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Emerald|Lab Grown|IGI

2.78ct F SI2 Emerald Lab Grown Diamond

ID • F/SI2 • IGI LG607326967

Shape and cutting style on the report: Emerald cut

Certificate IGI LG607326967

Diamond specifications and retailer prices

From $322 USD
As of October 27, 2026
Save $1,401 USD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,835 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 2.78ct lab-grown emerald diamond

This 2.78ct lab-grown emerald sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607326967 or 607326967. Listed at 7 retailers as of October 26, 2026, with a 435% 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

2.78
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607326967
Dimensions9.73 × 6.47 × 4.38 mm
L/W Ratio1.50
Culet sizeLarge
Top View
9.73 mm6.47 mm2.78 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607326967
Side View
Table 64.0%Crown 37.4°Girdle: MediumPavilion 40.3°Culet: LargeDepth 67.7%

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 27
Current: $1,835 USD|Low: $309 USD|High: $3,560 USD|Avg: $1,380 USD|-7.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 4$322 USD
Retailer 7$373 USD
Retailer 5$648 USD
Retailer 3$1,171 USD
Retailer 6$1,416 USD
Retailer 2$1,723 USD
Rare Carat$1,835 USD
Retailer 8$3,560 USD

14 data points across 8 retailers

7 retailers$322 USD to $1,723 USD

A
Cheapest Retailer
-
$322 USD
A
Retailer 2
-
$373 USD
View
B+
Retailer 3
-
$648 USD
View
B+
Retailer 4
-
$1,171 USD
View
B
Retailer 5
-
$1,416 USD
View
B
Retailer 6
-
$1,723 USD
£1,357 GBP
View
Most Expensive
Rare Carat
LGDEC200-04507 · Oct 18
$1,835 USD
View
Price last confirmed 12 days ago
6 more retailers have this diamond
Prices start from $322 USDSave up to $1,401 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
2.78ct Emerald
$322 USD