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Radiant|Lab Grown|IGI

1.21ct E VVS2 Radiant Lab Grown Diamond

EX • E/VVS2 • IGI LG844646117

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

Certificate IGI LG844646117

Diamond specifications and retailer prices

From £136 GBP
$181 USD
As of October 23, 2026
Save £885 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,021 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844646117 or 844646117. Listed at 18 retailers as of October 23, 2026, with prices from £136 to £1,021, a £885 spread on the same certified stone. Brilliant Earth lists it at £1,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844646117
Dimensions7.66 × 5.15 × 3.48 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm5.15 mm1.21 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844646117
Side View
Table 63.0%Crown 22.3°Girdle: MediumPavilion 35.8°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 23
Current: £284 GBP|Low: £136 GBP|High: £850 GBP|Avg: £388 GBP|-3.8%
Retailer 1
Retailer 2
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Retailer 5
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 9£136 GBP
Retailer 2£158 GBP
Retailer 13£162 GBP
Retailer 3£168 GBP
Retailer 8£168 GBP
Retailer 11£197 GBP
Retailer 1£284 GBP
Retailer 7£298 GBP
Retailer 5£351 GBP
Retailer 4£411 GBP
Retailer 15£411 GBP
Retailer 12£514 GBP
Retailer 16£526 GBP
Retailer 14£554 GBP
Retailer 17£571 GBP
Retailer 10£751 GBP
Retailer 6£850 GBP

21 data points across 17 retailers

18 retailers£136 GBP to £1,021 GBP

A
Cheapest Retailer
-
£136 GBP
$181 USD
A
Retailer 2
-
£158 GBP
$210 USD
View
A
Retailer 3
-
£162 GBP
$216 USD
View
Final sale: no returns
A
Retailer 4
-
£168 GBP
$224 USD
View
A
Retailer 5
-
£168 GBP
$224 USD
View
A
Retailer 6
-
£197 GBP
View
A
Retailer 7
-
£284 GBP
View
A
Retailer 8
-
£298 GBP
$397 USD
View
A
Retailer 9
-
£351 GBP
$467 USD
View
B+
Retailer 10
-
£411 GBP
$547 USD
View
A
Retailer 11
-
£411 GBP
A$843 AUD
View
B+
Retailer 12
-
£514 GBP
$684 USD
View
B+
Retailer 13
-
£526 GBP
$700 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
£554 GBP
$738 USD
View
B+
Retailer 15
-
£571 GBP
$761 USD
View
B
Retailer 16
-
£751 GBP
View
B
Retailer 17
-
£850 GBP
$1,132 USD
View
Most Expensive
Brilliant Earth
22340748A · Oct 28
£1,021 GBP
$1,360 USD
View
17 more retailers have this diamond
Prices start from £136 GBPSave up to £885 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
1.21ct Radiant
£136 GBP