Radiant|Lab Grown|IGI

1.27ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG836665400

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

Certificate IGI LG836665400

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 30, 2026
Save £742 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £903 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.27ct lab-grown radiant diamond

This 1.27ct 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 LG836665400 or 836665400. Listed at 13 retailers as of October 30, 2026, with prices from £161 to £903, a £742 spread on the same certified stone. Brilliant Earth lists it at £903. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665400
Dimensions7.61 × 5.34 × 3.61 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.61 mm5.34 mm1.27 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665400
Side View
Table 66.0%Crown 44.7°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.6%

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: £903 GBP|Low: £161 GBP|High: £911 GBP|Avg: £485 GBP|-0.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13£161 GBP
Retailer 7£225 GBP
Retailer 8£308 GBP
Retailer 4£313 GBP
Retailer 2£319 GBP
Retailer 6£324 GBP
Retailer 11£352 GBP
Retailer 9£437 GBP
Retailer 5£481 GBP
Retailer 12£578 GBP
Retailer 10£839 GBP
Retailer 3£875 GBP
Brilliant Earth£903 GBP

14 data points across 13 retailers

13 retailers£161 GBP to £903 GBP

A
Cheapest Retailer
-
£161 GBP
$216 USD
Final sale: no returns
A
Retailer 2
-
£225 GBP
View
A
Retailer 3
-
£308 GBP
ZAR 6,658 ZAR
View
A
Retailer 4
-
£313 GBP
$419 USD
View
A
Retailer 5
-
£319 GBP
€407 EUR
View
A
Retailer 6
-
£324 GBP
View
A
Retailer 7
-
£352 GBP
$472 USD
View
B+
Retailer 8
-
£437 GBP
A$901 AUD
View
Retailer 9
-
£481 GBP
$645 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
£578 GBP
$774 USD
View
B
Retailer 11
-
£839 GBP
View
B
Retailer 12
-
£875 GBP
$1,173 USD
View
Most Expensive
B
Brilliant Earth
22163318A · Oct 30
£903 GBP
$1,210 USD
View
12 more retailers have this diamond
Prices start from £161 GBPSave up to £742 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
1.27ct Radiant
£161 GBP