Radiant|Lab Grown|IGI

1.21ct D VVS2 Radiant Lab Grown Diamond

VG • D/VVS2 • IGI LG825627372

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

Certificate IGI LG825627372

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of October 30, 2026
Save £661 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £818 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG825627372 or 825627372. Listed at 12 retailers as of October 25, 2026, with prices from £157 to £818, a £661 spread on the same certified stone. MOH London lists it at £818. 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

1.21
Carat
D
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825627372
Dimensions7.53 × 5.33 × 3.51 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm5.33 mm1.21 ctD / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825627372
Side View
Table 65.0%Crown 36.8°Girdle: Slightly ThickPavilion 33.2°Culet: NoneDepth 65.9%

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: £818 GBP|Low: £157 GBP|High: £818 GBP|Avg: £398 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8£157 GBP
Retailer 2£229 GBP
Retailer 4£300 GBP
Retailer 9£307 GBP
Retailer 3£317 GBP
Retailer 6£373 GBP
Retailer 5£426 GBP
Retailer 10£563 GBP
Retailer 7£602 GBP
MOH London£818 GBP

8 data points across 10 retailers

12 retailers£157 GBP to £818 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
Final sale: no returns
A
Retailer 2
-
£229 GBP
View
A
Retailer 3
-
£300 GBP
ZAR 6,494 ZAR
View
A
Retailer 4
-
£307 GBP
$411 USD
View
A
Retailer 5
-
£317 GBP
View
B+
Retailer 6
-
£373 GBP
$500 USD
View
B+
Retailer 7
-
£426 GBP
A$878 AUD
View
B+
Retailer 8
-
£561 GBP
$752 USD
View
B+
Retailer 9
-
£561 GBP
$752 USD
View
B+
Retailer 10
-
£563 GBP
$755 USD
View
B
Retailer 11
-
£602 GBP
$806 USD
View
Most Expensive
B
MOH London
LG825627372 · Oct 25
£818 GBP
View
11 more retailers have this diamond
Prices start from £157 GBPSave up to £661 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
£157 GBP