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Emerald|Lab Grown|IGI

1.38ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG587316539

Shape and cutting style on the report: Emerald cut

Certificate IGI LG587316539

Diamond specifications and retailer prices

From £160 GBP
As of November 6, 2026
Save £763 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £924 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.38ct lab-grown emerald diamond

This 1.38ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG587316539 or 587316539. Listed at 16 retailers as of November 6, 2026, with prices from £160 to £924, a £763 spread on the same certified stone. Reve Diamonds lists it at £924. 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

1.38
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG587316539
Dimensions7.69 × 5.01 × 3.51 mm
L/W Ratio1.53
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
7.69 mm5.01 mm1.38 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG587316539
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: LNGDepth 70.1%

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: Nov 6
Current: £640 GBP|Low: £154 GBP|High: £1,000 GBP|Avg: £496 GBP|+36.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Reve Diamonds
November 4, 2026
Retailer 11£160 GBP
Retailer 4£179 GBP
Retailer 15£186 GBP
Retailer 2£198 GBP
Retailer 13£198 GBP
Retailer 12£335 GBP
Retailer 16£340 GBP
Retailer 5£435 GBP
Retailer 3£439 GBP
Retailer 7£527 GBP
Retailer 10£594 GBP
Retailer 14£638 GBP
Retailer 1£640 GBP
Retailer 8£678 GBP
Retailer 9£795 GBP
Reve Diamonds£924 GBP
Retailer 6£1,000 GBP

24 data points across 17 retailers

16 retailers£160 GBP to £924 GBP

A
Cheapest Retailer
-
£160 GBP
A
Retailer 2
-
£179 GBP
View
Final sale: no returns
A
Retailer 3
-
£186 GBP
View
Retailer 4
-
£198 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£198 GBP
View
Retailer 6
-
£335 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
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£340 GBP
View
Retailer 8
-
£435 GBP
View
Price last confirmed 44 days ago
B+
Retailer 9
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£439 GBP
View
B+
Retailer 10
-
£524 GBP
View
B+
Retailer 11
-
£594 GBP
View
B+
Retailer 12
-
£638 GBP
View
B
Retailer 13
-
£640 GBP
View
B
Retailer 14
-
£678 GBP
View
B
Retailer 15
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£795 GBP
View
Most Expensive
B
Reve Diamonds
4395A5F13 · Nov 6
£924 GBP
$1,243 USD
View
15 more retailers have this diamond
Prices start from £160 GBPSave up to £763 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
1.38ct Emerald
£160 GBP