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Radiant|Lab Grown|IGI

1.82ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG534249466

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

Certificate IGI LG534249466

Diamond specifications and retailer prices

From £143 GBP
$192 USD
As of October 27, 2026
Save £1,228 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,371 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.82ct lab-grown radiant diamond

This 1.82ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG534249466 or 534249466. Listed at 11 retailers as of October 27, 2026, with prices from £143 to £1,371, a £1,228 spread on the same certified stone. Do Amore Diamonds lists it at £1,371. 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

1.82
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534249466
Dimensions8.37 × 5.93 × 4.06 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.37 mm5.93 mm1.82 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534249466
Side View
Table 67.5%Crown 39.9°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 68.5%

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 27
Current: £1,371 GBP|Low: £143 GBP|High: £1,431 GBP|Avg: £611 GBP|-4.2%
Do Amore Diamonds
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
October 25, 2026
Retailer 9£143 GBP
Retailer 7£166 GBP
Retailer 14£167 GBP
Retailer 11£311 GBP
Retailer 3£385 GBP
Retailer 6£471 GBP
Retailer 4£552 GBP
Retailer 8£573 GBP
Retailer 12£616 GBP
Retailer 10£630 GBP
Retailer 2£786 GBP
Retailer 5£857 GBP
Retailer 13£999 GBP
Do Amore Diamonds£1,371 GBP

20 data points across 14 retailers

11 retailers£143 GBP to £1,371 GBP

A
Cheapest Retailer
-
£143 GBP
$192 USD
A
Retailer 2
-
£166 GBP
$223 USD
View
A
Retailer 3
-
£167 GBP
$224 USD
View
Final sale: no returns
B+
Retailer 4
-
£311 GBP
$417 USD
View
Retailer 5
-
£573 GBP
$769 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£616 GBP
$827 USD
View
B+
Retailer 7
-
£630 GBP
$846 USD
View
Retailer 8
-
£786 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£860 GBP
View
B
Retailer 10
-
£999 GBP
$1,340 USD
View
Most Expensive
B
Do Amore Diamonds
27-1068B99B4 · Oct 30
£1,371 GBP
$1,840 USD
View
10 more retailers have this diamond
Prices start from £143 GBPSave up to £1,228 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
1.82ct Radiant
£143 GBP