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Radiant|Lab Grown|IGI

1.25ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG572337913

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

Certificate IGI LG572337913

Diamond specifications and retailer prices

From £155 GBP
As of November 4, 2026
Save £1,161 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,315 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG572337913 or 572337913. Listed at 10 retailers as of November 4, 2026, with prices from £155 to £1,315, a £1,161 spread on the same certified stone. Do Amore Diamonds lists it at £1,315. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG572337913
Dimensions7.74 × 5.33 × 3.61 mm
L/W Ratio1.45
Culet sizePointed
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
7.74 mm5.33 mm1.25 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG572337913
Side View
Table 65.0%Crown 42.4°Girdle: MediumPavilion 35.2°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: Nov 4
Current: £1,315 GBP|Low: £149 GBP|High: £1,315 GBP|Avg: £552 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 14
November 5, 2026
Retailer 10£155 GBP
Retailer 13£180 GBP
Retailer 8£266 GBP
Retailer 3£296 GBP
Retailer 12£331 GBP
Retailer 4£355 GBP
Retailer 14£374 GBP
Retailer 7£518 GBP
Retailer 9£619 GBP
Retailer 11£681 GBP
Retailer 6£820 GBP
Retailer 5£837 GBP
Retailer 2£846 GBP
Do Amore Diamonds£1,315 GBP

24 data points across 14 retailers

10 retailers£155 GBP to £1,315 GBP

A
Cheapest Retailer
-
£155 GBP
A
Retailer 2
-
£180 GBP
View
A
Retailer 3
-
£296 GBP
View
A
Retailer 4
-
£331 GBP
View
A
Retailer 5
-
£374 GBP
View
B+
Retailer 6
-
£518 GBP
View
B
Retailer 7
-
£619 GBP
View
B
Retailer 8
-
£681 GBP
View
B
Retailer 9
-
£846 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1561274 · Nov 4
£1,315 GBP
$1,770 USD
View
9 more retailers have this diamond
Prices start from £155 GBPSave up to £1,161 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
£155 GBP