Radiant|Lab Grown|IGI

3.21ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG844656560

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

Certificate IGI LG844656560

Diamond specifications and retailer prices

From £456 GBP
$607 USD
As of October 27, 2026
Save £3,021 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,477 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.21ct lab-grown radiant diamond

This 3.21ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844656560 or 844656560. Listed at 22 retailers as of October 27, 2026, with prices from £456 to £3,477, a £3,021 spread on the same certified stone. Brilliant Earth lists it at £3,477. 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

3.21
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844656560
Dimensions10.53 × 7.08 × 4.85 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm7.08 mm3.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844656560
Side View
Table 66.0%Crown 46°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 68.5%

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: Oct 27
Current: £878 GBP|Low: £456 GBP|High: £2,457 GBP|Avg: £1,161 GBP|-0.9%
Retailer 1
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Retailer 20
October 29, 2026
Retailer 20£456 GBP
Retailer 17£508 GBP
Retailer 9£511 GBP
Retailer 4£565 GBP
Retailer 13£641 GBP
Retailer 19£661 GBP
Retailer 2£758 GBP
Retailer 10£825 GBP
Retailer 7£830 GBP
Retailer 1£878 GBP
Retailer 14£1,223 GBP
Retailer 11£1,239 GBP
Retailer 3£1,403 GBP
Retailer 8£1,479 GBP
Retailer 5£1,487 GBP
Retailer 15£1,716 GBP
Retailer 12£1,778 GBP
Retailer 18£1,820 GBP
Retailer 16£1,864 GBP
Retailer 6£2,457 GBP

12 data points across 20 retailers

22 retailers£456 GBP to £3,477 GBP

A
Cheapest Retailer
-
£456 GBP
$607 USD
A
Retailer 2
-
£508 GBP
$676 USD
View
Final sale: no returns
A
Retailer 3
-
£511 GBP
$680 USD
View
A
Retailer 4
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£565 GBP
$753 USD
View
Retailer 5
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£641 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
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£661 GBP
$880 USD
View
A
Retailer 7
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£758 GBP
$1,010 USD
View
A
Retailer 8
-
£825 GBP
€1,046 EUR
View
A
Retailer 9
-
£830 GBP
$1,105 USD
View
A
Retailer 10
-
£878 GBP
View
A
Retailer 11
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£1,223 GBP
ZAR 26,305 ZAR
View
Retailer 12
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£1,239 GBP
A$2,539 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
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£1,403 GBP
$1,868 USD
View
A
Retailer 14
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£1,479 GBP
$1,970 USD
View
A
Retailer 15
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£1,487 GBP
$1,980 USD
View
B+
Retailer 16
-
£1,716 GBP
$2,285 USD
View
B+
Retailer 17
-
£1,778 GBP
SGD 3,199 SGD
View
B+
Retailer 18
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£1,820 GBP
$2,424 USD
View
B+
Retailer 19
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£1,864 GBP
$2,482 USD
View
B
Retailer 20
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£2,457 GBP
View
B
Retailer 21
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£2,831 GBP
$3,770 USD
View
Most Expensive
B
Brilliant Earth
22289731A · Oct 29
£3,477 GBP
$4,630 USD
View
21 more retailers have this diamond
Prices start from £456 GBPSave up to £3,021 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
3.21ct Radiant
£456 GBP