Radiant|Lab Grown|IGI

1.26ct E VS1 Radiant Lab Grown Diamond

GD • E/VS1 • IGI LG678501860

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

Certificate IGI LG678501860

Diamond specifications and retailer prices

From £393 GBP
$527 USD
As of October 24, 2026
Save £763 GBP (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,157 GBP at Do Amore Diamonds · As of October 25, 2026
View at Do Amore Diamonds

About this 1.26ct lab-grown radiant diamond

This 1.26ct 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 standard cut grade and certified by IGI LG678501860 or 678501860. Listed at 16 retailers as of October 24, 2026, with prices from £393 to £1,157, a £763 spread on the same certified stone. Do Amore Diamonds lists it at £1,157. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.26
Carat
E
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678501860
Dimensions8.22 × 5.17 × 3.55 mm
L/W Ratio1.59
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.17 mm1.26 ctE / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678501860
Side View
Table 63.0%Crown 42.5°Girdle: MediumPavilion 33.8°Culet: NoneDepth 68.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: £1,157 GBP|Low: £114 GBP|High: £1,157 GBP|Avg: £435 GBP
Do Amore Diamonds
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 15
October 24, 2026
Retailer 4£121 GBP
Retailer 3£135 GBP
Retailer 8£140 GBP
Retailer 11£149 GBP
Retailer 13£203 GBP
Retailer 10£266 GBP
Retailer 2£286 GBP
Retailer 15£393 GBP
Retailer 7£481 GBP
Retailer 9£508 GBP
Retailer 5£531 GBP
Retailer 6£660 GBP
Retailer 14£775 GBP
Retailer 12£801 GBP
Do Amore Diamonds£1,157 GBP

37 data points across 15 retailers

16 retailers£393 GBP to £1,157 GBP

Retailer 1
-
£121 GBP
$162 USD
Price last confirmed 8 days ago
Retailer 2
-
£140 GBP
$187 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£149 GBP
$200 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£149 GBP
$200 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£203 GBP
$272 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£266 GBP
$356 USD
View
Price last confirmed 8 days ago
Retailer 7
-
£286 GBP
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£393 GBP
$527 USD
View
Retailer 9
-
£481 GBP
$645 USD
View
Price last confirmed 10 days ago
Retailer 10
-
£508 GBP
$680 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£531 GBP
$711 USD
View
Price last confirmed 9 days ago
Retailer 12
-
£660 GBP
$884 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£775 GBP
View
Price last confirmed 10 days ago
Retailer 14
-
£801 GBP
$1,073 USD
View
Price last confirmed 8 days ago
Most Expensive
C
Do Amore Diamonds
27-5858897D6 · Oct 25
£1,157 GBP
$1,550 USD
View
14 more retailers have this diamond
Prices start from £393 GBPSave up to £763 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.

B+
1.26ct Radiant
£393 GBP