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Round|Lab Grown|IGI

1.52ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG684510509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG684510509

Diamond specifications and retailer prices

From £290 GBP
As of November 3, 2026
Save £1,112 GBP (79%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £2,267 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round 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 LG684510509 or 684510509. Listed at 26 retailers as of November 1, 2026, with a 384% 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684510509
Dimensions7.31 × 7.37 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.31 mm7.37 mm1.52 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684510509
Side View
Table 54.0%Crown 35.7°Girdle: MediumPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

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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: Nov 3
Current: £2,267 GBP|Low: £279 GBP|High: £2,267 GBP|Avg: £785 GBP
Brilliant Earth
Retailer 2
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November 4, 2026
Retailer 7£290 GBP
Retailer 12£324 GBP
Retailer 23£324 GBP
Retailer 5£359 GBP
Retailer 22£359 GBP
Retailer 3£398 GBP
Retailer 2£458 GBP
Retailer 17£467 GBP
Retailer 11£481 GBP
Retailer 10£539 GBP
Retailer 18£567 GBP
Retailer 13£580 GBP
Retailer 19£619 GBP
Retailer 8£739 GBP
Retailer 21£832 GBP
Retailer 4£860 GBP
Retailer 15£1,141 GBP
Retailer 6£1,153 GBP
Retailer 9£1,180 GBP
Retailer 14£1,334 GBP
Retailer 16£1,343 GBP
Retailer 20£1,401 GBP
Brilliant Earth£2,267 GBP

26 data points across 23 retailers

26 retailers£290 GBP to £1,401 GBP

A
Cheapest Retailer
-
£290 GBP
A
Retailer 2
-
£324 GBP
View
Final sale: no returns
A
Retailer 3
-
£324 GBP
View
A
Retailer 4
-
£359 GBP
View
Retailer 5
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£359 GBP
View
Price last confirmed 19 days ago
Retailer 6
-
£359 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
£398 GBP
View
A
Retailer 8
-
£458 GBP
View
A
Retailer 9
-
£467 GBP
View
A
Retailer 10
-
£481 GBP
View
A
Retailer 11
-
£539 GBP
View
A
Retailer 12
-
£567 GBP
View
A
Retailer 13
-
£580 GBP
View
A
Retailer 14
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£619 GBP
View
A
Retailer 15
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£739 GBP
View
B+
Retailer 16
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£832 GBP
View
B+
Retailer 17
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£847 GBP
View
Retailer 18
-
£860 GBP
View
Price last confirmed 7 days ago
B+
Retailer 19
-
£1,141 GBP
View
B+
Retailer 20
-
£1,153 GBP
View
B+
Retailer 21
-
£1,180 GBP
View
B+
Retailer 22
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£1,256 GBP
View
B
Retailer 23
-
£1,334 GBP
View
B+
Retailer 24
-
£1,343 GBP
View
B
Retailer 25
-
£1,401 GBP
View
Most Expensive
Brilliant Earth
14071219A · Oct 16
£2,267 GBP
$3,060 USD
View
Price last confirmed 19 days ago
25 more retailers have this diamond
Prices start from £290 GBPSave up to £1,112 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 Round
£290 GBP