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Round|Lab Grown|IGI

1.52ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG778613718

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778613718

Diamond specifications and retailer prices

From £249 GBP
As of November 3, 2026
Save £1,840 GBP (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,089 GBP at Brilliant Earth · As of November 3, 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 LG778613718 or 778613718. Listed at 24 retailers as of November 3, 2026, with prices from £249 to £2,089, a £1,840 spread on the same certified stone. Brilliant Earth lists it at £2,089. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778613718
Dimensions7.35 × 7.40 × 4.53 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
7.35 mm7.40 mm1.52 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778613718
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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: £2,089 GBP|Low: £239 GBP|High: £3,282 GBP|Avg: £826 GBP|-36.3%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
November 4, 2026
Retailer 5£249 GBP
Retailer 7£279 GBP
Retailer 10£309 GBP
Retailer 18£397 GBP
Retailer 4£415 GBP
Retailer 17£422 GBP
Retailer 12£480 GBP
Retailer 13£533 GBP
Retailer 11£547 GBP
Retailer 16£547 GBP
Retailer 15£721 GBP
Retailer 2£726 GBP
Retailer 6£1,167 GBP
Retailer 8£1,206 GBP
Retailer 14£1,238 GBP
Retailer 9£1,281 GBP
Retailer 3£1,719 GBP
Brilliant Earth£2,089 GBP

35 data points across 18 retailers

24 retailers£249 GBP to £2,089 GBP

A
Cheapest Retailer
-
£249 GBP
A
Retailer 2
-
£279 GBP
View
Final sale: no returns
A
Retailer 3
-
£289 GBP
View
Retailer 4
-
£309 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£309 GBP
View
A
Retailer 6
-
£415 GBP
View
A
Retailer 7
-
£422 GBP
View
A
Retailer 8
-
£480 GBP
View
A
Retailer 9
-
£533 GBP
View
A
Retailer 10
-
£547 GBP
View
A
Retailer 11
-
£547 GBP
View
A
Retailer 12
-
£555 GBP
View
B+
Retailer 13
-
£721 GBP
View
B+
Retailer 14
-
£724 GBP
View
A
Retailer 15
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£726 GBP
View
B+
Retailer 16
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£986 GBP
View
B+
Retailer 17
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£993 GBP
View
B+
Retailer 18
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£1,025 GBP
View
B+
Retailer 19
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£1,167 GBP
View
B+
Retailer 20
-
£1,206 GBP
View
B+
Retailer 21
-
£1,238 GBP
View
Retailer 22
-
£1,281 GBP
View
Price last confirmed 30 days ago
Retailer 23
-
£1,719 GBP
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
18441255A · Nov 3
£2,089 GBP
$2,820 USD
View
23 more retailers have this diamond
Prices start from £249 GBPSave up to £1,840 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
£249 GBP