Radiant|Lab Grown|IGI

1.25ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG817647715

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG817647715

Diamond specifications and retailer prices

From £204 GBP
$273 USD
As of October 31, 2026
Save £710 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £914 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant 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 LG817647715 or 817647715. Listed at 15 retailers as of October 29, 2026, with prices from £204 to £914, a £710 spread on the same certified stone. MOH London lists it at £914. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817647715
Dimensions8.24 × 5.16 × 3.45 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm5.16 mm1.25 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817647715
Side View
Table 70.0%Crown 43°Girdle: ThickPavilion 34.1°Culet: NoneDepth 66.9%

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 31
Current: £914 GBP|Low: £204 GBP|High: £948 GBP|Avg: £545 GBP|-3.6%
MOH London
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 15£204 GBP
Retailer 13£211 GBP
Retailer 2£305 GBP
Retailer 8£347 GBP
Retailer 12£360 GBP
Retailer 7£386 GBP
Retailer 9£425 GBP
Retailer 10£461 GBP
Retailer 6£555 GBP
Retailer 4£619 GBP
Retailer 16£729 GBP
Retailer 3£731 GBP
Retailer 14£765 GBP
Retailer 11£788 GBP
Retailer 5£806 GBP
MOH London£914 GBP

22 data points across 16 retailers

15 retailers£204 GBP to £914 GBP

A
Cheapest Retailer
-
£204 GBP
$273 USD
Final sale: no returns
A
Retailer 2
-
£211 GBP
$283 USD
View
A
Retailer 3
-
£305 GBP
$408 USD
View
A
Retailer 4
-
£360 GBP
€459 EUR
View
Retailer 5
-
£386 GBP
ZAR 8,365 ZAR
View
Price last confirmed 9 days ago
A
Retailer 6
-
£425 GBP
View
A
Retailer 7
-
£461 GBP
$618 USD
View
A
Retailer 8
-
£555 GBP
A$1,145 AUD
View
B+
Retailer 9
-
£619 GBP
$830 USD
View
B+
Retailer 10
-
£729 GBP
SGD 1,320 SGD
View
B+
Retailer 11
-
£731 GBP
$980 USD
View
B+
Retailer 12
-
£765 GBP
$1,025 USD
View
B+
Retailer 13
-
£788 GBP
$1,056 USD
View
B+
Retailer 14
-
£806 GBP
A$1,661 AUD
View
Most Expensive
B+
MOH London
LG817647715 · Oct 29
£914 GBP
View
14 more retailers have this diamond
Prices start from £204 GBPSave up to £710 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
1.25ct Radiant
£204 GBP