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Radiant|Lab Grown|IGI

0.72ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG12665403

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

Certificate IGI LG12665403

Diamond specifications and retailer prices

From £113 GBP
$151 USD
As of October 30, 2026
Save £975 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,089 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.72ct lab-grown radiant diamond

This 0.72ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12665403 or 12665403. Listed at 10 retailers as of October 29, 2026, with prices from £113 to £1,089, a £975 spread on the same certified stone. Do Amore Diamonds lists it at £1,089. 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

0.72
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12665403
Dimensions6.43 × 4.42 × 2.92 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.43 mm4.42 mm0.72 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12665403
Side View
Table 68.0%Crown 42°Girdle: STK-THKPavilion 31°Culet: NoneDepth 66.1%

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 30
Current: £1,089 GBP|Low: £91 GBP|High: £1,089 GBP|Avg: £397 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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October 29, 2026
Retailer 10£113 GBP
Retailer 16£128 GBP
Retailer 13£132 GBP
Retailer 4£182 GBP
Retailer 5£196 GBP
Retailer 3£201 GBP
Retailer 12£258 GBP
Retailer 6£315 GBP
Retailer 7£386 GBP
Retailer 15£455 GBP
Retailer 9£479 GBP
Retailer 11£500 GBP
Retailer 8£503 GBP
Retailer 14£593 GBP
Retailer 2£731 GBP
Do Amore Diamonds£1,089 GBP

15 data points across 16 retailers

10 retailers£113 GBP to £1,089 GBP

A
Cheapest Retailer
-
£113 GBP
$151 USD
A
Retailer 2
-
£128 GBP
$170 USD
View
Final sale: no returns
A
Retailer 3
-
£132 GBP
$176 USD
View
B+
Retailer 4
-
£258 GBP
$344 USD
View
B+
Retailer 5
-
£387 GBP
View
B
Retailer 6
-
£479 GBP
$638 USD
View
B
Retailer 7
-
£500 GBP
$666 USD
View
B
Retailer 8
-
£593 GBP
$790 USD
View
B
Retailer 9
-
£731 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0B68B676E · Oct 29
£1,089 GBP
$1,450 USD
View
9 more retailers have this diamond
Prices start from £113 GBPSave up to £975 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
0.72ct Radiant
£113 GBP