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Emerald|Lab Grown|IGI

1.67ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG550227453

Shape and cutting style on the report: Emerald cut

Certificate IGI LG550227453

Diamond specifications and retailer prices

From £128 GBP
$172 USD
As of October 27, 2026
Save £1,103 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,231 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown emerald diamond

This 1.67ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG550227453 or 550227453. Listed at 12 retailers as of October 27, 2026, with prices from £128 to £1,231, a £1,103 spread on the same certified stone. Do Amore Diamonds lists it at £1,231. 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

1.67
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550227453
Dimensions8.11 × 5.40 × 3.70 mm
L/W Ratio1.50
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
8.11 mm5.40 mm1.67 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550227453
Side View
Table 62.5%Crown 34°Girdle: MediumPavilion 37.4°Culet: LNGDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,231 GBP|Low: £123 GBP|High: £1,231 GBP|Avg: £414 GBP|+1.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 8£128 GBP
Retailer 3£149 GBP
Retailer 9£159 GBP
Retailer 12£159 GBP
Retailer 10£283 GBP
Retailer 5£288 GBP
Retailer 2£317 GBP
Retailer 4£358 GBP
Retailer 7£540 GBP
Retailer 11£564 GBP
Retailer 6£825 GBP
Do Amore Diamonds£1,231 GBP

41 data points across 12 retailers

12 retailers£128 GBP to £1,231 GBP

A
Cheapest Retailer
-
£128 GBP
$172 USD
A
Retailer 2
-
£149 GBP
$199 USD
View
Retailer 3
-
£159 GBP
$213 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£159 GBP
$213 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£283 GBP
$379 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£288 GBP
€368 EUR
View
A
Retailer 7
-
£317 GBP
View
B+
Retailer 8
-
£358 GBP
$480 USD
View
B+
Retailer 9
-
£540 GBP
$723 USD
View
Retailer 10
-
£564 GBP
$756 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£825 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
Do Amore Diamonds
27-C9CB4C043 · Oct 27
£1,231 GBP
$1,650 USD
View
11 more retailers have this diamond
Prices start from £128 GBPSave up to £1,103 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
1.67ct Emerald
£128 GBP