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Round|Lab Grown|IGI

1.52ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG783628057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783628057

Diamond specifications and retailer prices

From £310 GBP
As of November 3, 2026
Save £1,128 GBP (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,107 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 LG783628057 or 783628057. Listed at 23 retailers as of November 3, 2026, with a 364% 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 angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783628057
Dimensions7.33 × 7.31 × 4.58 mm
L/W Ratio1.00
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
7.33 mm7.31 mm1.52 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783628057
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £490 GBP|Low: £297 GBP|High: £1,457 GBP|Avg: £744 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 3£310 GBP
Retailer 4£384 GBP
Retailer 1£490 GBP
Retailer 12£493 GBP
Retailer 5£515 GBP
Retailer 13£610 GBP
Retailer 6£624 GBP
Retailer 7£636 GBP
Retailer 8£662 GBP
Retailer 11£894 GBP
Retailer 2£1,077 GBP
Retailer 10£1,339 GBP
Retailer 9£1,410 GBP

40 data points across 13 retailers

23 retailers£310 GBP to £1,438 GBP

A
Cheapest Retailer
-
£310 GBP
A
Retailer 2
-
£347 GBP
View
Final sale: no returns
A
Retailer 3
-
£347 GBP
View
Retailer 4
-
£384 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£384 GBP
View
A
Retailer 6
-
£490 GBP
View
A
Retailer 7
-
£493 GBP
View
A
Retailer 8
-
£515 GBP
View
A
Retailer 9
-
£563 GBP
View
A
Retailer 10
-
£610 GBP
View
A
Retailer 11
-
£624 GBP
View
A
Retailer 12
-
£636 GBP
View
A
Retailer 13
-
£662 GBP
View
A
Retailer 14
-
£746 GBP
View
B+
Retailer 15
-
£894 GBP
View
B+
Retailer 16
-
£1,077 GBP
View
B+
Retailer 17
-
£1,234 GBP
View
B
Retailer 18
-
£1,259 GBP
View
B
Retailer 19
-
£1,339 GBP
View
B
Retailer 20
-
£1,399 GBP
View
B+
Retailer 21
-
£1,410 GBP
View
B
Retailer 22
-
£1,438 GBP
View
Most Expensive
Queensmith
LG783628057 · Oct 27
£2,107 GBP
View
Price last confirmed 8 days ago
22 more retailers have this diamond
Prices start from £310 GBPSave up to £1,128 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
£310 GBP