Emerald|Lab Grown|IGI

1.78ct D VS2 Emerald Lab Grown Diamond

ID • D/VS2 • IGI LG789628964

Shape and cutting style on the report: Emerald cut

Certificate IGI LG789628964

Diamond specifications and retailer prices

From $339 USD
As of October 30, 2026
Save $2,111 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,450 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.78ct lab-grown emerald diamond

This 1.78ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG789628964 or 789628964. Listed at 16 retailers as of October 29, 2026, with prices from $339 to $2,450, a $2,111 spread on the same certified stone. Brilliant Earth lists it at $2,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789628964
Dimensions8.16 × 5.86 × 3.62 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.16 mm5.86 mm1.78 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG789628964
Side View
Table 66.0%Crown 35.2°Girdle: MediumPavilion 38.7°Culet: LargeDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,450 USD|Low: $326 USD|High: $2,990 USD|Avg: $987 USD|-3.2%
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
October 30, 2026
Retailer 13$339 USD
Retailer 5$394 USD
Retailer 4$421 USD
Retailer 15$421 USD
Retailer 10$575 USD
Retailer 16$677 USD
Retailer 7$687 USD
Retailer 6$718 USD
Retailer 2$755 USD
Retailer 12$1,234 USD
Retailer 3$1,352 USD
Retailer 8$1,395 USD
Retailer 14$1,589 USD
Retailer 11$1,631 USD
Retailer 9$1,694 USD
Brilliant Earth$2,450 USD

44 data points across 16 retailers

16 retailers$339 USD to $2,450 USD

A
Cheapest Retailer
-
$339 USD
A
Retailer 2
-
$394 USD
View
A
Retailer 3
-
$421 USD
View
A
Retailer 4
-
$421 USD
View
A
Retailer 5
-
$575 USD
View
B+
Retailer 6
-
$677 USD
View
B+
Retailer 7
-
$687 USD
View
B+
Retailer 8
-
$718 USD
View
B+
Retailer 9
-
$755 USD
£594 GBP
View
B
Retailer 10
-
$1,234 USD
View
B
Retailer 11
-
$1,352 USD
View
Retailer 12
-
$1,395 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,589 USD
View
B
Retailer 14
-
$1,631 USD
£1,284 GBP
View
B
Retailer 15
-
$1,694 USD
£1,334 GBP
View
Most Expensive
B
Brilliant Earth
18788190A · Oct 29
$2,450 USD
View
15 more retailers have this diamond
Prices start from $339 USDSave up to $2,111 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
1.78ct Emerald
$339 USD