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Radiant|Lab Grown|IGI

1.21ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG636415187

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

Certificate IGI LG636415187

Diamond specifications and retailer prices

From £161 GBP
$214 USD
As of October 28, 2026
Save £1,224 GBP (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,385 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG636415187 or 636415187. Listed at 12 retailers as of October 28, 2026, with prices from £161 to £1,385, a £1,224 spread on the same certified stone. Do Amore Diamonds lists it at £1,385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636415187
Dimensions7.50 × 5.30 × 3.53 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm5.30 mm1.21 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636415187
Side View
Table 61.0%Crown 42.1°Girdle: MediumPavilion 35°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,385 GBP|Low: £160 GBP|High: £1,385 GBP|Avg: £574 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10£161 GBP
Retailer 7£259 GBP
Retailer 12£294 GBP
Retailer 3£312 GBP
Retailer 5£362 GBP
Retailer 8£576 GBP
Retailer 6£617 GBP
Retailer 4£618 GBP
Retailer 11£763 GBP
Retailer 2£794 GBP
Retailer 9£878 GBP
Do Amore Diamonds£1,385 GBP

22 data points across 12 retailers

12 retailers£161 GBP to £1,385 GBP

A
Cheapest Retailer
-
£161 GBP
$214 USD
Final sale: no returns
A
Retailer 2
-
£259 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
£294 GBP
$390 USD
View
A
Retailer 4
-
£312 GBP
$415 USD
View
A
Retailer 5
-
£362 GBP
View
B+
Retailer 6
-
£576 GBP
$766 USD
View
B+
Retailer 7
-
£617 GBP
$820 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
£618 GBP
View
B
Retailer 9
-
£763 GBP
$1,014 USD
View
B
Retailer 10
-
£794 GBP
View
B
Retailer 11
-
£878 GBP
$1,167 USD
View
Most Expensive
B
Do Amore Diamonds
27-52897A029 · Oct 29
£1,385 GBP
$1,840 USD
View
11 more retailers have this diamond
Prices start from £161 GBPSave up to £1,224 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
£161 GBP