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Radiant|Lab Grown|IGI

3.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG821662154

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

Certificate IGI LG821662154

Diamond specifications and retailer prices

From £915 GBP
$1,219 USD
As of October 29, 2026
Save £2,321 GBP (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,236 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.23ct lab-grown radiant diamond

This 3.23ct 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 LG821662154 or 821662154. Listed at 18 retailers as of October 29, 2026, with prices from £915 to £3,236, a £2,321 spread on the same certified stone. Taylor and Hart lists it at £3,236. 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

3.23
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821662154
Dimensions10.16 × 7.26 × 4.90 mm
L/W Ratio1.40
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
10.16 mm7.26 mm3.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821662154
Side View
Table 61.0%Crown 21.4°Girdle: ThickPavilion 34.7°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: Oct 29
Current: £2,755 GBP|Low: £797 GBP|High: £3,291 GBP|Avg: £1,988 GBP|-1.4%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 3£831 GBP
Retailer 12£915 GBP
Retailer 5£965 GBP
Retailer 10£1,081 GBP
Retailer 7£1,375 GBP
Retailer 13£1,512 GBP
Retailer 8£1,618 GBP
Retailer 4£1,957 GBP
Retailer 14£2,176 GBP
Retailer 9£2,204 GBP
Retailer 6£2,598 GBP
Retailer 11£2,748 GBP
Retailer 1£2,755 GBP
Retailer 2£3,096 GBP
Taylor and Hart£3,236 GBP

42 data points across 15 retailers

18 retailers£915 GBP to £3,236 GBP

Retailer 1
-
£831 GBP
$1,107 USD
Price last confirmed 11 days ago
A
Retailer 2
-
£915 GBP
$1,219 USD
View
Final sale: no returns
Retailer 3
-
£950 GBP
$1,265 USD
View
Price last confirmed 35 days ago
Retailer 4
-
£965 GBP
$1,285 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£965 GBP
$1,285 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£1,081 GBP
$1,440 USD
View
A
Retailer 7
-
£1,375 GBP
View
A
Retailer 8
-
£1,512 GBP
$2,013 USD
View
B+
Retailer 9
-
£1,618 GBP
$2,154 USD
View
Retailer 10
-
£1,808 GBP
$2,408 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
£1,957 GBP
$2,606 USD
View
Retailer 12
-
£2,176 GBP
A$4,459 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£2,204 GBP
ZAR 47,410 ZAR
View
Retailer 14
-
£2,598 GBP
View
Price last confirmed 10 days ago
B
Retailer 15
-
£2,748 GBP
$3,660 USD
View
B
Retailer 16
-
£2,755 GBP
$3,669 USD
View
Retailer 17
-
£3,096 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Taylor and Hart
FR3UW25 · Oct 30
£3,236 GBP
$4,309 USD
View
17 more retailers have this diamond
Prices start from £915 GBPSave up to £2,321 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
3.23ct Radiant
£915 GBP