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Radiant|Lab Grown|IGI

1.25ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG596318640

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

Certificate IGI LG596318640

Diamond specifications and retailer prices

From £204 GBP
$274 USD
As of October 30, 2026
Save £740 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £945 GBP at Reve Diamonds · As of October 30, 2026
View at Reve 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG596318640 or 596318640. Listed at 17 retailers as of October 30, 2026, with prices from £204 to £945, a £740 spread on the same certified stone. Reve Diamonds lists it at £945. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596318640
Dimensions7.90 × 5.45 × 3.64 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
7.90 mm5.45 mm1.25 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596318640
Side View
Table 60.0%Crown 33.2°Girdle: THN-MEDPavilion 35.3°Culet: NoneDepth 66.8%

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 30
Current: £306 GBP|Low: £124 GBP|High: £945 GBP|Avg: £474 GBP
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
Retailer 15
Reve Diamonds
October 30, 2026
Retailer 6£124 GBP
Retailer 13£184 GBP
Retailer 4£204 GBP
Retailer 2£213 GBP
Retailer 14£228 GBP
Retailer 1£306 GBP
Retailer 5£357 GBP
Retailer 8£391 GBP
Retailer 3£407 GBP
Retailer 10£544 GBP
Retailer 9£555 GBP
Retailer 15£731 GBP
Retailer 12£734 GBP
Retailer 7£742 GBP
Retailer 11£918 GBP
Reve Diamonds£945 GBP

25 data points across 16 retailers

17 retailers£204 GBP to £945 GBP

Retailer 1
-
£184 GBP
$246 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£204 GBP
$274 USD
View
Final sale: no returns
Retailer 3
-
£213 GBP
$285 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£228 GBP
$305 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£228 GBP
$305 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£306 GBP
$410 USD
View
B+
Retailer 7
-
£357 GBP
$478 USD
View
B+
Retailer 8
-
£391 GBP
ZAR 8,466 ZAR
View
B+
Retailer 9
-
£407 GBP
$545 USD
View
B+
Retailer 10
-
£526 GBP
View
B+
Retailer 11
-
£544 GBP
A$1,122 AUD
View
B+
Retailer 12
-
£555 GBP
A$1,145 AUD
View
Retailer 13
-
£731 GBP
$980 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
£734 GBP
$984 USD
View
B
Retailer 15
-
£742 GBP
$994 USD
View
Retailer 16
-
£918 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
3AB6D8B48 · Oct 30
£945 GBP
$1,266 USD
View
16 more retailers have this diamond
Prices start from £204 GBPSave up to £740 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