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Emerald|Lab Grown|IGI

1.54ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG500166087

Shape and cutting style on the report: Emerald cut

Certificate IGI LG500166087

Diamond specifications and retailer prices

From £1,426 GBP
$1,911 USD
As of October 30, 2026
Save £354 GBP (20%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,731 GBP at MOH London · As of October 27, 2026
View at MOH London

About this 1.54ct lab-grown emerald diamond

This 1.54ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500166087 or 500166087. Listed at 12 retailers as of October 29, 2026, with a relatively tight 25% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.54
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle26.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166087
Dimensions8.15 × 5.41 × 3.40 mm
L/W Ratio1.51
Culet sizeLarge
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
8.15 mm5.41 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG500166087
Side View
Table 64.0%Crown 26.2°Girdle: MED-STKPavilion 35.2°Culet: LargeDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,731 GBP|Low: £1,140 GBP|High: £4,788 GBP|Avg: £2,173 GBP|+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
October 30, 2026
Retailer 6£1,426 GBP
Retailer 7£1,508 GBP
Retailer 12£1,552 GBP
Retailer 3£1,596 GBP
Retailer 8£1,654 GBP
Retailer 11£1,654 GBP
Retailer 4£1,780 GBP
Retailer 2£2,275 GBP
Retailer 9£2,592 GBP
Retailer 5£2,716 GBP
Retailer 10£3,100 GBP
MOH London£4,731 GBP

44 data points across 12 retailers

12 retailers£1,426 GBP to £1,780 GBP

B
Cheapest Retailer
-
£1,426 GBP
$1,911 USD
B
Retailer 2
-
£1,508 GBP
$2,020 USD
View
B
Retailer 3
-
£1,552 GBP
$2,079 USD
View
B
Retailer 4
-
£1,596 GBP
$2,139 USD
View
Final sale: no returns
B
Retailer 5
-
£1,654 GBP
$2,216 USD
View
Retailer 6
-
£1,654 GBP
$2,216 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
£1,780 GBP
$2,385 USD
View
Retailer 8
-
£2,275 GBP
View
Price under review
Retailer 9
-
£2,592 GBP
$3,473 USD
View
Price under review
Retailer 10
-
£2,716 GBP
$3,639 USD
View
Price under review
Most Expensive
MOH London
LG500166087 · Oct 27
£4,731 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £1,426 GBPSave up to £354 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.

B
1.54ct Emerald
£1,426 GBP