Round|Lab Grown|IGI

2.10ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG618450222

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618450222

Diamond specifications and retailer prices

From £383 GBP
As of November 4, 2026
Save £687 GBP (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,107 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.1ct lab-grown round diamond

This 2.1ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618450222 or 618450222. Listed at 14 retailers as of November 4, 2026, with a 180% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.10
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618450222
Dimensions8.25 × 8.23 × 5.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
8.25 mm8.23 mm2.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618450222
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,107 GBP|Low: £230 GBP|High: £1,181 GBP|Avg: £581 GBP|-6.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4£230 GBP
Retailer 7£383 GBP
Retailer 8£400 GBP
Retailer 10£404 GBP
Retailer 3£439 GBP
Retailer 5£467 GBP
Retailer 12£472 GBP
Retailer 11£534 GBP
Retailer 6£802 GBP
Retailer 9£822 GBP
Retailer 2£1,070 GBP
Brilliant Earth£1,107 GBP

37 data points across 12 retailers

14 retailers£383 GBP to £1,070 GBP

Retailer 1
-
£185 GBP
Price last confirmed 45 days ago
Retailer 2
-
£215 GBP
View
Price last confirmed 45 days ago
Retailer 3
-
£227 GBP
View
Price last confirmed 40 days ago
A
Retailer 4
-
£383 GBP
View
A
Retailer 5
-
£400 GBP
View
B+
Retailer 6
-
£439 GBP
View
B+
Retailer 7
-
£467 GBP
View
A
Retailer 8
-
£472 GBP
View
B+
Retailer 9
-
£534 GBP
View
Retailer 10
-
£739 GBP
View
Price last confirmed 41 days ago
B+
Retailer 11
-
£802 GBP
View
B
Retailer 12
-
£822 GBP
View
B
Retailer 13
-
£1,070 GBP
View
Most Expensive
Brilliant Earth
9016762A · Oct 28
£1,107 GBP
$1,490 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from £383 GBPSave up to £687 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
2.10ct Round
£383 GBP