CaratHunter
Plans
Emerald|Lab Grown|IGI

2.78ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG776689201

Shape and cutting style on the report: Emerald cut

Certificate IGI LG776689201

Diamond specifications and retailer prices

From $1,174 AUD
$825 USD
As of October 30, 2026
Save $8,933 AUD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,108 AUD at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776689201 or 776689201. Listed at 24 retailers as of October 29, 2026, with prices from $1,174 to $10,108, a $8,933 spread on the same certified stone. Brilliant Earth lists it at $10,108. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776689201
Dimensions9.43 × 6.62 × 4.36 mm
L/W Ratio1.42
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
9.43 mm6.62 mm2.78 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776689201
Side View
Table 64.0%Crown 32.2°Girdle: MediumPavilion 42.1°Culet: LargeDepth 65.9%

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 30
Current: $10,108 AUD|Low: $1,278 AUD|High: $10,108 AUD|Avg: $3,707 AUD
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 3$1,278 AUD
Retailer 8$1,315 AUD
Retailer 17$1,616 AUD
Retailer 5$1,873 AUD
Retailer 2$2,093 AUD
Retailer 12$2,172 AUD
Retailer 9$2,195 AUD
Retailer 16$2,799 AUD
Retailer 15$3,232 AUD
Retailer 13$3,516 AUD
Retailer 4$3,775 AUD
Retailer 18$4,355 AUD
Retailer 6$4,358 AUD
Retailer 19$4,578 AUD
Retailer 7$4,719 AUD
Retailer 10$5,018 AUD
Retailer 14$5,115 AUD
Retailer 11$7,794 AUD
Brilliant Earth$10,108 AUD

40 data points across 19 retailers

24 retailers$1,174 AUD to $10,108 AUD

A
Cheapest Retailer
-
$1,174 AUD
$825 USD
A
Retailer 2
-
$1,278 AUD
$898 USD
View
A
Retailer 3
-
$1,315 AUD
$924 USD
View
Final sale: no returns
A
Retailer 4
-
$1,362 AUD
$957 USD
View
A
Retailer 5
-
$1,616 AUD
$1,135 USD
View
A
Retailer 6
-
$1,873 AUD
$1,316 USD
View
A
Retailer 7
-
$2,093 AUD
£1,158 GBP
View
A
Retailer 8
-
$2,172 AUD
€1,453 EUR
View
A
Retailer 9
-
$2,195 AUD
$1,542 USD
View
A
Retailer 10
-
$2,799 AUD
$1,966 USD
View
Retailer 11
-
$3,186 AUD
$2,238 USD
View
Price last confirmed 31 days ago
Retailer 12
-
$3,232 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$3,516 AUD
ZAR 39,898 ZAR
View
A
Retailer 14
-
$3,775 AUD
£2,088 GBP
View
A
Retailer 15
-
$3,831 AUD
$2,691 USD
View
A
Retailer 16
-
$4,264 AUD
$2,995 USD
View
B+
Retailer 17
-
$4,355 AUD
$3,059 USD
View
B+
Retailer 18
-
$4,358 AUD
$3,061 USD
View
B+
Retailer 19
-
$4,578 AUD
SGD 4,346 SGD
View
B+
Retailer 20
-
$4,719 AUD
$3,315 USD
View
Retailer 21
-
$5,018 AUD
View
Price last confirmed 21 days ago
B+
Retailer 22
-
$5,115 AUD
£2,829 GBP
View
Retailer 23
-
$7,794 AUD
$5,475 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
18180826A · Oct 29
$10,108 AUD
$7,100 USD
View
23 more retailers have this diamond
Prices start from $1,174 AUDSave up to $8,933 AUD

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
$1,174 AUD