Radiant|Lab Grown|IGI

1.52ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG778695330

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

Certificate IGI LG778695330

Diamond specifications and retailer prices

From £195 GBP
$261 USD
As of October 30, 2026
Save £798 GBP (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,202 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778695330 or 778695330. Listed at 23 retailers as of October 30, 2026, with a 410% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778695330
Dimensions7.80 × 5.80 × 3.92 mm
L/W Ratio1.34
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
7.80 mm5.80 mm1.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778695330
Side View
Table 61.0%Crown 44.2°Girdle: MediumPavilion 36°Culet: NoneDepth 67.6%

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: £2,135 GBP|Low: £187 GBP|High: £2,135 GBP|Avg: £584 GBP
Brilliant Earth
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November 1, 2026
Retailer 4£195 GBP
Retailer 14£217 GBP
Retailer 12£226 GBP
Retailer 5£242 GBP
Retailer 10£242 GBP
Retailer 20£362 GBP
Retailer 15£391 GBP
Retailer 7£402 GBP
Retailer 16£415 GBP
Retailer 9£438 GBP
Retailer 13£462 GBP
Retailer 17£562 GBP
Retailer 19£607 GBP
Retailer 8£757 GBP
Retailer 21£777 GBP
Retailer 6£777 GBP
Retailer 11£815 GBP
Retailer 18£879 GBP
Retailer 2£969 GBP
Retailer 3£993 GBP
Brilliant Earth£2,135 GBP

37 data points across 21 retailers

23 retailers£195 GBP to £993 GBP

A
Cheapest Retailer
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£195 GBP
$261 USD
A
Retailer 2
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£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
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£226 GBP
$303 USD
View
A
Retailer 4
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£242 GBP
$324 USD
View
A
Retailer 5
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£242 GBP
$324 USD
View
A
Retailer 6
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£362 GBP
$485 USD
View
A
Retailer 7
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£391 GBP
€499 EUR
View
A
Retailer 8
-
£402 GBP
$539 USD
View
A
Retailer 9
-
£415 GBP
ZAR 8,991 ZAR
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A
Retailer 10
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£438 GBP
$587 USD
View
A
Retailer 11
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£462 GBP
View
A
Retailer 12
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£562 GBP
A$1,159 AUD
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A
Retailer 13
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£607 GBP
$813 USD
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A
Retailer 14
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£757 GBP
$1,014 USD
View
A
Retailer 15
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£777 GBP
SGD 1,406 SGD
View
B+
Retailer 16
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£777 GBP
$1,041 USD
View
B+
Retailer 17
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£815 GBP
$1,093 USD
View
B+
Retailer 18
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£862 GBP
$1,155 USD
View
B+
Retailer 19
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£879 GBP
$1,178 USD
View
B+
Retailer 20
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£969 GBP
View
B+
Retailer 21
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£993 GBP
$1,330 USD
View
Retailer 22
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£2,135 GBP
$2,860 USD
View
Price last confirmed 16 days ago
Most Expensive
Brilliant Earth
18480067A · Sep 28
£2,202 GBP
$2,950 USD
View
Price last confirmed 33 days ago
22 more retailers have this diamond
Prices start from £195 GBPSave up to £798 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
1.52ct Radiant
£195 GBP