Emerald|Lab Grown|IGI

2.78ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG843628309

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843628309

Diamond specifications and retailer prices

From $392 CAD
$280 USD
As of October 28, 2026
Save $5,710 CAD (94%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,102 CAD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.78ct lab-grown emerald diamond

This 2.78ct lab-grown emerald sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843628309 or 843628309. Listed at 3 retailers as of October 26, 2026, with prices from $392 to $6,102, a $5,710 spread on the same certified stone. Brilliant Earth lists it at $6,102. 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

2.78
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843628309
Dimensions9.07 × 6.77 × 4.69 mm
L/W Ratio1.34
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.07 mm6.77 mm2.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843628309
Side View
Table 64.0%Crown 39.9°Girdle: MediumPavilion 40.7°Culet: LargeDepth 69.3%

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 28
Current: $6,102 CAD|Low: $392 CAD|High: $6,102 CAD|Avg: $2,882 CAD
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 3$392 CAD
Retailer 2$829 CAD
Brilliant Earth$6,102 CAD

11 data points across 3 retailers

3 retailers$392 CAD to $6,102 CAD

A
Cheapest Retailer
-
$392 CAD
$280 USD
Final sale: no returns
A
Retailer 2
-
$829 CAD
£466 GBP
View
Most Expensive
B
Brilliant Earth
21759916A · Oct 26
$6,102 CAD
$4,360 USD
View
2 more retailers have this diamond
Prices start from $392 CADSave up to $5,710 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
2.78ct Emerald
$392 CAD