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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG805666698

Shape and cutting style on the report: Emerald cut

Certificate IGI LG805666698

Diamond specifications and retailer prices

From £104 GBP
$139 USD
As of October 29, 2026
Save £948 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,052 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct lab-grown emerald sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805666698 or 805666698. Listed at 17 retailers as of October 26, 2026, with prices from £104 to £1,052, a £948 spread on the same certified stone. MOH London lists it at £1,052. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805666698
Dimensions6.68 × 4.81 × 3.20 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.68 mm4.81 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805666698
Side View
Table 69.0%Crown 34.7°Girdle: MED-STKPavilion 39°Culet: LargeDepth 66.5%

Caratlytics Score

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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 29
Current: £1,052 GBP|Low: £98 GBP|High: £1,063 GBP|Avg: £298 GBP|-1.0%
MOH London
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 13£104 GBP
Retailer 7£118 GBP
Retailer 2£125 GBP
Retailer 4£126 GBP
Retailer 6£126 GBP
Retailer 12£220 GBP
Retailer 15£221 GBP
Retailer 9£240 GBP
Retailer 11£244 GBP
Retailer 16£323 GBP
Retailer 8£365 GBP
Retailer 5£405 GBP
Retailer 14£455 GBP
Retailer 3£552 GBP
Retailer 10£746 GBP
MOH London£1,052 GBP

46 data points across 16 retailers

17 retailers£104 GBP to £1,052 GBP

A
Cheapest Retailer
-
£104 GBP
$139 USD
A
Retailer 2
-
£118 GBP
$158 USD
View
A
Retailer 3
-
£125 GBP
$167 USD
View
Final sale: no returns
A
Retailer 4
-
£126 GBP
$169 USD
View
A
Retailer 5
-
£126 GBP
$169 USD
View
A
Retailer 6
-
£220 GBP
View
A
Retailer 7
-
£221 GBP
€282 EUR
View
A
Retailer 8
-
£240 GBP
$322 USD
View
A
Retailer 9
-
£244 GBP
View
B+
Retailer 10
-
£323 GBP
$433 USD
View
B+
Retailer 11
-
£365 GBP
$489 USD
View
Retailer 12
-
£370 GBP
$496 USD
View
Price last confirmed 102 days ago
B+
Retailer 13
-
£405 GBP
$542 USD
View
B
Retailer 14
-
£455 GBP
$610 USD
View
Retailer 15
-
£552 GBP
$740 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
£746 GBP
$999 USD
View
Most Expensive
B
MOH London
LG805666698 · Oct 26
£1,052 GBP
View
16 more retailers have this diamond
Prices start from £104 GBPSave up to £948 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
1.00ct Emerald
£104 GBP