, with a 201% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639433229
Dimensions5.75 × 3.75 × 2.44 mm
L/W Ratio1.53
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
5.75 mm3.75 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG639433229
Side View
Table 63.0%Crown 36.5°Girdle: STK-THKPavilion 40.3°Culet: LargeDepth 65.1%

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 29
Current: $1,765 CAD|Low: $315 CAD|High: $1,777 CAD|Avg: $578 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$315 CAD
Retailer 3$379 CAD
Retailer 6$407 CAD
Retailer 2$434 CAD
Retailer 8$462 CAD
Retailer 7$529 CAD
Retailer 5$532 CAD
MOH London$1,765 CAD

42 data points across 8 retailers

9 retailers$251 CAD to $756 CAD

A
Cheapest Retailer
-
$251 CAD
HK$1,400 HKD
B+
Retailer 2
-
$315 CAD
$225 USD
View
B+
Retailer 3
-
$379 CAD
€258 EUR
View
B+
Retailer 4
-
$407 CAD
$291 USD
View
B+
Retailer 5
-
$434 CAD
£244 GBP
View
B
Retailer 6
-
$529 CAD
$378 USD
View
B
Retailer 7
-
$532 CAD
$380 USD
View
B
Retailer 8
-
$756 CAD
$540 USD
View
Most Expensive
MOH London
LG639433229 · Oct 29
$1,765 CAD
£993 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $251 CADSave up to $505 CAD

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 Emerald
$251 CAD