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Emerald|Lab Grown|IGI

1.31ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG618477263

Shape and cutting style on the report: Emerald cut

Certificate IGI LG618477263

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 27, 2026
Save £1,050 GBP (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,172 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618477263 or 618477263. Listed at 8 retailers as of October 27, 2026, with prices from £122 to £1,172, a £1,050 spread on the same certified stone. Do Amore Diamonds lists it at £1,172. 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

1.31
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618477263
Dimensions7.56 × 5.03 × 3.39 mm
L/W Ratio1.50
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
7.56 mm5.03 mm1.31 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618477263
Side View
Table 63.0%Crown 37.9°Girdle: MediumPavilion 41.1°Culet: LargeDepth 67.4%

Caratlytics Score

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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: Oct 27
Current: £1,172 GBP|Low: £94 GBP|High: £1,172 GBP|Avg: £447 GBP|+3.3%
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
Retailer 13
Retailer 14
October 25, 2026
Retailer 8£122 GBP
Retailer 12£137 GBP
Retailer 13£142 GBP
Retailer 4£247 GBP
Retailer 10£273 GBP
Retailer 3£371 GBP
Retailer 6£389 GBP
Retailer 9£466 GBP
Retailer 7£513 GBP
Retailer 14£531 GBP
Retailer 11£537 GBP
Retailer 5£642 GBP
Retailer 2£781 GBP
Do Amore Diamonds£1,172 GBP

16 data points across 14 retailers

8 retailers£122 GBP to £1,172 GBP

A
Cheapest Retailer
-
£122 GBP
$163 USD
A
Retailer 2
-
£142 GBP
$190 USD
View
Retailer 3
-
£273 GBP
$366 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£466 GBP
$625 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£513 GBP
$688 USD
View
Retailer 6
-
£537 GBP
$719 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
£781 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D65C9A171 · Oct 27
£1,172 GBP
$1,570 USD
View
7 more retailers have this diamond
Prices start from £122 GBPSave up to £1,050 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
£122 GBP