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Emerald|Lab Grown|IGI

0.51ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG758555865

Shape and cutting style on the report: Emerald cut

Certificate IGI LG758555865

Diamond specifications and retailer prices

From $168 CAD
$120 USD
As of October 29, 2026
Save $578 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,740 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758555865 or 758555865. Listed at 15 retailers as of October 29, 2026, with a 345% 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758555865
Dimensions5.34 × 3.71 × 2.63 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.34 mm3.71 mm0.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG758555865
Side View
Table 64.0%Crown 37.5°Girdle: ThickPavilion 40.7°Culet: LargeDepth 70.9%

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: Oct 29
Current: $1,740 CAD|Low: $161 CAD|High: $1,751 CAD|Avg: $494 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 12$168 CAD
Retailer 4$194 CAD
Retailer 3$221 CAD
Retailer 14$221 CAD
Retailer 13$293 CAD
Retailer 10$300 CAD
Retailer 2$349 CAD
Retailer 9$374 CAD
Retailer 8$426 CAD
Retailer 7$454 CAD
Retailer 6$582 CAD
Retailer 5$631 CAD
Retailer 15$666 CAD
Retailer 11$743 CAD
MOH London$1,740 CAD

44 data points across 15 retailers

15 retailers$168 CAD to $746 CAD

A
Cheapest Retailer
-
$168 CAD
$120 USD
A
Retailer 2
-
$194 CAD
$139 USD
View
B+
Retailer 3
-
$221 CAD
$158 USD
View
B+
Retailer 4
-
$221 CAD
$158 USD
View
B+
Retailer 5
-
$293 CAD
$210 USD
View
B+
Retailer 6
-
$300 CAD
$215 USD
View
B+
Retailer 7
-
$349 CAD
$250 USD
View
B+
Retailer 8
-
$374 CAD
€255 EUR
View
B
Retailer 9
-
$426 CAD
£240 GBP
View
B
Retailer 10
-
$582 CAD
SGD 563 SGD
View
B
Retailer 11
-
$631 CAD
$452 USD
View
B
Retailer 12
-
$666 CAD
$477 USD
View
B
Retailer 13
-
$743 CAD
$532 USD
View
B
Retailer 14
-
$746 CAD
$534 USD
View
Most Expensive
MOH London
LG758555865 · Oct 29
$1,740 CAD
£981 GBP
View
Price under review
14 more retailers have this diamond
Prices start from $168 CADSave up to $578 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
$168 CAD