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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 HK$2,197 HKD
$280 USD
As of October 28, 2026
Save HK$32,013 HKD (94%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$34,210 HKD 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 HK$2,197 to HK$34,210, a HK$32,013 spread on the same certified stone. Brilliant Earth lists it at HK$34,210. 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
Colour
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: HK$34,210 HKD|Low: HK$2,197 HKD|High: HK$34,210 HKD|Avg: HK$16,155 HKD
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 3HK$2,197 HKD
Retailer 2HK$4,648 HKD
Brilliant EarthHK$34,210 HKD

11 data points across 3 retailers

3 retailersHK$2,197 HKD to HK$34,210 HKD

A
Cheapest Retailer
-
HK$2,197 HKD
$280 USD
Final sale: no returns
A
Retailer 2
-
HK$4,648 HKD
£466 GBP
View
Most Expensive
B
Brilliant Earth
21759916A · Oct 26
HK$34,210 HKD
$4,360 USD
View
2 more retailers have this diamond
Prices start from HK$2,197 HKDSave up to HK$32,013 HKD

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
HK$2,197 HKD