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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 £255 GBP
$339 USD
As of October 30, 2026
Save £1,585 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,840 GBP 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 £255 to £1,840, a £1,585 spread on the same certified stone. Brilliant Earth lists it at £1,840. 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
Colour
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: £1,840 GBP|Low: £245 GBP|High: £2,245 GBP|Avg: £741 GBP|-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£255 GBP
Retailer 5£296 GBP
Retailer 4£316 GBP
Retailer 15£316 GBP
Retailer 10£432 GBP
Retailer 16£508 GBP
Retailer 7£516 GBP
Retailer 6£539 GBP
Retailer 2£567 GBP
Retailer 12£927 GBP
Retailer 3£1,015 GBP
Retailer 8£1,048 GBP
Retailer 14£1,193 GBP
Retailer 11£1,225 GBP
Retailer 9£1,272 GBP
Brilliant Earth£1,840 GBP

44 data points across 16 retailers

16 retailers£255 GBP to £1,840 GBP

A
Cheapest Retailer
-
£255 GBP
$339 USD
A
Retailer 2
-
£296 GBP
$394 USD
View
A
Retailer 3
-
£316 GBP
$421 USD
View
A
Retailer 4
-
£316 GBP
$421 USD
View
A
Retailer 5
-
£432 GBP
$575 USD
View
B+
Retailer 6
-
£508 GBP
$677 USD
View
B+
Retailer 7
-
£516 GBP
$687 USD
View
B+
Retailer 8
-
£539 GBP
$718 USD
View
B+
Retailer 9
-
£567 GBP
View
B
Retailer 10
-
£927 GBP
$1,234 USD
View
B
Retailer 11
-
£1,015 GBP
$1,352 USD
View
Retailer 12
-
£1,048 GBP
$1,395 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£1,193 GBP
$1,589 USD
View
B
Retailer 14
-
£1,225 GBP
View
B
Retailer 15
-
£1,272 GBP
View
Most Expensive
B
Brilliant Earth
18788190A · Oct 29
£1,840 GBP
$2,450 USD
View
15 more retailers have this diamond
Prices start from £255 GBPSave up to £1,585 GBP

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
£255 GBP