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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 $762 NZD
$428 USD
As of October 29, 2026
Save $2,716 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,478 NZD 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 $762 to $3,478, a $2,716 spread on the same certified stone. MOH London lists it at $3,478. 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
Colour
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 29
Current: $3,478 NZD|Low: $732 NZD|High: $3,516 NZD|Avg: $1,548 NZD|+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$762 NZD
Retailer 13$853 NZD
Retailer 12$855 NZD
Retailer 4$919 NZD
Retailer 8$945 NZD
Retailer 11$945 NZD
Retailer 7$979 NZD
Retailer 9$1,490 NZD
Retailer 3$1,652 NZD
Retailer 5$1,980 NZD
Retailer 2$2,653 NZD
Retailer 10$3,039 NZD
MOH London$3,478 NZD

18 data points across 13 retailers

10 retailers$762 NZD to $3,478 NZD

A
Cheapest Retailer
-
$762 NZD
$428 USD
A
Retailer 2
-
$853 NZD
$479 USD
View
Final sale: no returns
A
Retailer 3
-
$855 NZD
$480 USD
View
A
Retailer 4
-
$945 NZD
$531 USD
View
A
Retailer 5
-
$945 NZD
$531 USD
View
A
Retailer 6
-
$979 NZD
$550 USD
View
B+
Retailer 7
-
$1,490 NZD
$837 USD
View
B
Retailer 8
-
$2,653 NZD
$1,490 USD
View
B
Retailer 9
-
$3,039 NZD
$1,707 USD
View
Most Expensive
B
MOH London
LG436046450 · Oct 26
$3,478 NZD
£1,538 GBP
View
9 more retailers have this diamond
Prices start from $762 NZDSave up to $2,716 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
0.78ct Emerald
$762 NZD