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Emerald|Lab Grown|IGI

1.31ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG727546042

Shape and cutting style on the report: Emerald cut

Certificate IGI LG727546042

Diamond specifications and retailer prices

From £173 GBP
$231 USD
As of October 30, 2026
Save £738 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £912 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.31ct lab-grown emerald diamond

This 1.31ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727546042 or 727546042. Listed at 17 retailers as of October 30, 2026, with prices from £173 to £912, a £738 spread on the same certified stone. Reve Diamonds lists it at £912. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727546042
Dimensions5.09 × 5.09 × 3.53 mm
L/W Ratio1.00
Culet sizeLarge
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
5.09 mm5.09 mm1.31 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727546042
Side View
Table 62.0%Crown 35.7°Girdle: ThickPavilion 39.6°Culet: LargeDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £354 GBP|Low: £149 GBP|High: £912 GBP|Avg: £383 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 30, 2026
Retailer 13£149 GBP
Retailer 2£173 GBP
Retailer 4£179 GBP
Retailer 9£192 GBP
Retailer 12£192 GBP
Retailer 11£267 GBP
Retailer 8£325 GBP
Retailer 1£354 GBP
Retailer 5£378 GBP
Retailer 7£470 GBP
Retailer 3£618 GBP
Retailer 10£620 GBP
Retailer 6£774 GBP
Reve Diamonds£912 GBP

46 data points across 14 retailers

17 retailers£173 GBP to £912 GBP

Retailer 1
-
£149 GBP
$198 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£173 GBP
$231 USD
View
Final sale: no returns
Retailer 3
-
£179 GBP
$239 USD
View
Price last confirmed 23 days ago
Retailer 4
-
£192 GBP
$256 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£192 GBP
$256 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
£192 GBP
$256 USD
View
B+
Retailer 7
-
£267 GBP
$355 USD
View
Retailer 8
-
£325 GBP
ZAR 6,992 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
£354 GBP
View
A
Retailer 10
-
£378 GBP
$504 USD
View
A
Retailer 11
-
£470 GBP
A$962 AUD
View
Retailer 12
-
£618 GBP
$823 USD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
£620 GBP
$826 USD
View
B+
Retailer 14
-
£658 GBP
$876 USD
View
B+
Retailer 15
-
£667 GBP
$888 USD
View
B+
Retailer 16
-
£774 GBP
View
Most Expensive
B
Reve Diamonds
D57E9EF70 · Oct 30
£912 GBP
$1,214 USD
View
16 more retailers have this diamond
Prices start from £173 GBPSave up to £738 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
1.31ct Emerald
£173 GBP