Radiant|Lab Grown|IGI

1.09ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG831646242

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

Certificate IGI LG831646242

Diamond specifications and retailer prices

From £119 GBP
$160 USD
As of October 30, 2026
Save £382 GBP (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £695 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831646242 or 831646242. Listed at 12 retailers as of October 30, 2026, with a 320% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831646242
Dimensions7.14 × 5.07 × 3.45 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.14 mm5.07 mm1.09 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831646242
Side View
Table 63.0%Crown 46.6°Girdle: MediumPavilion 35.8°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
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: £695 GBP|Low: £116 GBP|High: £706 GBP|Avg: £390 GBP|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8£119 GBP
Retailer 4£138 GBP
Retailer 2£177 GBP
Retailer 7£256 GBP
Retailer 11£387 GBP
Retailer 6£399 GBP
Retailer 10£475 GBP
Retailer 9£500 GBP
Retailer 5£502 GBP
Retailer 3£506 GBP
MOH London£695 GBP

33 data points across 11 retailers

12 retailers£119 GBP to £502 GBP

A
Cheapest Retailer
-
£119 GBP
$160 USD
A
Retailer 2
-
£138 GBP
$185 USD
View
A
Retailer 3
-
£177 GBP
View
Retailer 4
-
£256 GBP
€327 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£387 GBP
$519 USD
View
B+
Retailer 6
-
£388 GBP
$520 USD
View
Retailer 7
-
£399 GBP
$535 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£475 GBP
$637 USD
View
B+
Retailer 9
-
£500 GBP
$670 USD
View
B
Retailer 10
-
£502 GBP
$672 USD
View
Retailer 11
-
£506 GBP
SGD 917 SGD
View
Price last confirmed 19 days ago
Most Expensive
MOH London
LG831646242 · Oct 21
£695 GBP
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from £119 GBPSave up to £382 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
1.09ct Radiant
£119 GBP