Radiant|Lab Grown|IGI

1.05ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG778674777

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

Certificate IGI LG778674777

Diamond specifications and retailer prices

From £124 GBP
$166 USD
As of October 30, 2026
Save £686 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £810 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG778674777 or 778674777. Listed at 20 retailers as of October 30, 2026, with prices from £124 to £810, a £686 spread on the same certified stone. Reve Diamonds lists it at £810. 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

1.05
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778674777
Dimensions7.33 × 4.93 × 3.45 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.33 mm4.93 mm1.05 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778674777
Side View
Table 63.0%Crown 38.5°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 70.0%

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: £272 GBP|Low: £114 GBP|High: £810 GBP|Avg: £361 GBP|+15.1%
Retailer 1
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Retailer 11
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Retailer 18
Reve Diamonds
October 31, 2026
Retailer 2£124 GBP
Retailer 18£138 GBP
Retailer 14£143 GBP
Retailer 3£154 GBP
Retailer 17£154 GBP
Retailer 15£193 GBP
Retailer 5£252 GBP
Retailer 12£264 GBP
Retailer 1£272 GBP
Retailer 9£277 GBP
Retailer 10£278 GBP
Retailer 4£335 GBP
Retailer 13£374 GBP
Retailer 8£493 GBP
Retailer 16£522 GBP
Retailer 6£535 GBP
Retailer 11£722 GBP
Retailer 7£796 GBP
Reve Diamonds£810 GBP

42 data points across 19 retailers

20 retailers£124 GBP to £810 GBP

A
Cheapest Retailer
-
£124 GBP
$166 USD
A
Retailer 2
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£138 GBP
$185 USD
View
Final sale: no returns
A
Retailer 3
-
£143 GBP
$192 USD
View
Retailer 4
-
£154 GBP
$206 USD
View
Price last confirmed 19 days ago
A
Retailer 5
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£154 GBP
$206 USD
View
Retailer 6
-
£193 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£252 GBP
$338 USD
View
A
Retailer 8
-
£264 GBP
ZAR 5,708 ZAR
View
Retailer 9
-
£266 GBP
View
Price last confirmed 19 days ago
A
Retailer 10
-
£272 GBP
View
A
Retailer 11
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£277 GBP
$371 USD
View
Retailer 12
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£278 GBP
View
Price last confirmed 35 days ago
B+
Retailer 13
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£335 GBP
$449 USD
View
B+
Retailer 14
-
£374 GBP
A$771 AUD
View
B
Retailer 15
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£493 GBP
$661 USD
View
B
Retailer 16
-
£522 GBP
$699 USD
View
B
Retailer 17
-
£535 GBP
$716 USD
View
B
Retailer 18
-
£722 GBP
View
Retailer 19
-
£796 GBP
View
Price last confirmed 20 days ago
Most Expensive
B
Reve Diamonds
8E45D0F30 · Oct 30
£810 GBP
$1,085 USD
View
19 more retailers have this diamond
Prices start from £124 GBPSave up to £686 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
1.05ct Radiant
£124 GBP