Emerald|Lab Grown|IGI

2.78ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG776609312

Certificate IGI LG776609312

Diamond specifications and retailer prices

From $1,707 USD
Save $7,773 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,480 USD at Brilliant Earth
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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776609312 or 776609312. Listed at 15 retailers, with prices from $1,707 to $9,480 at Brilliant Earth, a $7,773 spread on the same certified stone. 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776609312
Dimensions9.50 × 6.68 × 9.50 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
9.50 mm6.68 mm2.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776609312
Side View
Table 60.0%Crown 31.1°Girdle: MediumPavilion 41.7°Culet: LargeDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $9,480 USD|Low: $1,671 USD|High: $10,380 USD|Avg: $4,097 USD|-8.7%
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
September 29, 2026
Retailer 10$1,707 USD
Retailer 3$1,715 USD
Retailer 8$2,148 USD
Retailer 12$2,172 USD
Retailer 4$2,321 USD
Retailer 2$3,118 USD
Retailer 11$3,767 USD
Retailer 14$4,390 USD
Retailer 13$4,590 USD
Retailer 9$4,835 USD
Retailer 5$4,979 USD
Retailer 15$5,219 USD
Retailer 6$5,443 USD
Retailer 7$5,695 USD
Brilliant Earth$9,480 USD

38 data points across 15 retailers

15 retailers$1,707 USD to $9,480 USD

A
Cheapest Retailer
-
$1,707 USD
A
Retailer 2
-
$1,715 USD
HK$13,400 HKD
View
A
Retailer 3
-
$2,150 USD
£1,693 GBP
View
A
Retailer 4
-
$2,172 USD
View
A
Retailer 5
-
$2,321 USD
€2,210 EUR
View
A
Retailer 6
-
$3,118 USD
View
B+
Retailer 7
-
$3,767 USD
ZAR 60,855 ZAR
View
B+
Retailer 8
-
$4,390 USD
A$6,754 AUD
View
B+
Retailer 9
-
$4,397 USD
View
B+
Retailer 10
-
$4,590 USD
View
B+
Retailer 11
-
$4,835 USD
£3,807 GBP
View
B+
Retailer 12
-
$4,979 USD
SGD 6,728 SGD
View
B+
Retailer 13
-
$5,219 USD
View
B+
Retailer 14
-
$5,398 USD
View
Most Expensive
B
Brilliant Earth
17777075A · Oct 1
$9,480 USD
View
14 more retailers have this diamond
Prices start from $1,707 USDSave up to $7,773 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.

A
2.78ct Emerald
$1,707 USD