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Emerald|Lab Grown|IGI

1.00ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG564365805

Shape and cutting style on the report: Emerald cut

Certificate IGI LG564365805

Diamond specifications and retailer prices

From £110 GBP
$147 USD
As of October 29, 2026
Save £529 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £639 GBP at MOH London · As of October 29, 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 LG564365805 or 564365805. Listed at 16 retailers as of October 29, 2026, with prices from £110 to £639, a £529 spread on the same certified stone. MOH London lists it at £639. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564365805
Dimensions6.51 × 4.65 × 3.18 mm
L/W Ratio1.40
Culet sizeLong
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
6.51 mm4.65 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG564365805
Side View
Table 65.5%Crown 36.2°Girdle: MediumPavilion 40°Culet: LNGDepth 68.4%

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 29
Current: £639 GBP|Low: £87 GBP|High: £643 GBP|Avg: £279 GBP|+0.4%
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
Retailer 14
October 30, 2026
Retailer 11£110 GBP
Retailer 4£122 GBP
Retailer 10£127 GBP
Retailer 13£136 GBP
Retailer 3£193 GBP
Retailer 7£235 GBP
Retailer 8£241 GBP
Retailer 9£258 GBP
Retailer 6£273 GBP
Retailer 5£318 GBP
Retailer 2£388 GBP
Retailer 12£437 GBP
Retailer 14£461 GBP
MOH London£639 GBP

43 data points across 14 retailers

16 retailers£110 GBP to £639 GBP

A
Cheapest Retailer
-
£110 GBP
$147 USD
A
Retailer 2
-
£122 GBP
$164 USD
View
Final sale: no returns
A
Retailer 3
-
£127 GBP
$170 USD
View
A
Retailer 4
-
£136 GBP
$182 USD
View
A
Retailer 5
-
£162 GBP
HK$1,700 HKD
View
B+
Retailer 6
-
£193 GBP
$258 USD
View
A
Retailer 7
-
£235 GBP
View
A
Retailer 8
-
£241 GBP
€308 EUR
View
A
Retailer 9
-
£258 GBP
View
B+
Retailer 10
-
£273 GBP
$365 USD
View
B+
Retailer 11
-
£318 GBP
$426 USD
View
B+
Retailer 12
-
£388 GBP
$520 USD
View
B+
Retailer 13
-
£390 GBP
SGD 707 SGD
View
B
Retailer 14
-
£437 GBP
$585 USD
View
B
Retailer 15
-
£461 GBP
$618 USD
View
Most Expensive
B
MOH London
LG564365805 · Oct 29
£639 GBP
View
15 more retailers have this diamond
Prices start from £110 GBPSave up to £529 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
£110 GBP