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Radiant|Lab Grown|IGI

1.44ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG566310413

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

Certificate IGI LG566310413

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 27, 2026
Save £1,096 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,224 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.44ct lab-grown radiant diamond

This 1.44ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG566310413 or 566310413. Listed at 10 retailers as of October 27, 2026, with prices from £128 to £1,224, a £1,096 spread on the same certified stone. Do Amore Diamonds lists it at £1,224. 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

1.44
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566310413
Dimensions8.08 × 5.61 × 3.82 mm
L/W Ratio1.44
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
8.08 mm5.61 mm1.44 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566310413
Side View
Table 63.5%Crown 41.2°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.1%

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: £1,224 GBP|Low: £104 GBP|High: £1,224 GBP|Avg: £471 GBP
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
October 29, 2026
Retailer 7£128 GBP
Retailer 12£143 GBP
Retailer 11£149 GBP
Retailer 2£228 GBP
Retailer 10£283 GBP
Retailer 3£434 GBP
Retailer 6£538 GBP
Retailer 8£556 GBP
Retailer 9£562 GBP
Retailer 4£569 GBP
Retailer 5£819 GBP
Do Amore Diamonds£1,224 GBP

35 data points across 12 retailers

10 retailers£128 GBP to £1,224 GBP

A
Cheapest Retailer
-
£128 GBP
$171 USD
A
Retailer 2
-
£143 GBP
$192 USD
View
Final sale: no returns
A
Retailer 3
-
£149 GBP
$199 USD
View
A
Retailer 4
-
£228 GBP
View
B+
Retailer 5
-
£283 GBP
$379 USD
View
B
Retailer 6
-
£538 GBP
$721 USD
View
Retailer 7
-
£556 GBP
$745 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
£562 GBP
$753 USD
View
B
Retailer 9
-
£819 GBP
View
Most Expensive
B
Do Amore Diamonds
27-12A343768 · Oct 29
£1,224 GBP
$1,640 USD
View
9 more retailers have this diamond
Prices start from £128 GBPSave up to £1,096 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
1.44ct Radiant
£128 GBP