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Emerald|Lab Grown|IGI

0.78ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG805672703

Shape and cutting style on the report: Emerald cut

Certificate IGI LG805672703

Diamond specifications and retailer prices

From £91 GBP
$121 USD
As of October 27, 2026
Save £337 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £946 GBP at MOH London · As of October 21, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805672703 or 805672703. Listed at 17 retailers as of October 27, 2026, with a 371% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672703
Dimensions6.43 × 4.34 × 2.82 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm4.34 mm0.78 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805672703
Side View
Table 63.0%Crown 34°Girdle: Slightly ThickPavilion 38.6°Culet: LargeDepth 65.0%

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 27
Current: £946 GBP|Low: £77 GBP|High: £946 GBP|Avg: £251 GBP|+12.5%
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
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Retailer 15
Retailer 16
October 29, 2026
Retailer 3£91 GBP
Retailer 16£101 GBP
Retailer 13£105 GBP
Retailer 15£120 GBP
Retailer 12£135 GBP
Retailer 8£158 GBP
Retailer 2£198 GBP
Retailer 5£219 GBP
Retailer 10£231 GBP
Retailer 14£273 GBP
Retailer 11£278 GBP
Retailer 7£292 GBP
Retailer 9£313 GBP
Retailer 4£363 GBP
Retailer 6£428 GBP
MOH London£946 GBP

43 data points across 16 retailers

17 retailers£91 GBP to £428 GBP

A
Cheapest Retailer
-
£91 GBP
$121 USD
A
Retailer 2
-
£101 GBP
$134 USD
View
Final sale: no returns
A
Retailer 3
-
£105 GBP
$140 USD
View
B+
Retailer 4
-
£120 GBP
$160 USD
View
A
Retailer 5
-
£135 GBP
HK$1,400 HKD
View
A
Retailer 6
-
£158 GBP
$210 USD
View
B+
Retailer 7
-
£198 GBP
€251 EUR
View
B+
Retailer 8
-
£219 GBP
$291 USD
View
B+
Retailer 9
-
£231 GBP
View
B+
Retailer 10
-
£273 GBP
$364 USD
View
B+
Retailer 11
-
£278 GBP
View
B+
Retailer 12
-
£292 GBP
$389 USD
View
B
Retailer 13
-
£313 GBP
SGD 563 SGD
View
B
Retailer 14
-
£363 GBP
$483 USD
View
B
Retailer 15
-
£428 GBP
$570 USD
View
Retailer 16
-
£428 GBP
$570 USD
View
Price last confirmed 15 days ago
Most Expensive
MOH London
LG805672703 · Oct 21
£946 GBP
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from £91 GBPSave up to £337 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
0.78ct Emerald
£91 GBP