Radiant|Lab Grown|IGI

1.25ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG650477738

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

Certificate IGI LG650477738

Diamond specifications and retailer prices

From £196 GBP
$262 USD
As of October 30, 2026
Save £729 GBP (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £925 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650477738 or 650477738. Listed at 7 retailers as of October 30, 2026, with prices from £196 to £925, a £729 spread on the same certified stone. Michael Trio lists it at £925. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650477738
Dimensions7.66 × 5.24 × 3.55 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm5.24 mm1.25 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650477738
Side View
Table 67.0%Crown 40°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 67.7%

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: £925 GBP|Low: £196 GBP|High: £925 GBP|Avg: £505 GBP|+12.1%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5£196 GBP
Retailer 6£281 GBP
Retailer 7£315 GBP
Retailer 4£496 GBP
Retailer 3£566 GBP
Retailer 2£731 GBP
Michael Trio£925 GBP

10 data points across 7 retailers

7 retailers£196 GBP to £925 GBP

A
Cheapest Retailer
-
£196 GBP
$262 USD
Final sale: no returns
A
Retailer 2
-
£281 GBP
$377 USD
View
A
Retailer 3
-
£315 GBP
HK$3,300 HKD
View
Retailer 4
-
£496 GBP
$665 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£566 GBP
A$1,166 AUD
View
Price last confirmed 23 days ago
B
Retailer 6
-
£731 GBP
$980 USD
View
Most Expensive
B
Michael Trio
1036543437 · Oct 31
£925 GBP
SGD 1,674 SGD
View
6 more retailers have this diamond
Prices start from £196 GBPSave up to £729 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
£196 GBP