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Radiant|Lab Grown|IGI

1.21ct H VVS2 Radiant Lab Grown Diamond

ID • H/VVS2 • IGI LG607389249

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

Certificate IGI LG607389249

Diamond specifications and retailer prices

From £179 GBP
As of November 4, 2026
Save £1,355 GBP (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,533 GBP at Do Amore Diamonds · As of November 5, 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 H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG607389249 or 607389249. Listed at 15 retailers as of November 4, 2026, with prices from £179 to £1,533, a £1,355 spread on the same certified stone. Do Amore Diamonds lists it at £1,533. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607389249
Dimensions8.00 × 5.09 × 3.39 mm
L/W Ratio1.57
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.00 mm5.09 mm1.21 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607389249
Side View
Table 64.0%Crown 44.1°Girdle: THN-MEDPavilion 31.5°Culet: NoneDepth 66.6%

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: Nov 4
Current: £1,533 GBP|Low: £179 GBP|High: £1,637 GBP|Avg: £649 GBP|-6.3%
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
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 12£179 GBP
Retailer 15£266 GBP
Retailer 10£269 GBP
Retailer 14£282 GBP
Retailer 3£290 GBP
Retailer 9£377 GBP
Retailer 8£536 GBP
Retailer 7£604 GBP
Retailer 11£639 GBP
Retailer 4£830 GBP
Retailer 2£873 GBP
Retailer 6£880 GBP
Retailer 13£921 GBP
Retailer 5£956 GBP
Do Amore Diamonds£1,533 GBP

21 data points across 15 retailers

15 retailers£179 GBP to £1,533 GBP

Retailer 1
-
£153 GBP
Price last confirmed 34 days ago
A
Retailer 2
-
£179 GBP
View
Final sale: no returns
Retailer 3
-
£185 GBP
View
Price last confirmed 39 days ago
Retailer 4
-
£198 GBP
View
Price last confirmed 33 days ago
B+
Retailer 5
-
£266 GBP
View
A
Retailer 6
-
£282 GBP
View
A
Retailer 7
-
£290 GBP
View
A
Retailer 8
-
£377 GBP
View
B+
Retailer 9
-
£536 GBP
View
B
Retailer 10
-
£639 GBP
View
Retailer 11
-
£703 GBP
View
Price last confirmed 36 days ago
B
Retailer 12
-
£830 GBP
View
B
Retailer 13
-
£873 GBP
View
B
Retailer 14
-
£921 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6BD9DC7C0 · Nov 5
£1,533 GBP
$2,070 USD
View
14 more retailers have this diamond
Prices start from £179 GBPSave up to £1,355 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
£179 GBP