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Radiant|Lab Grown|IGI

3.29ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG846691023

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

Certificate IGI LG846691023

Diamond specifications and retailer prices

From £1,099 GBP
$1,463 USD
As of October 26, 2026
Save £1,807 GBP (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,905 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.29ct lab-grown radiant diamond

This 3.29ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846691023 or 846691023. Listed at 9 retailers as of October 26, 2026, with prices from £1,099 to £2,905, a £1,807 spread on the same certified stone. With Clarity lists it at £2,905. 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

3.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846691023
Dimensions11.03 × 7.07 × 4.78 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.03 mm7.07 mm3.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846691023
Side View
Table 66.0%Crown 44°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 67.6%

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: Oct 26
Current: £1,244 GBP|Low: £1,099 GBP|High: £3,034 GBP|Avg: £2,153 GBP|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 30, 2026
Retailer 8£1,099 GBP
Retailer 7£1,180 GBP
Retailer 1£1,244 GBP
Retailer 4£1,875 GBP
Retailer 6£2,423 GBP
Retailer 2£2,543 GBP
Retailer 5£2,752 GBP
Retailer 3£2,776 GBP
With Clarity£2,905 GBP

6 data points across 9 retailers

9 retailers£1,099 GBP to £2,905 GBP

A
Cheapest Retailer
-
£1,099 GBP
$1,463 USD
A
Retailer 2
-
£1,180 GBP
$1,572 USD
View
A
Retailer 3
-
£1,244 GBP
View
A
Retailer 4
-
£1,875 GBP
ZAR 40,327 ZAR
View
A
Retailer 5
-
£2,423 GBP
$3,227 USD
View
A
Retailer 6
-
£2,543 GBP
$3,387 USD
View
B+
Retailer 7
-
£2,752 GBP
View
B+
Retailer 8
-
£2,776 GBP
$3,697 USD
View
Most Expensive
B+
With Clarity
846691023 · Oct 30
£2,905 GBP
$3,869 USD
View
8 more retailers have this diamond
Prices start from £1,099 GBPSave up to £1,807 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
3.29ct Radiant
£1,099 GBP