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Emerald|Lab Grown|IGI

1.78ct D VS2 Emerald Lab Grown Diamond

EX • D/VS2 • IGI LG838618912

Shape and cutting style on the report: Emerald cut

Certificate IGI LG838618912

Diamond specifications and retailer prices

From $477 NZD
$269 USD
As of October 30, 2026
Save $1,403 NZD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,821 NZD at Brilliant Earth · As of October 1, 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 LG838618912 or 838618912. Listed at 4 retailers as of October 24, 2026, with a 294% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838618912
Dimensions8.18 × 5.79 × 3.90 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.79 mm1.78 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838618912
Side View
Table 66.0%Crown 36.4°Girdle: MediumPavilion 41.3°Culet: LargeDepth 67.4%

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: $2,821 NZD|Low: $477 NZD|High: $2,821 NZD|Avg: $1,673 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 24, 2026
Retailer 3$477 NZD
Retailer 4$715 NZD
Retailer 5$1,033 NZD
Retailer 2$1,881 NZD
Brilliant Earth$2,821 NZD

10 data points across 5 retailers

4 retailers$477 NZD to $1,881 NZD

A
Cheapest Retailer
-
$477 NZD
$269 USD
Final sale: no returns
B+
Retailer 2
-
$715 NZD
$403 USD
View
B
Retailer 3
-
$1,881 NZD
$1,060 USD
View
Most Expensive
Brilliant Earth
21485102A · Oct 1
$2,821 NZD
$1,590 USD
View
Price last confirmed 29 days ago
3 more retailers have this diamond
Prices start from $477 NZDSave up to $1,403 NZD

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
$477 NZD