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Radiant|Lab Grown|IGI

1.21ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG758527456

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

Certificate IGI LG758527456

Diamond specifications and retailer prices

From £150 GBP
As of November 4, 2026
Save £1,287 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,437 GBP at Do Amore Diamonds · As of November 2, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758527456 or 758527456. Listed at 13 retailers as of November 2, 2026, with prices from £150 to £1,437, a £1,287 spread on the same certified stone. Do Amore Diamonds lists it at £1,437. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758527456
Dimensions7.50 × 5.31 × 3.58 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.50 mm5.31 mm1.21 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758527456
Side View
Table 67.0%Crown 45.8°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 67.5%

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: £1,437 GBP|Low: £117 GBP|High: £1,437 GBP|Avg: £469 GBP|+19.0%
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
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Retailer 17
November 1, 2026
Retailer 4£150 GBP
Retailer 17£174 GBP
Retailer 2£222 GBP
Retailer 16£250 GBP
Retailer 8£251 GBP
Retailer 15£267 GBP
Retailer 7£312 GBP
Retailer 12£331 GBP
Retailer 6£479 GBP
Retailer 3£519 GBP
Retailer 5£541 GBP
Retailer 9£589 GBP
Retailer 13£600 GBP
Retailer 14£660 GBP
Retailer 10£821 GBP
Retailer 11£956 GBP
Do Amore Diamonds£1,437 GBP

27 data points across 17 retailers

13 retailers£150 GBP to £1,437 GBP

A
Cheapest Retailer
-
£150 GBP
A
Retailer 2
-
£174 GBP
View
A
Retailer 3
-
£222 GBP
View
B+
Retailer 4
-
£250 GBP
View
A
Retailer 5
-
£267 GBP
View
B+
Retailer 6
-
£331 GBP
View
Retailer 7
-
£479 GBP
View
Price last confirmed 57 days ago
Retailer 8
-
£519 GBP
View
Price last confirmed 9 days ago
B
Retailer 9
-
£600 GBP
View
B
Retailer 10
-
£660 GBP
View
B
Retailer 11
-
£821 GBP
View
B
Retailer 12
-
£956 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0CCF4194E · Nov 2
£1,437 GBP
$1,940 USD
View
12 more retailers have this diamond
Prices start from £150 GBPSave up to £1,287 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
£150 GBP