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Radiant|Lab Grown|IGI

1.53ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG743593955

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

Certificate IGI LG743593955

Diamond specifications and retailer prices

From £219 GBP
$294 USD
As of October 30, 2026
Save £1,923 GBP (90%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £2,142 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743593955 or 743593955. Listed at 31 retailers as of October 30, 2026, with prices from £219 to £2,142, a £1,923 spread on the same certified stone. Brilliant Earth lists it at £2,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593955
Dimensions5.68 × 5.68 × 3.68 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.68 mm5.68 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593955
Side View
Table 64.0%Crown 42.4°Girdle: Slightly ThickPavilion 32.3°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,142 GBP|Low: £219 GBP|High: £2,470 GBP|Avg: £801 GBP|-13.3%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 8£219 GBP
Retailer 11£262 GBP
Retailer 17£270 GBP
Retailer 18£285 GBP
Retailer 25£319 GBP
Retailer 5£388 GBP
Retailer 22£401 GBP
Retailer 9£424 GBP
Retailer 12£466 GBP
Retailer 2£487 GBP
Retailer 21£516 GBP
Retailer 13£536 GBP
Retailer 10£602 GBP
Retailer 14£678 GBP
Retailer 20£700 GBP
Retailer 3£835 GBP
Retailer 16£1,026 GBP
Retailer 4£1,046 GBP
Retailer 15£1,085 GBP
Retailer 7£1,111 GBP
Retailer 23£1,209 GBP
Retailer 19£1,233 GBP
Retailer 24£1,832 GBP
Retailer 6£1,948 GBP
Brilliant Earth£2,142 GBP

39 data points across 25 retailers

31 retailers£219 GBP to £2,142 GBP

A
Cheapest Retailer
-
£219 GBP
$294 USD
Retailer 2
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£219 GBP
$294 USD
View
Price last confirmed 23 days ago
Retailer 3
-
£233 GBP
$312 USD
View
Price last confirmed 31 days ago
A
Retailer 4
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£262 GBP
$351 USD
View
Final sale: no returns
Retailer 5
-
£270 GBP
$362 USD
View
Price last confirmed 34 days ago
Retailer 6
-
£272 GBP
$364 USD
View
Price last confirmed 28 days ago
Retailer 7
-
£285 GBP
$382 USD
View
Price last confirmed 32 days ago
Retailer 8
-
£319 GBP
View
Price last confirmed 14 days ago
A
Retailer 9
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£388 GBP
$520 USD
View
A
Retailer 10
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£401 GBP
HK$4,200 HKD
View
A
Retailer 11
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£424 GBP
$568 USD
View
A
Retailer 12
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£466 GBP
$625 USD
View
A
Retailer 13
-
£487 GBP
€622 EUR
View
A
Retailer 14
-
£516 GBP
ZAR 11,165 ZAR
View
Retailer 15
-
£530 GBP
View
Price last confirmed 16 days ago
A
Retailer 16
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£536 GBP
View
A
Retailer 17
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£602 GBP
$807 USD
View
A
Retailer 18
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£678 GBP
$909 USD
View
A
Retailer 19
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£700 GBP
A$1,442 AUD
View
B+
Retailer 20
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£835 GBP
$1,119 USD
View
Retailer 21
-
£965 GBP
$1,293 USD
View
Price last confirmed 21 days ago
B+
Retailer 22
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£965 GBP
$1,293 USD
View
Retailer 23
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£1,026 GBP
$1,375 USD
View
Price last confirmed 31 days ago
B+
Retailer 24
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£1,046 GBP
$1,401 USD
View
B+
Retailer 25
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£1,085 GBP
$1,454 USD
View
B+
Retailer 26
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£1,111 GBP
$1,489 USD
View
B+
Retailer 27
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£1,209 GBP
View
B+
Retailer 28
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£1,233 GBP
A$2,541 AUD
View
B
Retailer 29
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£1,832 GBP
$2,455 USD
View
B
Retailer 30
-
£1,948 GBP
$2,610 USD
View
Most Expensive
B
Brilliant Earth
17456807Y · Oct 30
£2,142 GBP
$2,870 USD
View
30 more retailers have this diamond
Prices start from £219 GBPSave up to £1,923 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
1.53ct Radiant
£219 GBP