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Emerald|Lab Grown|IGI

1.26ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG685556749

Shape and cutting style on the report: Emerald cut

Certificate IGI LG685556749

Diamond specifications and retailer prices

From £117 GBP
$157 USD
As of October 30, 2026
Save £672 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £789 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.26ct lab-grown emerald diamond

This 1.26ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685556749 or 685556749. Listed at 15 retailers as of October 30, 2026, with prices from £117 to £789, a £672 spread on the same certified stone. Reve Diamonds lists it at £789. 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

1.26
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685556749
Dimensions7.02 × 5.08 × 3.49 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm5.08 mm1.26 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685556749
Side View
Table 59.0%Crown 33.7°Girdle: Slightly ThickPavilion 36.8°Culet: LargeDepth 68.7%

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: Oct 30
Current: £256 GBP|Low: £93 GBP|High: £789 GBP|Avg: £355 GBP|+4.2%
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
Retailer 14
Reve Diamonds
October 30, 2026
Retailer 10£117 GBP
Retailer 5£131 GBP
Retailer 3£137 GBP
Retailer 2£146 GBP
Retailer 12£146 GBP
Retailer 1£256 GBP
Retailer 7£257 GBP
Retailer 13£265 GBP
Retailer 4£390 GBP
Retailer 14£468 GBP
Retailer 9£495 GBP
Retailer 6£509 GBP
Retailer 11£552 GBP
Retailer 8£684 GBP
Reve Diamonds£789 GBP

45 data points across 15 retailers

15 retailers£117 GBP to £789 GBP

A
Cheapest Retailer
-
£117 GBP
$157 USD
A
Retailer 2
-
£131 GBP
$175 USD
View
Final sale: no returns
A
Retailer 3
-
£137 GBP
$183 USD
View
A
Retailer 4
-
£146 GBP
$195 USD
View
A
Retailer 5
-
£146 GBP
$195 USD
View
A
Retailer 6
-
£256 GBP
View
A
Retailer 7
-
£257 GBP
€328 EUR
View
B+
Retailer 8
-
£265 GBP
$355 USD
View
B+
Retailer 9
-
£390 GBP
$523 USD
View
B+
Retailer 10
-
£468 GBP
$627 USD
View
B
Retailer 11
-
£495 GBP
$663 USD
View
B
Retailer 12
-
£509 GBP
$682 USD
View
B
Retailer 13
-
£552 GBP
$740 USD
View
B
Retailer 14
-
£684 GBP
View
Most Expensive
B
Reve Diamonds
3643321E1 · Oct 30
£789 GBP
$1,058 USD
View
14 more retailers have this diamond
Prices start from £117 GBPSave up to £672 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
1.26ct Emerald
£117 GBP