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Emerald|Lab Grown|IGI

1.54ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG652464305

Shape and cutting style on the report: Emerald cut

Certificate IGI LG652464305

Diamond specifications and retailer prices

From £170 GBP
$228 USD
As of October 30, 2026
Save £770 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £940 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG652464305 or 652464305. Listed at 18 retailers as of October 29, 2026, with prices from £170 to £940, a £770 spread on the same certified stone. Brilliant Earth lists it at £940. 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
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle44.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652464305
Dimensions7.50 × 5.31 × 3.81 mm
L/W Ratio1.41
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
7.50 mm5.31 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652464305
Side View
Table 63.0%Crown 34.3°Girdle: Slightly ThickPavilion 44.9°Culet: LNGDepth 71.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £940 GBP|Low: £163 GBP|High: £970 GBP|Avg: £454 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12£170 GBP
Retailer 4£190 GBP
Retailer 13£197 GBP
Retailer 8£210 GBP
Retailer 11£210 GBP
Retailer 6£353 GBP
Retailer 2£393 GBP
Retailer 5£400 GBP
Retailer 9£519 GBP
Retailer 10£677 GBP
Retailer 3£765 GBP
Retailer 7£848 GBP
Brilliant Earth£940 GBP

43 data points across 13 retailers

18 retailers£170 GBP to £940 GBP

A
Cheapest Retailer
-
£170 GBP
$228 USD
A
Retailer 2
-
£190 GBP
$255 USD
View
Final sale: no returns
A
Retailer 3
-
£197 GBP
$264 USD
View
A
Retailer 4
-
£210 GBP
$282 USD
View
A
Retailer 5
-
£210 GBP
$282 USD
View
A
Retailer 6
-
£239 GBP
HK$2,500 HKD
View
B+
Retailer 7
-
£284 GBP
$380 USD
View
A
Retailer 8
-
£353 GBP
€451 EUR
View
B+
Retailer 9
-
£393 GBP
View
B+
Retailer 10
-
£400 GBP
$536 USD
View
Retailer 11
-
£519 GBP
$696 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
£551 GBP
$738 USD
View
B
Retailer 13
-
£677 GBP
$907 USD
View
B
Retailer 14
-
£682 GBP
SGD 1,234 SGD
View
B
Retailer 15
-
£765 GBP
$1,025 USD
View
Retailer 16
-
£788 GBP
$1,056 USD
View
Price last confirmed 82 days ago
B
Retailer 17
-
£848 GBP
View
Most Expensive
B
Brilliant Earth
11675495A · Oct 29
£940 GBP
$1,260 USD
View
17 more retailers have this diamond
Prices start from £170 GBPSave up to £770 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
1.54ct Emerald
£170 GBP