Radiant|Lab Grown|IGI

1.01ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG843636154

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

Certificate IGI LG843636154

Diamond specifications and retailer prices

From £147 GBP
$197 USD
As of October 30, 2026
Save £710 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £857 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843636154 or 843636154. Listed at 20 retailers as of October 30, 2026, with prices from £147 to £857, a £710 spread on the same certified stone. Michael Trio lists it at £857. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843636154
Dimensions7.68 × 4.85 × 3.09 mm
L/W Ratio1.58
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.68 mm4.85 mm1.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843636154
Side View
Table 68.0%Crown 44.3°Girdle: MediumPavilion 37.4°Culet: NoneDepth 63.7%

Caratlytics Score

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A+
Exceptional
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: £857 GBP|Low: £147 GBP|High: £891 GBP|Avg: £427 GBP|-2.1%
Michael Trio
Retailer 2
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November 1, 2026
Retailer 8£147 GBP
Retailer 13£164 GBP
Retailer 4£170 GBP
Retailer 17£182 GBP
Retailer 12£186 GBP
Retailer 15£187 GBP
Retailer 7£246 GBP
Retailer 3£298 GBP
Retailer 2£314 GBP
Retailer 16£332 GBP
Retailer 9£409 GBP
Retailer 18£415 GBP
Retailer 10£452 GBP
Retailer 19£584 GBP
Retailer 6£589 GBP
Retailer 20£615 GBP
Retailer 5£625 GBP
Retailer 11£731 GBP
Retailer 14£850 GBP
Michael Trio£857 GBP

12 data points across 20 retailers

20 retailers£147 GBP to £857 GBP

A+
Cheapest Retailer
-
£147 GBP
$197 USD
A
Retailer 2
-
£164 GBP
$220 USD
View
Final sale: no returns
A
Retailer 3
-
£170 GBP
$228 USD
View
A
Retailer 4
-
£182 GBP
$244 USD
View
Retailer 5
-
£186 GBP
$249 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£187 GBP
View
A
Retailer 7
-
£246 GBP
$330 USD
View
A
Retailer 8
-
£298 GBP
€380 EUR
View
A
Retailer 9
-
£314 GBP
ZAR 6,797 ZAR
View
A
Retailer 10
-
£332 GBP
View
A
Retailer 11
-
£409 GBP
$548 USD
View
A
Retailer 12
-
£415 GBP
$556 USD
View
B+
Retailer 13
-
£452 GBP
A$931 AUD
View
B+
Retailer 14
-
£584 GBP
$783 USD
View
B+
Retailer 15
-
£589 GBP
$789 USD
View
B+
Retailer 16
-
£615 GBP
$824 USD
View
B+
Retailer 17
-
£625 GBP
$837 USD
View
Retailer 18
-
£731 GBP
A$1,507 AUD
View
Price last confirmed 8 days ago
B
Retailer 19
-
£850 GBP
View
Most Expensive
B+
Michael Trio
1407013869 · Oct 31
£857 GBP
SGD 1,552 SGD
View
19 more retailers have this diamond
Prices start from £147 GBPSave up to £710 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+
1.01ct Radiant
£147 GBP