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Emerald|Lab Grown|IGI

0.78ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG436046450

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436046450

Diamond specifications and retailer prices

From $428 USD
As of October 27, 2026
Save $1,525 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,953 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.78ct lab-grown emerald diamond

This 0.78ct lab-grown emerald sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046450 or 436046450. Listed at 10 retailers as of October 26, 2026, with prices from $428 to $1,953, a $1,525 spread on the same certified stone. MOH London lists it at $1,953. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.78
Carat
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle18.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046450
Dimensions6.81 × 4.36 × 2.76 mm
L/W Ratio1.56
Culet sizeLong
Cert comments
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Top View
6.81 mm4.36 mm0.78 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046450
Side View
Table 63.5%Crown 18.3°Girdle: MediumPavilion 39°Culet: LNGDepth 63.3%

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 27
Current: $1,953 USD|Low: $411 USD|High: $1,975 USD|Avg: $869 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 26, 2026
Retailer 6$428 USD
Retailer 13$479 USD
Retailer 12$480 USD
Retailer 4$516 USD
Retailer 8$531 USD
Retailer 11$531 USD
Retailer 7$550 USD
Retailer 9$837 USD
Retailer 3$928 USD
Retailer 5$1,112 USD
Retailer 2$1,490 USD
Retailer 10$1,707 USD
MOH London$1,953 USD

18 data points across 13 retailers

10 retailers$428 USD to $1,953 USD

A
Cheapest Retailer
-
$428 USD
A
Retailer 2
-
$479 USD
View
Final sale: no returns
A
Retailer 3
-
$480 USD
View
A
Retailer 4
-
$531 USD
View
A
Retailer 5
-
$531 USD
View
A
Retailer 6
-
$550 USD
View
B+
Retailer 7
-
$837 USD
View
B
Retailer 8
-
$1,490 USD
View
B
Retailer 9
-
$1,707 USD
View
Most Expensive
B
MOH London
LG436046450 · Oct 26
$1,953 USD
£1,538 GBP
View
9 more retailers have this diamond
Prices start from $428 USDSave up to $1,525 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
0.78ct Emerald
$428 USD