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Radiant|Lab Grown|IGI

6.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG733540101

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

Certificate IGI LG733540101

Diamond specifications and retailer prices

From £628 GBP
$841 USD
As of November 2, 2026
Save £4,940 GBP (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,568 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 6.21ct lab-grown radiant diamond

This 6.21ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG733540101 or 733540101. Listed at 12 retailers as of November 2, 2026, with prices from £628 to £5,568, a £4,940 spread on the same certified stone. Do Amore Diamonds lists it at £5,568. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733540101
Dimensions13.02 × 9.12 × 6.04 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.02 mm9.12 mm6.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733540101
Side View
Table 66.0%Crown 45.9°Girdle: MediumPavilion 35.3°Culet: NoneDepth 66.2%

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: Nov 2
Current: £5,568 GBP|Low: £628 GBP|High: £6,135 GBP|Avg: £2,024 GBP|-9.2%
Do Amore Diamonds
Retailer 2
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Retailer 18
November 2, 2026
Retailer 16£628 GBP
Retailer 13£683 GBP
Retailer 2£860 GBP
Retailer 7£1,066 GBP
Retailer 8£1,146 GBP
Retailer 18£1,170 GBP
Retailer 12£1,172 GBP
Retailer 6£1,261 GBP
Retailer 11£1,488 GBP
Retailer 14£1,673 GBP
Retailer 9£1,968 GBP
Retailer 3£2,104 GBP
Retailer 17£2,258 GBP
Retailer 5£2,435 GBP
Retailer 15£2,738 GBP
Retailer 10£3,122 GBP
Retailer 4£3,993 GBP
Do Amore Diamonds£5,568 GBP

38 data points across 18 retailers

12 retailers£628 GBP to £5,568 GBP

A
Cheapest Retailer
-
£628 GBP
$841 USD
A
Retailer 2
-
£683 GBP
$915 USD
View
A
Retailer 3
-
£860 GBP
View
B+
Retailer 4
-
£1,170 GBP
$1,568 USD
View
B+
Retailer 5
-
£1,172 GBP
$1,570 USD
View
B+
Retailer 6
-
£1,488 GBP
A$3,068 AUD
View
B+
Retailer 7
-
£1,673 GBP
$2,241 USD
View
B+
Retailer 8
-
£2,104 GBP
$2,819 USD
View
B+
Retailer 9
-
£2,258 GBP
$3,026 USD
View
B+
Retailer 10
-
£2,738 GBP
View
B
Retailer 11
-
£3,993 GBP
$5,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-2043AE9EB · Nov 2
£5,568 GBP
$7,460 USD
View
11 more retailers have this diamond
Prices start from £628 GBPSave up to £4,940 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
6.21ct Radiant
£628 GBP