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Emerald|Lab Grown|IGI

0.66ct I VS1 Emerald Lab Grown Diamond

ID • I/VS1 • IGI LG578310656

Shape and cutting style on the report: Emerald cut

Certificate IGI LG578310656

Diamond specifications and retailer prices

From £84 GBP
$113 USD
As of November 1, 2026
Save £753 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £837 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.66ct lab-grown emerald diamond

This 0.66ct lab-grown emerald sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578310656 or 578310656. Listed at 17 retailers as of October 29, 2026, with prices from £84 to £837, a £753 spread on the same certified stone. MOH London lists it at £837. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578310656
Dimensions6.28 × 4.32 × 2.58 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.28 mm4.32 mm0.66 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578310656
Side View
Table 66.0%Crown 34.5°Girdle: MediumPavilion 37.7°Culet: LNGDepth 59.7%

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: Nov 1
Current: £837 GBP|Low: £77 GBP|High: £843 GBP|Avg: £273 GBP|-0.6%
MOH London
Retailer 2
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 2£84 GBP
Retailer 6£93 GBP
Retailer 5£106 GBP
Retailer 14£111 GBP
Retailer 12£142 GBP
Retailer 18£187 GBP
Retailer 11£190 GBP
Retailer 3£194 GBP
Retailer 9£221 GBP
Retailer 17£261 GBP
Retailer 10£266 GBP
Retailer 8£332 GBP
Retailer 15£335 GBP
Retailer 7£340 GBP
Retailer 4£357 GBP
Retailer 16£378 GBP
Retailer 13£546 GBP
MOH London£837 GBP

31 data points across 18 retailers

17 retailers£84 GBP to £837 GBP

A
Cheapest Retailer
-
£84 GBP
$113 USD
A
Retailer 2
-
£93 GBP
$125 USD
View
Retailer 3
-
£106 GBP
$142 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£111 GBP
$149 USD
View
B+
Retailer 5
-
£142 GBP
$190 USD
View
A
Retailer 6
-
£187 GBP
€238 EUR
View
A
Retailer 7
-
£190 GBP
ZAR 4,102 ZAR
View
A
Retailer 8
-
£194 GBP
$260 USD
View
A
Retailer 9
-
£261 GBP
$350 USD
View
B+
Retailer 10
-
£286 GBP
View
B+
Retailer 11
-
£332 GBP
$445 USD
View
B+
Retailer 12
-
£335 GBP
$449 USD
View
Retailer 13
-
£340 GBP
SGD 615 SGD
View
Price last confirmed 20 days ago
B+
Retailer 14
-
£357 GBP
$479 USD
View
B
Retailer 15
-
£378 GBP
$507 USD
View
B
Retailer 16
-
£546 GBP
View
Most Expensive
B
MOH London
LG578310656 · Oct 29
£837 GBP
View
16 more retailers have this diamond
Prices start from £84 GBPSave up to £753 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
0.66ct Emerald
£84 GBP