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Round|Lab Grown|IGI

2.21ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG436074706

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074706

Diamond specifications and retailer prices

From £896 GBP
$1,200 USD
As of October 30, 2026
Save £5,232 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,128 GBP at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074706 or 436074706. Listed at 10 retailers as of October 29, 2026, with prices from £896 to £6,128, a £5,232 spread on the same certified stone. MOH London lists it at £6,128. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.21
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074706
Dimensions8.25 × 8.29 × 5.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.25 mm8.29 mm2.21 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074706
Side View
Table 56.5%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

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 30
Current: £6,128 GBP|Low: £896 GBP|High: £6,177 GBP|Avg: £3,299 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2£896 GBP
Retailer 5£2,135 GBP
Retailer 6£2,199 GBP
Retailer 7£2,767 GBP
Retailer 3£3,341 GBP
Retailer 4£3,546 GBP
Retailer 8£5,096 GBP
MOH London£6,128 GBP

15 data points across 8 retailers

10 retailers£896 GBP to £6,128 GBP

A
Cheapest Retailer
-
£896 GBP
$1,200 USD
B+
Retailer 2
-
£1,963 GBP
$2,630 USD
View
B+
Retailer 3
-
£2,135 GBP
$2,861 USD
View
B+
Retailer 4
-
£2,199 GBP
$2,946 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,276 GBP
$3,050 USD
View
Retailer 6
-
£2,276 GBP
$3,050 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£3,129 GBP
$4,193 USD
View
B
Retailer 8
-
£3,341 GBP
$4,476 USD
View
B
Retailer 9
-
£3,546 GBP
$4,751 USD
View
Most Expensive
B
MOH London
LG436074706 · Oct 29
£6,128 GBP
View
9 more retailers have this diamond
Prices start from £896 GBPSave up to £5,232 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
£896 GBP