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Round|Lab Grown|IGI

2.21ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729515575

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729515575

Diamond specifications and retailer prices

From £290 GBP
$388 USD
As of October 29, 2026
Save £1,116 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,406 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 2.21ct lab-grown round diamond

This 2.21ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729515575 or 729515575. Listed at 19 retailers as of October 26, 2026, with prices from £290 to £1,406, a £1,116 spread on the same certified stone. MOH London lists it at £1,406. 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

2.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729515575
Dimensions8.34 × 8.41 × 5.17 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.34 mm8.41 mm2.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729515575
Side View
Table 58.0%Crown 35.6°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 61.7%

Caratlytics Score

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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: £1,406 GBP|Low: £290 GBP|High: £2,311 GBP|Avg: £861 GBP|-39.2%
MOH London
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Retailer 19
October 31, 2026
Retailer 11£290 GBP
Retailer 8£324 GBP
Retailer 7£325 GBP
Retailer 4£359 GBP
Retailer 17£359 GBP
Retailer 13£401 GBP
Retailer 2£470 GBP
Retailer 16£494 GBP
Retailer 3£562 GBP
Retailer 12£644 GBP
Retailer 14£795 GBP
Retailer 15£867 GBP
Retailer 6£992 GBP
Retailer 18£1,008 GBP
Retailer 19£1,155 GBP
Retailer 10£1,183 GBP
Retailer 5£1,339 GBP
Retailer 9£1,346 GBP
MOH London£1,406 GBP

33 data points across 19 retailers

19 retailers£290 GBP to £1,406 GBP

A
Cheapest Retailer
-
£290 GBP
$388 USD
A
Retailer 2
-
£324 GBP
$434 USD
View
Final sale: no returns
A
Retailer 3
-
£325 GBP
$435 USD
View
A
Retailer 4
-
£359 GBP
$481 USD
View
A
Retailer 5
-
£359 GBP
$481 USD
View
A
Retailer 6
-
£401 GBP
View
A
Retailer 7
-
£470 GBP
$630 USD
View
B+
Retailer 8
-
£494 GBP
$662 USD
View
A
Retailer 9
-
£562 GBP
$753 USD
View
A
Retailer 10
-
£644 GBP
View
A
Retailer 11
-
£795 GBP
A$1,639 AUD
View
A
Retailer 12
-
£867 GBP
ZAR 18,761 ZAR
View
A
Retailer 13
-
£992 GBP
$1,329 USD
View
A
Retailer 14
-
£1,008 GBP
$1,351 USD
View
A
Retailer 15
-
£1,155 GBP
$1,548 USD
View
B+
Retailer 16
-
£1,183 GBP
$1,585 USD
View
B+
Retailer 17
-
£1,339 GBP
$1,794 USD
View
B+
Retailer 18
-
£1,346 GBP
$1,803 USD
View
Most Expensive
B+
MOH London
LG729515575 · Oct 26
£1,406 GBP
View
18 more retailers have this diamond
Prices start from £290 GBPSave up to £1,116 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
2.21ct Round
£290 GBP